CN1815299A - Combined spectacle lens, auxiliary lens, and method of edging lenses - Google Patents
Combined spectacle lens, auxiliary lens, and method of edging lenses Download PDFInfo
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- CN1815299A CN1815299A CN 200610003705 CN200610003705A CN1815299A CN 1815299 A CN1815299 A CN 1815299A CN 200610003705 CN200610003705 CN 200610003705 CN 200610003705 A CN200610003705 A CN 200610003705A CN 1815299 A CN1815299 A CN 1815299A
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Abstract
Provided are combined spectacle lens, auxiliary lens, and method of edging lenses. The invention provides a combined spectacle lens such that a design type etc., of a progressive refracting power lens can easily be changed, and a lens processing method in which an auxiliary lens used therefor and the combined spectacle lens can be both processed into the same external shape. A combined spectacle lens 1 of a design type different from a basic lens 2 is constituted by combining the basic lens 2 which has a progressive-refracting surface and the auxiliary lens 3 having refracting power which varies the progressive zone length, addition refracting power, etc., of the basic lens 2. The basic lens 2 and auxiliary lens 3 are provided with alignment marks 25 and 35 to accurately be disposed. The basic lens 2 and auxiliary lens 3 are stuck together and both processed into a lens.
Description
Technical field
The present invention relates generally to has vision correction that presbyopia person that adjusting power weakens uses with the combined eyeglasses eyeglass of progressive-power and the auxiliary lens that uses and the method for edging that is suitable for the combined eyeglasses eyeglass in this combined eyeglasses eyeglass.
Background technology
The vision correction eyeglass that the presbyopia person that the progressive-power eyeglass mainly weakens as adjusting power uses, be the eyeglass number of degrees on the eyeglass from observing a long way off or the needed number of degrees needed number of degrees continually varying eyeglass when observing the nearby during object of intermediate distance, do not have the separatrix, and good fashion is arranged.
It is that the number of degrees difference of progressive belt length and progressive portion promptly adds the number of degrees that the optical characteristics of progressive-power eyeglass depends on substantially according to the distance of the progressive portion of number of degrees continually varying on principal meridian.By in the design of purposes, for example have so-called far and near type by following design, that is: balance disposes the use visual field and nearly both sides with the visual field far away well, and progressive belt length is set at about 10～16mm, and the eye of nearly side's apparent time is rotated easily.And, have the zone line of attention before and after 1m plesiotype to nearby the visual field so-called, particularly pay attention to the so-called plesiotype in the visual field nearby, plesiotype or closely in the plesiotype in this, for the wide visual field of apparent time in the middle of realizing, progressive belt length design is grown into about 19～25mm.In a kind of design, can not obtain optical characteristics so simultaneously to different purposes the bests.
When going out, pay attention to the far and near type that a distant place is looked by using, can obtain the comfortable visual field.When carrying out desktop work or when carrying out work,, can obtaining the comfortable visual field by plesiotype in using or nearly plesiotype indoor.If when going out and indoor, either way will obtain the comfortable visual field when carrying out work, then must prepare far and near type eyeglass and middle plesiotype eyeglass, respectively its frame is gone in the spectacle-frame.
Yet, in this case, must buy the eyeglass of different designs, and buy spectacle-frame at each eyeglass, need a large amount of expenses.Therefore, if can make up the kind of design that changes the progressive-power eyeglass easily, then will be very easily by making eyeglass.
In addition, it is known making the technology of 2 eyeglass combinations, shown in following patent documentation 1,2, the front hanging type glasses that can pair of glasses be installed freely in dismounting such as using clip (clip) mechanism as the front of the common eyeglass of basic eyeglass are known.
And, in following patent documentation 3, propose: uses 2 progressive-power eyeglasses, the gradual change of a side refractive power is offset or alleviated with the opposing party improve aberration, improve the visual field.Yet, be simple single-focusing diopter, not the optimal design of using for different purposes.
[patent documentation 1] TOHKEMY 2003-315751 number
The practical new case of [patent documentation 2] Japan is logined No. 3030336
No. the 2519921st, [patent documentation 3] Japan special permission
Summary of the invention
The present invention is In view of the foregoing and proposes, and the 1st purpose of the present invention provides the combined eyeglasses eyeglass of kind of design etc. that can easy change progressive-power eyeglass.
The pair of glasses of using in aforementioned front hanging type glasses is to carry out the sunglasses of light modulation or polarisation or single focus lens that the presbyopia uses, to be installed on the existing eyeglass be purpose because with additional, thereby not needing the coincidence positional precision of two eyeglasses so, the coincidence position of two eyeglasses can be suitable.By contrast, in the combined eyeglasses eyeglass of kind of design that can easy change progressive-power eyeglass etc., with front hanging type glasses fundamental difference, because basic eyeglass and auxiliary lens all have progressive refractive surface, thereby while actually employed, if these eyeglasses do not overlap in accurate position, then the optical property that can not obtain to stipulate.
The present invention is In view of the foregoing and proposes, the 2nd purpose of the present invention provide can make by basic eyeglass with progressive-power and have the basic eyeglass of the combined eyeglasses eyeglass that the auxiliary lens of refractive power of the kind of design etc. of convertible this basic eyeglass constitutes and auxiliary lens at the combined eyeglasses eyeglass of accurate position grouping.
And, the 3rd purpose of the present invention provide can with the auxiliary lens of kind of design of the basic eyeglass of the incompatible easy change of basic lens set etc.
Might be because of eyeglass being processed into the assembly error of the edging processing that is accommodated in the outer shape in the spectacle-frame when basic eyeglass and auxiliary lens assembling taking place using, and might can not guarantee assembly precision because of the edging machining precision.
The present invention is In view of the foregoing and proposes, and the 4th purpose of the present invention provides the method for edging of combined eyeglasses eyeglass that can guarantee by the basic eyeglass with progressive-power and have the assembly precision of the combined eyeglasses eyeglass that the auxiliary lens of refractive power of the kind of design etc. of convertible this basic eyeglass constitutes.
In order to reach above-mentioned the 1st purpose, the present invention the 1st provides a kind of combined eyeglasses eyeglass, basic eyeglass and auxiliary lens are combined, this basic eyeglass has progressive refractive surface on any one refractive surface or the two sides of object side and eyeball side, this progressive refractive surface has: the 1st dioptric portion, and it has the refractive power that is used to observe at the object at predetermined distance place; The 2nd dioptric portion, it has the different refractive power with the 1st dioptric portion; And progressive portion, its refractive power from aforementioned the 1st dioptric portion to aforementioned the 2nd dioptric portion gradual change; It is characterized in that the basic eyeglass refractive power that aforementioned basic eyeglass is had is partly or entirely different with aforementioned basic eyeglass refractive power with the synthetic synthetic refractive power that obtains of auxiliary lens refractive power that aforementioned auxiliary lens has.
Have with the refractive power of the adding number of degrees of basic eyeglass and progressive belt length etc. the partly or entirely auxiliary lens and basic eyeglass combination of the refractive power of change kind of design that can the basic eyeglass of easy change etc. by making.
The present invention the 2nd provides a kind of combined eyeglasses eyeglass, in the above-mentioned the 1st combined eyeglasses eyeglass, it is characterized in that any one in the progressive starting point in the aforementioned combined eyeglasses eyeglass and the progressive end point or two aforementioned synthetic refractive power are different with aforementioned basic eyeglass refractive power.
Synthetic refractive power by making the combined eyeglasses eyeglass after auxiliary lens and the combination of basic eyeglass is any different with basic eyeglass refractive power more than 1 progressive starting point and progressive end point, and is variable according to the kind of design that adds the progressive-power eyeglass that the number of degrees and progressive belt length roughly determine.
The present invention the 3rd provides a kind of combined eyeglasses eyeglass, in the above-mentioned the 2nd combined eyeglasses eyeglass, it is characterized in that, it is different with the basic eyeglass adding number of degrees that aforementioned basic eyeglass has that the combined lens in the aforementioned combined eyeglasses eyeglass adds the number of degrees.
Different by the adding number of degrees (the combined lens adding number of degrees) that make the combined eyeglasses eyeglass after auxiliary lens and the combination of basic eyeglass, variable according to the kind of design that adds the progressive-power eyeglass that the number of degrees and progressive belt length roughly determine with the adding number of degrees (basic eyeglass adds the number of degrees) of basic eyeglass.
The present invention the 4th provides a kind of combined eyeglasses eyeglass, and in the above-mentioned the 1st combined eyeglasses eyeglass, the refractive surface of the eyeball side of aforementioned basic eyeglass has the aforementioned progressive refractive surface, and the refractive surface of auxiliary lens side forms sphere or double-curved surface; The refractive surface of the basic eyeglass side of aforementioned auxiliary lens forms roughly the same sphere or the double-curved surface of refractive surface with the auxiliary lens side of aforementioned basic eyeglass.
The object side refractive surface by making basic eyeglass and basic eyeglass side (eyeball side) refractive surface of auxiliary lens all form identical sphere or double-curved surface, can be when this basic eyeglass of combination and auxiliary lens, two eyeglasses are combined closely, can carry out good the synthesizing of optical characteristics precision.
In order to reach above-mentioned the 2nd purpose, the present invention the 5th provides a kind of combined eyeglasses eyeglass, by basic eyeglass and auxiliary lens combination are formed, this basic eyeglass has progressive refractive surface on any one refractive surface or the two sides of object side and eyeball side, this auxiliary lens has to be made with aforementioned basic eyeglass combination and the part or all of different refractive power of basic eyeglass refractive power that synthetic synthetic refractive power and aforementioned basic eyeglass have, it is characterized in that, be provided with the 1st alignment mark of expression design basis position and prescribed direction at least at 2 positions of any one refractive surface of aforementioned basic eyeglass, be provided with the 2nd alignment mark of expression previous designs reference position and prescribed direction at least at 2 positions of any one refractive surface of aforementioned auxiliary lens.
By the alignment mark of expression design basis position and prescribed direction is set on the both sides of basic eyeglass and auxiliary lens, can be that benchmark makes basic eyeglass and auxiliary lens at accurate position grouping with these alignment marks.
The present invention the 6th provides a kind of combined eyeglasses eyeglass, in the above-mentioned the 5th combined eyeglasses eyeglass, it is characterized in that, aforementioned the 1st alignment mark is arranged on the position of expression assembling point and horizontal direction.
Must on the progressive-power eyeglass, enclose the alignment fiducials mark of expression assembling point and horizontal direction.Therefore, utilizing this alignment fiducials mark is effective as the 1st alignment mark that is arranged on the basic eyeglass.
The present invention the 7th provides a kind of combined eyeglasses eyeglass, in the above-mentioned the 5th combined eyeglasses eyeglass, it is characterized in that, aforementioned the 2nd alignment mark is arranged on the position separately that overlaps with aforementioned the 1st alignment mark.
By the 1st alignment mark and the 2nd alignment mark are arranged on the position that overlaps, can when basic eyeglass of combination and auxiliary lens, recognize these alignment marks coincidences by looking, confirm to make accurate consistent combination the in position easily.
In order to reach above-mentioned the 3rd purpose, the present invention the 8th provides a kind of auxiliary lens, basic eyeglass combination with having progressive refractive surface is characterized in that, has the zone that does not have refractive power in any up and down one or both sides of the main line of regard consistent with the principal meridian of aforementioned basic eyeglass.
Any one party in eyeglass top refractive power and the eyeglass below refractive power or both sides' refractive power must not changed in the basic visual field of not changing basic eyeglass in order to use auxiliary lens change kind of design.Therefore, in auxiliary lens, must have the zone that any one party up and down or both sides at main line of regard do not have refractive power.
The present invention the 9th provides a kind of auxiliary lens, in the above-mentioned the 8th auxiliary lens, it is characterized in that also having pars intermedia refractive power at aforementioned main line of regard and be very big or minimum zone or in the zone of any up and down lateroflexion luminous power constant of aforementioned main line of regard.
For the progressive belt length that makes basic eyeglass changes, must progressive starting point of change or progressive end point, therefore as the refractive power of auxiliary lens, must have near the progressive starting point of basic eyeglass or progressive end point and be very big or minimum refractive power.And, under the situation of the adding number of degrees that only change basic eyeglass, must have in the corresponding constant zone of the part number of degrees, number of degrees change zone auxiliary lens and basic eyeglass.
In order to reach above-mentioned the 4th purpose, the present invention the 10th provides a kind of method of edging of combined eyeglasses eyeglass, it is characterized in that, have: positioning process makes the basic eyeglass that is installed on the spectacle-frame and is positioned on the relative position of regulation with the mutual refractive surface of the auxiliary lens of this basic eyeglass combination; Engage operation, the aforementioned basic eyeglass and the aforementioned auxiliary lens of being located are fitted; Edging operation under the state that aforementioned basic eyeglass and aforementioned auxiliary lens are fitted, is carried out the edging processing of aforementioned basic eyeglass and aforementioned auxiliary lens; And stripping process, aforementioned basic eyeglass and aforementioned auxiliary lens are peeled off.
If basic eyeglass and auxiliary lens are carried out edging processing respectively, then when with the profile being benchmark when making up, edging mismachining tolerance addition that might be separately and can not guarantee the block position precision of basic eyeglass and auxiliary lens.By contrast, according under the state that basic eyeglass and auxiliary lens are fitted both sides being carried out the edging method for processing, the edging mismachining tolerance can addition, when with the profile being benchmark when making up, can guarantee assembly precision.
The present invention the 11st provides a kind of method of edging of combined eyeglasses eyeglass, in the method for edging of combined eyeglasses eyeglass the above-mentioned the 10th, it is characterized in that, in aforementioned positioning process, be positioned to, the 2nd alignment mark that is arranged on the aforementioned auxiliary lens and the 1st alignment mark that is arranged on the aforementioned basic eyeglass are coincide.
By the alignment mark of location usefulness is set in the each side of basic eyeglass and auxiliary lens, can be the position consistency that benchmark makes two eyeglasses exactly with these alignment marks.
The present invention the 12nd provides a kind of method of edging of combined eyeglasses eyeglass, in the method for edging of combined eyeglasses eyeglass the above-mentioned the 10th, it is characterized in that, aforementioned basic eyeglass has progressive refractive surface on any one refractive surface or the two sides of object side and eyeball side, this progressive refractive surface has: the 1st dioptric portion, and it has the refractive power that is used to observe at the object at predetermined distance place; The 2nd dioptric portion, it has the different refractive power with the 1st dioptric portion; And progressive portion, its refractive power from aforementioned the 1st dioptric portion to aforementioned the 2nd dioptric portion gradual change; Make the synthetic synthetic refractive power that obtains of aforementioned auxiliary lens refractive power and aforementioned basic eyeglass refractive power partly or entirely different with the basic eyeglass refractive power that aforementioned basic eyeglass has.
In this combined eyeglasses eyeglass that inventor of the present invention proposes, need good assembly precision, it is effective adopting method of edging of the present invention.
The present invention the 13rd provides a kind of method of edging of combined eyeglasses eyeglass, in the method for edging of combined eyeglasses eyeglass the above-mentioned the 12nd, it is characterized in that, the refractive surface of the eyeball side of aforementioned basic eyeglass has the aforementioned progressive refractive surface, and the refractive surface of auxiliary lens side forms sphere or double-curved surface; The refractive surface of the basic eyeglass side of aforementioned auxiliary lens forms roughly the same sphere or the double-curved surface of refractive surface with the object side of aforementioned basic eyeglass.
Like this, the refractive surface of the basic eyeglass side (eyeball side) of auxiliary lens is fitted with the refractive surface fluid-tight engagement ground of the auxiliary lens side (object side) of basic eyeglass.
Description of drawings
Fig. 1 is the stereographic map that combined eyeglasses eyeglass of the present invention is shown.
Fig. 2 is the sectional view of combined eyeglasses eyeglass of the present invention.
Fig. 3 is the concept map that the bands of a spectrum differentiation of basic eyeglass is shown.
Fig. 4 is the concept map that the kind of design to the progressive-power eyeglass describes.
Fig. 5 (a)～(c) is the curve map that basic eyeglass that embodiment 1 is shown, auxiliary lens, the combined eyeglasses eyeglass refractive power on principal meridian separately changes.
Fig. 6 is the curve map that basic eyeglass that embodiment 2 is shown, auxiliary lens, the combined eyeglasses eyeglass refractive power on principal meridian separately changes.
Fig. 7 is the curve map that basic eyeglass that embodiment 3 is shown, auxiliary lens, the combined eyeglasses eyeglass refractive power on principal meridian separately changes.
Fig. 8 is the front elevation that the example that is arranged on the alignment mark on basic eyeglass and the auxiliary lens is shown.
Fig. 9 is the front elevation of combination that the alignment mark of combined eyeglasses eyeglass is shown.
Figure 10 is the sectional view of eyeglass that the joint operation of method of edging of the present invention is shown.
Figure 11 is the front elevation of the eyeglass that describes of the operation to method of edging of the present invention.
Symbol description
1: the combined eyeglasses eyeglass; 2: basic eyeglass; 3: auxiliary lens; 21: principal meridian; 31: main line of regard; 22: eyeball side refractive surface; 23: the object side refractive surface; 32: eyeball side refractive surface; 33: the object side refractive surface; 201: the 1 dioptric portions; 202: the 2 dioptric portions; 203: progressive portion; 25: the 1 alignment marks (alignment fiducials mark); 35: the 2 alignment marks (alignment mark); RP: design basis position
Embodiment
Below, the embodiment of the method for edging of combined eyeglasses eyeglass of the present invention and auxiliary lens and combined eyeglasses eyeglass is described, yet the invention is not restricted to following embodiment.
Shown in the stereographic map of Fig. 1, combined eyeglasses eyeglass 1 of the present invention has: as the basic eyeglass 2 of progressive-power eyeglass; Auxiliary lens 3, its only with the purposes of basic eyeglass 2 combinations in use, have the refractive power of the kind of design etc. of the basic eyeglass 2 of conversion.Basic eyeglass 2 and auxiliary lens 3 use by making up, so that main line of regard 31 unanimities of the principal meridian 21 of basic eyeglass 2 and the auxiliary lens 3 consistent with this principal meridian 21, and make the optical axis OA of basic eyeglass 2 and auxiliary lens 3 consistent.
Shown in the sectional view of the combined eyeglasses eyeglass 1 of Fig. 2, as array configuration, can be configured in the eyeball side to basic eyeglass 2, auxiliary lens 3 is configured in object side.In addition, also can be configured in object side to basic eyeglass 2, auxiliary lens 3 is configured in the eyeball side.The progressive refractive surface of basic eyeglass 2 can be arranged on any one party in eyeball side refractive surface 22 and the object side refractive surface 23, and, can be arranged on the two sides.In auxiliary lens 3, can provide the refractive power of the part or all of change of refractive power (basic eyeglass refractive power) that makes basic eyeglass 2 to any one party in eyeball side refractive surface 32 and the object side refractive surface 33.
For basic eyeglass 2 and auxiliary lens 3 fluid-tight engagement ground is made up, preferably, on the eyeball side refractive surface 22 of basic eyeglass 2, progressive refractive surface is set, and object side refractive surface 23 is formed sphere or double-curved surface.On the other hand, preferably, auxiliary lens 3 forms sphere or double-curved surface with the roughly the same curved surface of the object side refractive surface 23 of basic eyeglass 2 to eyeball side refractive surface 32, and the refractive power of the refractive power change that makes basic eyeglass 2 is provided to object side refractive surface 33.When this basic eyeglass 2 being configured in the eyeball side, auxiliary lens 3 being configured in object side when making up, the object side refractive surface 23 of basic eyeglass 2 and eyeball side refractive surface 32 fluid-tight engagement of auxiliary lens 3, the installment state of auxiliary lens 3 is stable, two eyeglasses 2,3 are difficult to skew, positional precision improves, but the synthetic well optical characteristics of stipulating of precision.
The basic eyeglass 2 that uses in combined eyeglasses eyeglass 1 is common progressive-power eyeglasses.Shown in the plane concept map of Fig. 3, progressive-power eyeglass 2 is the eyeglasses with progressive refractive surface, this progressive refractive surface is divided into: the 1st dioptric portion 201, and it has needed refractive power when the object of observing at predetermined distance (for example a distant place or intermediate distance); The 2nd dioptric portion 202, it has the refractive power different with the 1st dioptric portion 201, for example needed refractive power when observing nearby; And progressive 203, its refractive power changes between the 1st dioptric portion 201 and the 2nd dioptric portion 202 continuously.
Fig. 4 illustrates the example by the power profile of the kind of design of purposes in the progressive-power eyeglass.Refractive power shown in Figure 4 is the refractive power on the principal meridian.In so-called far and near type progressive-power eyeglass, have: the portion that uses far away that is used to observe distant objects of eyeglass top; The nearly portion that uses that is used to observe near objects of eyeglass below; And progressive portion, its refractive power from above progressive starting point to below progressive end point gradual change.Be performed as follows design: balance disposes the both sides of usefulness portion far away and nearly usefulness portion well, being that progressive belt length is set at about 10～16mm from progressive starting point to the distance the progressive end point, makes the eye rotation of nearly side's apparent time easy.The difference of the refractive power of progressive starting point and progressive end point is called as the adding number of degrees.The assembling point is generally with far away consistent with center (being progressive starting point).
Plesiotype progressive-power eyeglass has in so-called: the portion that uses far away that is used to observe distant objects of eyeglass upper end; Being used to of eyeglass below observed the nearly portion that uses in zone of the ratio broad of near objects; And progressive portion, its refractive power far away with portion with closely use gradual change between the portion.It is about 19～25mm that progressive belt length is designed to grow up, the wide visual field of apparent time in the middle of being used to realize.Assembling point generally is positioned at observation on progressive of the object of 1m longitudinal separation.
In so-called plesiotype progressive-power eyeglass, have: eyeglass top be used to observe pars intermedia at the object of intermediate distance; Being used to of eyeglass below observed the nearly portion that uses in zone of the ratio broad of near objects; And progressive portion, its refractive power far away with portion with closely use gradual change between the portion.It is about 19～25mm that progressive belt length is designed to grow up, the wide visual field of apparent time in the middle of being used to realize.
And, in the distribution design of distorton aberration and astigmatic image error, can roughly be divided into: the aberration concentrated, it makes far away with portion with closely broaden with portion, makes aberration concentrate on narrow progressive portion; And the aberration decentralized, it makes far away with portion with closely narrow down with portion, and progressive portion is broadened, and makes the aberration diffusion of pars intermedia.Progressive-power eyeglass as basic eyeglass 2 can be any kind of design.
The refractive power of auxiliary lens 3 (auxiliary lens refractive power) must be by following setting: the refractive power that the synthetic synthetic refractive power that obtains of the basic eyeglass refractive power that has with basic eyeglass 2 is become will carry out the combined eyeglasses eyeglass 1 that conversion obtains.That is, become basic eyeglass 2 at the refractive power of assigned position with will carry out poor at the refractive power of the position corresponding of combined eyeglasses eyeglass 1 that conversion obtains with the assigned position of basic eyeglass 2.Below, embodiment 1～3 is shown, the refractive power of auxiliary lens 3 is specifically described.
Fig. 5 illustrates as embodiment 1, make basic eyeglass of far and near type and auxiliary lens combine that (for auxiliary lens is main line of regard in separately principal meridian for the basic eyeglass under the situation of middle plesiotype combined eyeglasses eyeglass, auxiliary lens and combined eyeglasses eyeglass, yet it is because consistent with principal meridian, thereby below, for simplicity, be called principal meridian) on the curve map that changes of refractive power.The position digital of transverse axis on principal meridian is that zero position is the position of assembling point.The refractive power unit of the longitudinal axis is diopter (D), the changing value of expression refractive power.
Fig. 5 (a) illustrates the curve map that the refractive power of basic eyeglass on principal meridian changes.The refractive power of basic eyeglass on principal meridian changes as follows: begin far carrying out the adding of the number of degrees with the number of degrees from the assembling point, what the 12mm place reached expectation below assembling closely uses the number of degrees.Basic eyeglass is that progressive belt length is that 12mm, the adding number of degrees (basic eyeglass adds the number of degrees) are 2.0 dioptric far and near type progressive-power eyeglasses.
Fig. 5 (c) illustrates the curve map that the refractive power of auxiliary lens and the refractive power of the synthetic middle plesiotype combined eyeglasses eyeglass that is obtained of the refractive power of basic eyeglass on principal meridian are changed.The refractive power of combined eyeglasses eyeglass on principal meridian changes as follows: begin far carrying out the adding of the number of degrees with the number of degrees from the top 8mm of assembling point, what the 12mm place reached expectation below assembling closely uses the number of degrees.The position of progressive starting point 8mm above the assembling point, the position of progressive end point 12mm below the assembling point, progressive belt length is 20mm.Become at the refractive power of the position of assembling point observation at the object of intermediate distance.The not change of the basic eyeglass and the adding number of degrees and progressive end point.In the conversion of using auxiliary lens, must make progressive starting point be moved upward 8mm.
Fig. 5 (b) illustrates the curve map that the refractive power of auxiliary lens on principal meridian changes.Be that the refractive power shown in the A of the refractive power shown in the C of Fig. 5 (c) and Fig. 5 (a) is poor at the refractive power of correspondence position by the additional refractive power of auxiliary lens, i.e. refractive power shown in the B of Fig. 5 (b).The refractive power of auxiliary lens on principal meridian changes as follows: the top 8mm that promptly assembles a little to the progressive starting point of combined eyeglasses eyeglass from the upper end is that refractive power is zero zone, increase from the top 8mm refractive power of assembling point, 2mm place refractive power is maximum below the assembling point, the progressive end point refractive power of 12mm is zero once more below the assembling point, and the below of progressive end point is that refractive power is zero zone.
The basic eyeglass that makes the refractive power that has Fig. 5 shown in (a) change the far and near type progressive-power eyeglass of A is to have the middle plesiotype progressive-power eyeglass that the synthetic refractive power shown in Fig. 5 (c) changes C with the combined eyeglasses eyeglass that the auxiliary lens combination with the refractive power variation B shown in Fig. 5 (b) obtains.
The combination of this basic eyeglass and auxiliary lens when being considered as main going out of using with a distant place, by only using the basic eyeglass of far and near type, can obtain the comfortable visual field.When indoor when carrying out work, if on basic eyeglass auxiliary lens is being installed, the combined eyeglasses eyeglass that is then obtained is middle plesiotype, can obtain the comfortable visual field in desktop work.
Fig. 6 illustrates as embodiment 2, and basic eyeglass of plesiotype and auxiliary lens combine the curve map that changes into the basic eyeglass under the situation of far and near type combined eyeglasses eyeglass, auxiliary lens and the combined eyeglasses eyeglass refractive power on principal meridian separately in making.Position digital on the principal meridian is that zero position is the position of assembling point.The refractive power unit of the longitudinal axis is a diopter, the changing value of expression refractive power.
The refractive power of basic eyeglass on principal meridian changes to be represented by dot-and-dash line A, and the refractive power of auxiliary lens on principal meridian changes to be represented by dotted line B, and the refractive power of combined eyeglasses eyeglass on principal meridian changes to be represented by solid line C.The refractive power of the auxiliary lens of being represented by dotted line B is that the position on identical principal meridian deducts the refractive power of the combined eyeglasses eyeglass of being represented by solid line C and the value that obtains from the refractive power of the basic eyeglass represented by dot-and-dash line A.
Basic eyeglass be progressive starting point the position of 10mm above the assembling point, progressive end point 14mm, progressive belt length below the assembling point be 24mm, basic eyeglass add the number of degrees be 2.0 dioptric in plesiotype.
The top of auxiliary lens is that refractive power is zero zone, beginning to light negative refractive power from basic eyeglass progressive increases, the 2mm place has minimum refractive power below the assembling point, and, near the position suitable, have maximum refractive power, below the progressive end point of basic eyeglass, have-0.5 dioptric constant refractive power with the progressive end point of combined eyeglasses eyeglass.
For the synthetic refractive power that makes the synthetic combined eyeglasses eyeglass that obtains of this basic eyeglass refractive power and auxiliary lens refractive power, progressive starting point is the assembling point, progressive end point is the 12mm place, below of assembling point, and progressive belt length is 12mm, and adding the number of degrees (the combined lens adding number of degrees) is 1.5 diopters.In this embodiment, the progressive starting point of basic eyeglass, progressive end point and the adding number of degrees change according to auxiliary lens.
In embodiment 2, making the basic eyeglass of the middle plesiotype progressive-power eyeglass with refractive power variation A shown in Figure 6 and the combined eyeglasses eyeglass that the auxiliary lens combination with refractive power variation B obtains is to have the far and near type progressive-power eyeglass that synthetic refractive power changes C.
When indoor when carrying out work, the basic eyeglass of plesiotype just can obtain the comfortable visual field in the desktop work during the combination of this basic eyeglass and auxiliary lens was only used.When going out, by being installed, auxiliary lens becomes far and near type combined eyeglasses eyeglass, except adding number of degrees minimizing, can also obtain the comfortable visual field.
Fig. 7 illustrates as embodiment 3, and basic eyeglass of plesiotype and auxiliary lens combine the curve map that changes into the basic eyeglass under the situation of far and near type combined eyeglasses eyeglass, auxiliary lens and the combined eyeglasses eyeglass refractive power on principal meridian separately in making.Position digital on the principal meridian is that zero position is the position of assembling point.The refractive power unit of the longitudinal axis is a diopter, the changing value of expression refractive power.
In Fig. 7, the refractive power of basic eyeglass on principal meridian changes to be represented by dot-and-dash line A, and the refractive power of auxiliary lens on principal meridian changes to be represented by dotted line B, and the refractive power of combined eyeglasses eyeglass on principal meridian changes to be represented by solid line C.The refractive power of the auxiliary lens of being represented by dotted line B is that the position on identical principal meridian deducts the refractive power of the combined eyeglasses eyeglass of being represented by solid line C and the value that obtains from the refractive power of the basic eyeglass represented by dot-and-dash line A.
The refractive power of basic eyeglass on principal meridian changes as follows: begin far carrying out the adding of the number of degrees with the number of degrees from the top 8mm of assembling point, what the 12mm place reached expectation below assembling closely uses the number of degrees.The refractive power of auxiliary lens on principal meridian changes as follows: the top 8mm that puts to assembling from the upper end is that refractive power is zero zone, reduce from the top 8mm refractive power of assembling point, the 2mm place becomes negative peak below the assembling point, increase then, the 12mm place is zero once more below the assembling point, is later on that refractive power is zero zone.Make the refractive power of combined eyeglasses eyeglass on principal meridian after the combination of this basic eyeglass and auxiliary lens change as follows: begin to carry out the adding of the number of degrees from the assembling point, the 12mm place reaches regulation and closely uses the number of degrees below the assembling point.
Progressive belt length 20mm by basic eyeglass, add the number of degrees 2.0 dioptric in refractive power synthetic of plesiotype progressive-power eyeglasses and auxiliary lens, the combined eyeglasses eyeglass is transformed into progressive belt length 12mm, the adding number of degrees 2.0 dioptric far and near type progressive-power eyeglasses.
When indoor when carrying out work, the basic eyeglass of plesiotype just can obtain the comfortable visual field in the desktop work in only using.When going out, by being installed, auxiliary lens becomes far and near type combined eyeglasses eyeglass, can obtain the comfortable visual field.
Like this, preferably, auxiliary lens is not all but partly changes the refractive power of basic eyeglass, and, under the situation of shift design type, the refractive power of at least any one party up and down that has at the main line of regard consistent with the principal meridian of basic eyeglass is zero zone.And when change progressive starting point of basic eyeglass or progressive end point, auxiliary lens has refractive power at the pars intermedia of main line of regard and is maximum or minimum part.Yet when only changing the adding number of degrees of basic eyeglass, it does not have the minimax part, exists in any one party up and down of main line of regard to have the part of constant refractive power.
Because auxiliary lens has the function of only replenishing the refractive power of basic eyeglass, thereby there is no need to have big refractive power variation.The shape of the refractive surface of the refractive power of the auxiliary lens shown in realization the foregoing description is ± 0.2mm to become the shape of constant thickness at approximate spherical shape.Therefore, can make the auxiliary lens attenuation.But because attenuation, thereby can make auxiliary lens become fit type.Owing to can make the auxiliary lens attenuation, even thereby with basic eyeglass combination, weight can not increase much yet, can't harm wearing comfort, aesthetic property is also good.
But because the auxiliary lens attenuation in the combined eyeglasses eyeglass of the present invention, thereby function by dyeing to add sunglasses, perhaps use light control material or polarisation material, can make it convenient more at the outdoor through performance that is used for changing refractive power and light.
Because combined eyeglasses eyeglass of the present invention is by making up the kind of design of the basic eyeglass of conversion easily with auxiliary lens, thereby as long as prepare several auxiliary lens, change auxiliary lens or do not use auxiliary lens and only use the using method of basic eyeglass with regard to adopting, do not buy spectacle-frame and the comfortable visual field that obtains cheapness and conform according to the environment that uses eyeglass.
And, increase the weight of and be necessary to change far away with portion or closely use under the situation of the number of degrees of portion at the people's of wearing spectacles the eye number of degrees, need not to change the kind of design of basic eyeglass and only need to buy only change far away with the number of degrees or closely be installed on the basic eyeglass with the auxiliary lens of the number of degrees and get final product.Only need the new auxiliary lens of buying to get final product owing to do not buy eyeglass in addition, thereby can continue to guarantee the cheap comfortable visual field according to the number of degrees development of eye.
As the using method of combined eyeglasses eyeglass 1 of the present invention, preferably, basic eyeglass 2 is embedded in the spectacle-frame as common progressive-power eyeglass, and auxiliary lens 3 dismounting are installed on the basic eyeglass 2 freely.In use, combined eyeglasses eyeglass of the present invention 1 is because basic eyeglass 2 and auxiliary lens 3 all have progressive refractive surface, if thereby the both sides of basic eyeglass 2 and auxiliary lens 3 do not overlap and use, the optical property that can not obtain to expect then in accurate position.When the mutual alignment is offset,, can not obtain the comfortable visual field owing to auxiliary lens 3 makes the optical property of basic eyeglass 2 impaired.
Therefore, in combined eyeglasses eyeglass 1 of the present invention, preferably, the 1st alignment mark of location usefulness is set at least at 2 positions of any one refractive surface of basic eyeglass 2, and the 2nd alignment mark of location usefulness is set at 2 positions of any one refractive surface of auxiliary lens 3 at least.The 1st alignment mark of basic eyeglass 2 forms expression design basis position and prescribed direction, and the 2nd alignment mark forms expression this design basis position and prescribed direction.In combined eyeglasses eyeglass 1 of the present invention, be that benchmark makes basic eyeglass 2 and auxiliary lens 3 combinations, the mutual alignment precision after can guaranteeing to make up with the position separately of the 1st alignment mark and the 2nd alignment mark.
Fig. 8 (a) is illustrated in the planimetric map that the example of the 1st alignment mark 25 is set on the basic eyeglass 2 with far and near type progressive-power.Fig. 8 (b) is illustrated in to have the planimetric map that the example of the 2nd alignment mark 35 is set on the auxiliary lens 3 of refractive power of plesiotype in can being transformed into the progressive-power of this basic eyeglass 2.Fig. 9 is illustrated in to have to make this basic eyeglass 2 and auxiliary lens 3 overlap the planimetric map of the coincidence status of the 1st alignment mark 25 in the combined eyeglasses eyeglass 1 of progressive-power that the synthetic refractive power that obtains is middle plesiotype and the 2nd alignment mark 35.In Fig. 8 and Fig. 9, the aberration profile of each eyeglass is schematically shown by dotted line.
Shown in Fig. 8 (a), the progressive-power eyeglass of basic eyeglass 2 has above-below direction at least, in addition when adding degree of converging and make the 2nd dioptric portion to the nasal side displacement, and the left and right directions with nasal side and ear side.Auxiliary lens 3 with basic eyeglass 2 combinations shown in Fig. 8 (b), exists above-below direction and left and right directions equally.In addition, Fig. 8 and eyeglass shown in Figure 9 are the left eye eyeglasses, and the 2nd dioptric portion is to the nasal side displacement.Make up in order to make basic eyeglass 2 and auxiliary lens 3 be positioned at accurate position, must make alignment mark 25,35 expressions become the reference position of benchmark, and accurately represent prescribed direction.
In the present invention, the object side refractive surface 23 of basic eyeglass 2 or a side of eyeball side refractive surface 22 or at least 2 positions of both sides the 1st alignment mark 25 is set.By the 1st alignment mark 25 is set at 2 positions at least, can calculate the design basis position according to these positions, can represent to assemble a little position and prescribed direction, for example horizontal direction and/or vertical direction.Basic eyeglass 2 is common progressive-power eyeglasses, for the progressive-power eyeglass, and according to the regulation of ISO or JIS, the obligated alignment fiducials mark that is provided with.This alignment fiducials is marked at and is decided to be 2 positions that separate 34mm by horizontal range on the eyeglass.Because the alignment fiducials mark part that is configured to come into view, thereby for unshowy and form covert marks.As the 1st alignment mark 25 that is arranged on the basic eyeglass, it is rational using the alignment fiducials mark that must be provided with same as before.Yet, can be arranged with alignment fiducials mark branch.
2 the 1st alignment marks 25 shown in Fig. 8 (a) use the alignment fiducials mark same as before, and 2 S letters are clipped in the design basis position center and are arranged on the position that horizontal direction separates 34mm.As a rule, assembling point is identical with this design basis position, and (1mm～4mm) locate, this position is informed by manufacturer perhaps to be arranged on the predetermined distance of this design basis position vertical direction.Therefore, the user can know the assembling point according to the alignment fiducials mark.Because the alignment fiducials mark has the function of difference manufacturer or its product category mostly concurrently, thereby uses sometimes based on alphabetic(al) logos.In this embodiment, use the logos of expression manufacturer name, yet certainly be optional sign.The center of 2 the 1st alignment marks 25 is design basis position RP, and the line that connects the center of 2 the 1st alignment marks 25 is represented horizontal line, represents vertical direction with this horizontal line quadrature and by the line of design basis position RP.The assembling point can be learnt according to this design basis position and direction.
In the present invention, the object side refractive surface 33 of auxiliary lens 3 or a side of eyeball side refractive surface 32 or at least 2 positions of both sides the 2nd alignment mark 35 is set.In Fig. 8 (b), the 2nd alignment mark 35 has the center in identical with the 1st alignment mark 25 separately position and overlaps, and is arranged to surround the round wire of the size of the 1st alignment mark 25.That is, 2 round wire are clipped in the center to the design basis point and are arranged on the position that separates 34mm between the center of horizontal direction.In the heart mid point is design basis position RP in 2 the 2nd alignment marks 35, and the line that connects the center of 2 the 2nd alignment marks 35 is represented horizontal line, represents vertical direction with this horizontal line quadrature and by the line of design basis position RP.The assembling point is known with eyeglass is the same substantially.The 2nd alignment mark 35 just can be arranged on the position that it doesn't matter, position with the 1st alignment mark 25 as long as can represent the design basis position RP and the expression certain orientation (for example horizontal direction and/or vertical direction) of the auxiliary lens 3 corresponding with the design basis position RP of the 1st alignment mark 25 expressions.
As shown in Figure 9, when basic eyeglass 2 and auxiliary lens 3 when making mutual overlap consistent of design basis position RP with horizontal direction, basic eyeglass 2 and auxiliary lens 3 accurately make up, and become the middle plesiotype progressive-power eyeglass with desired synthetic refractive power of combined eyeglasses eyeglass 1.When under assembled state when face side is observed, the 2nd alignment mark 35 is configured to surround the 1st alignment mark 25, and the center as one man overlaps mutually.Recognize these alignment marks 25,35 coincidences by looking, can confirm easily position consistency is overlapped.In addition, 2 the 2nd alignment marks 35 of Fig. 8 and auxiliary lens 3 shown in Figure 9 are circular, although can not judge above-below direction according to the 2nd alignment mark 35, yet in auxiliary lens 3, various information are marked as covert marks, can easily judge above-below direction according to these covert marks, thereby not have disadvantage.
Preferably, the 1st alignment mark 25 and the 2nd alignment mark 35 are arranged on the face side of basic eyeglass 2 and auxiliary lens 3 fluid-tight engagement separately.For example, as shown in Figure 2, when auxiliary lens 3 was installed in the front of basic eyeglass 2, preferably, the 1st alignment mark 25 was arranged on the object side refractive surface 23 of basic eyeglass 2, and the 2nd alignment mark 35 is arranged on the eyeball side refractive surface 32 of auxiliary lens 3.In this case, because basic eyeglass 2 and auxiliary lens 3 fluid-tight engagement are made up, thereby preferably, on the eyeball side refractive surface 22 of basic eyeglass 2, progressive refractive surface is set, object side refractive surface 23 is formed sphere or double-curved surface.On the other hand, preferably, auxiliary lens 3 forms sphere or double-curved surface with the roughly the same curved surface of the object side refractive surface 23 of basic eyeglass 2 to eyeball side refractive surface 32, and the refractive power of the refractive power that changes basic eyeglass 2 is offered object side refractive surface 33.By the 1st alignment mark 25 and the 2nd alignment mark 35 are arranged on the face side that makes both sides' fluid-tight engagement, the phase mutual edge distance greatly shortens, can make between the center of alignment mark 25,35 accurately to overlap, basic eyeglass 2 and auxiliary lens 3 are accurately overlapped, and can confirm easily that both sides accurately overlap.
The 1st alignment mark 25 and the 2nd alignment mark 35 can use known labeling method to be provided with separately.For example, can be with in the inferior method any one, that is: when glass lens is carried out the casting mold polymerization method by being provided with from the mould transfer printing, use scribble method that diamond pen describes and the method for using laser rays to describe.In the where method in office, preferably, for unshowy and be arranged to covert marks.Covert marks is usually invisible but lifts and shining the thin mark that does not hinder the visual field that light source just can be seen.
And, auxiliary lens 3 is general most to be processed into the shape identical with eyeglass substantially 2 by edging, add man-hour when carrying out edging, with the 2nd alignment mark 35 is benchmark or by being the layout printing that benchmark prints with it, confirm the assembling point and the horizontal direction of eyeglass, carry out and the basic identical shaped edging cut of eyeglass.And the 2nd alignment mark 35 also can be used for confirming the reference position and the direction of the location when auxiliary lens 3 being installed on the basic eyeglass 2.
Illustrative the 2nd alignment mark of Fig. 8 and Fig. 9 is circular, yet in order also to represent vertical direction, for example, as surround the polygon of the triangle, quadrilateral etc. of the 1st alignment mark, the symbol that constitutes by 3 lines of horizontal direction and vertical direction, the 2nd alignment mark can be an optional sign.
In the combined eyeglasses eyeglass of convertible kind of design of the present invention, because as mentioned above, basic eyeglass 2 and auxiliary lens 3 all have progressive refractive surface, thereby while actually employed, if do not overlap, then the optical property that can not obtain to expect in accurate position.As long as basic eyeglass 2 and auxiliary lens 3 can by be used for the chimeric edge printing processing of spectacle-frame be that edging is processed and formed identical profile, even be that benchmark makes up, also can overlap in accurate position with the profile, aesthetic property is also good.
Below, with reference to accompanying drawing, to can the embodiment that basic eyeglass 2 and auxiliary lens 3 edgings are processed into the method for edging of the present invention of identical profile being specifically described.Figure 10 is the sectional view of eyeglass that the joint operation of method of edging of the present invention is shown, and Figure 11 is the front elevation of the eyeglass that describes of the operation to method of edging of the present invention.
At first, shown in Figure 11 (a), circular basic eyeglass 2 and circular auxiliary lens 3 that preparation will be made up.In Figure 10 and embodiment shown in Figure 11, the combined eyeglasses eyeglass 1 that the auxiliary lens 3 by the progressive-power of basic eyeglass 2 with progressive-power and kind of design with convertible this basic eyeglass 2 etc. that illustrates that the present inventor proposes constitutes.In Figure 11, the aberration profile of each eyeglass is schematically shown by dotted line.Illustrated eyeglass uses following example to describe, that is: basic eyeglass 2 is far and near type progressive-power eyeglasses, and the synthetic refractive power that makes up the combined eyeglasses eyeglass 1 that obtains with auxiliary lens 3 is middle plesiotype.And, on the eyeball side refractive surface 22 of basic eyeglass 2, progressive refractive surface being set, object side refractive surface 23 forms sphere.The eyeball side refractive surface 32 of auxiliary lens 3 forms the sphere identical with the object side refractive surface 23 of basic eyeglass 2, and the refractive power of the refractive power that changes basic eyeglass 2 is offered object side refractive surface 33.By using this basic eyeglass 2 and auxiliary lens 3, can make object side refractive surface 23 fluid-tight engagement of eyeball side refractive surface 32 with the basic eyeglass 2 of auxiliary lens 3.
On the object side refractive surface 23 of the basic eyeglass 2 of progressive-power eyeglass, shown in Figure 11 (a), as the 1st alignment mark, be provided with the alignment fiducials mark 25 of logos of S letter that is used to represent to assemble a little or becomes the design basis point of the benchmark that is used to define the assembling point and horizontal direction at 2 positions as covert marks.As mentioned above, according to the obligated alignment fiducials mark 25 that is provided with on the progressive-power eyeglass of the regulation of ISO or JIS, this alignment fiducials mark 25 is decided to be 2 positions that separate 34mm with horizontal range on eyeglass.The centre position of 2 alignment fiducials marks 25 is assembling points or becomes the design basis point that is used to define the benchmark that assembles point, uses and represented by the horizontal datum shown in the imaginary dot-and-dash line and the intersection point of vertical reference line.
On the eyeball side refractive surface 32 of auxiliary lens 3, shown in Figure 11 (a), be provided with the 2nd alignment mark 35 as covert marks in the position that overlaps with the alignment fiducials mark 25 of basic eyeglass 2.Illustrated the 2nd alignment mark 35 becomes the round wire of surrounding alignment fiducials mark 25, yet the 2nd alignment mark 35 can be any figure.The distance between centers of the 2nd alignment mark 35 is 34mm by horizontal range.The mid point of line that connects the center of 2 the 2nd alignment marks 35,35 is the design basis point that the assembling point of auxiliary lens 3 or become is used to define the benchmark of assembling point.
In method of edging of the present invention, this basic eyeglass 2 and auxiliary lens 3 are accurately located.Be configured to the eyeball side refractive surface 32 of auxiliary lens 3 with the object side refractive surface 23 of basic eyeglass 2 approaching, shown in Figure 11 (b), from optical axis direction, make auxiliary lens 3 or basic eyeglass 2 move to the relative position that the 2nd alignment mark 35 by auxiliary lens 3 surrounds the alignment fiducials mark 25 of basic eyeglass 2 and locate.Like this, the center of alignment fiducials mark 25 is consistent with the center of the 2nd alignment mark 35, the design basis position of basic eyeglass 2 and the design basis position consistency of auxiliary lens 3, and horizontal direction is consistent with each other, i.e. assembling point is consistent, and the relative position of the mutual refractive surface of basic eyeglass 2 and auxiliary lens 3 is accurately located.
Behind the location, in engaging operation, use double-sided adhesive tape etc. is provided with cement layer 4 in the zone in the edging range of work of the central part of basic eyeglass 2 or auxiliary lens 3.Then, under the state of the relative position that keeps basic eyeglass 2 and auxiliary lens 3, auxiliary lens 3 is pressed on the basic eyeglass 2, as shown in figure 10, auxiliary lens 3 is fitted by cement layer 4 and basic eyeglass 2, and be fixed into and make the mutual alignment non-migration.In order to peel off easily, the cement layer 4 preferred bonding agent with following characteristic that uses promptly, have powerful bounding force usually, yet harden by irradiation ultraviolet radiation, electronics line etc., and bounding force is declined to a great extent, and can peel off easily.
Then, in the edging manufacturing procedure, under the state that basic eyeglass 2 and auxiliary lens 3 are fitted, use the do not do illustrated edging processing unit (plant) identical with the processing of common edging, utilize grinding of grinding stone to cut to two eyeglasses and process to being embedded into the shape in the spectacle-frame.Add man-hour at edging, alignment fiducials mark 25 is as the reference position of expression edging processing and the machining benchmark point of direction.By edging processing, shown in Figure 11 (c), basic eyeglass 2 and auxiliary lens 3 are processed into same outer shape.
After edging processing, to cement layer 4 irradiation ultraviolet radiation between basic eyeglass 2 and the auxiliary lens 3 bounding force of cement layer 4 is declined to a great extent, shown in Figure 11 (d), basic eyeglass 2 is separated with auxiliary lens 3.The basic eyeglass 2 that is separated is installed on the spectacle-frame and uses.Auxiliary lens 3 dismounting where necessary is installed in use on the basic eyeglass 2 freely.
Like this, method of edging of the present invention carries out edging processing to it under the state that basic eyeglass and auxiliary lens are fitted.Add man-hour when as in the past basic eyeglass and auxiliary lens being carried out edging separately respectively; owing to mismachining tolerance takes place the processing of separately edging; when in being accommodated in frame and with profile, being shaped as benchmark and making up; increased the edging mismachining tolerance; can not guarantee the necessary assembly precision of basic eyeglass and auxiliary lens; because assembly error and deterioration, might be able to not bring into play the optical property of regulation by the optical property that combination obtained of basic eyeglass and auxiliary lens.By contrast, according to the method for edging of the present invention that under the state that basic eyeglass and auxiliary lens are fitted, it is carried out edging processing, not increasing the mismachining tolerance that edging adds man-hour, is benchmark when making up in being accommodated in frame and with the profile, can guarantee assembly precision.And, can be processed into same outer shape to basic eyeglass and auxiliary lens edging.By making basic eyeglass and auxiliary lens form same outer shape, can when combination, be shaped as benchmark at accurate position grouping with profile.And when basic eyeglass and auxiliary lens were same outer shape, the auxiliary lens of being installed was unshowy, is preferred in appearance yet.And, owing to can in 1 edging manufacturing procedure, the both sides to basic eyeglass and auxiliary lens carry out edging processing, thereby productivity is good.And, as long as can under the state that basic eyeglass and auxiliary lens are fitted, for example embed the such edging processing processing in addition of magnet or metal or punching processing, just can be to the good processing of both sides' enforcing location precision of basic eyeglass and auxiliary lens.
In the above description, adopt following example to be illustrated, that is: use the alignment fiducials mark of covert marks as the 1st alignment mark, and the alignment mark of use covert marks is as the 2nd alignment mark, as long as yet can position, just can use other marks, for example, otch or concavo-convex etc. can be set in the periphery of eyeglass or side.
The vision correction eyeglass that the presbyopia person that the adjusting power that mainly can be used as combined eyeglasses eyeglass of the present invention weakens uses.
Auxiliary lens of the present invention mainly can utilize in vision correction that the presbyopia person who weakens with adjusting power the uses purposes with kind of design of the basic eyeglass of the incompatible change of basic lens set etc.
The method of edging of combined eyeglasses eyeglass of the present invention can utilize when basic eyeglass and auxiliary lens are processed into the shape that is installed on the spectacle-frame.
Claims (13)
1. combined eyeglasses eyeglass, basic eyeglass and auxiliary lens are combined, this basic eyeglass has progressive refractive surface on any one refractive surface or the two sides of object side and eyeball side, this progressive refractive surface has: the 1st dioptric portion, and it has the refractive power that is used to observe at the object at predetermined distance place; The 2nd dioptric portion, it has the different refractive power with the 1st dioptric portion; And progressive portion, its refractive power from aforementioned the 1st dioptric portion to aforementioned the 2nd dioptric portion gradual change; It is characterized in that the basic eyeglass refractive power that aforementioned basic eyeglass is had is partly or entirely different with aforementioned basic eyeglass refractive power with the synthetic synthetic refractive power that obtains of auxiliary lens refractive power that aforementioned auxiliary lens has.
2. combined eyeglasses eyeglass according to claim 1 is characterized in that, any one in the progressive starting point in the aforementioned combined eyeglasses eyeglass and the progressive end point or two aforementioned synthetic refractive power are different with aforementioned basic eyeglass refractive power.
3. combined eyeglasses eyeglass according to claim 2 is characterized in that, it is different with the basic eyeglass adding number of degrees that aforementioned basic eyeglass has that the combined lens in the aforementioned combined eyeglasses eyeglass adds the number of degrees.
4. combined eyeglasses eyeglass according to claim 1 is characterized in that,
The refractive surface of the eyeball side of aforementioned basic eyeglass has the aforementioned progressive refractive surface, and the refractive surface of auxiliary lens side forms sphere or double-curved surface;
The refractive surface of the basic eyeglass side of aforementioned auxiliary lens forms roughly the same sphere or the double-curved surface of refractive surface with the auxiliary lens side of aforementioned basic eyeglass.
5. combined eyeglasses eyeglass, by basic eyeglass and auxiliary lens combination are formed, this basic eyeglass has progressive refractive surface on any one refractive surface or the two sides of object side and eyeball side, this auxiliary lens has to be made with aforementioned basic eyeglass combination and the part or all of different refractive power of basic eyeglass refractive power that synthetic synthetic refractive power and aforementioned basic eyeglass have, it is characterized in that
Be provided with the 1st alignment mark of expression design basis position and prescribed direction at least at 2 positions of any one refractive surface of aforementioned basic eyeglass, be provided with the 2nd alignment mark of expression previous designs reference position and prescribed direction at least at 2 positions of any one refractive surface of aforementioned auxiliary lens.
6. combined eyeglasses eyeglass according to claim 5 is characterized in that, aforementioned the 1st alignment mark is arranged on the position of expression assembling point and horizontal direction.
7. combined eyeglasses eyeglass according to claim 5 is characterized in that, aforementioned the 2nd alignment mark is arranged on the position separately that overlaps with aforementioned the 1st alignment mark.
8. an auxiliary lens makes up with the basic eyeglass with progressive refractive surface, it is characterized in that, has the zone that does not have refractive power in any up and down one or both sides of the main line of regard consistent with the principal meridian of aforementioned basic eyeglass.
9. auxiliary lens according to claim 8 is characterized in that, also has pars intermedia refractive power at aforementioned main line of regard and be very big or minimum zone or in the zone of any up and down lateroflexion luminous power constant of aforementioned main line of regard.
10. the method for edging of a combined eyeglasses eyeglass is characterized in that, has:
Positioning process makes the basic eyeglass that is installed on the spectacle-frame and is positioned on the relative position of regulation with the mutual refractive surface of the auxiliary lens of this basic eyeglass combination;
Engage operation, the aforementioned basic eyeglass and the aforementioned auxiliary lens of being located are fitted;
Edging operation under the state that aforementioned basic eyeglass and aforementioned auxiliary lens are fitted, is carried out the edging processing of aforementioned basic eyeglass and aforementioned auxiliary lens; And
Stripping process is peeled off aforementioned basic eyeglass and aforementioned auxiliary lens.
11. the method for edging of combined eyeglasses eyeglass according to claim 10, it is characterized in that, in aforementioned positioning process, be positioned to, the 2nd alignment mark that is arranged on the aforementioned auxiliary lens and the 1st alignment mark that is arranged on the aforementioned basic eyeglass are coincide.
12. the method for edging of combined eyeglasses eyeglass according to claim 10 is characterized in that,
Aforementioned basic eyeglass has progressive refractive surface on any one refractive surface or the two sides of object side and eyeball side, and this progressive refractive surface has: the 1st dioptric portion, and it has the refractive power that is used to observe at the object at predetermined distance place; The 2nd dioptric portion, it has the different refractive power with the 1st dioptric portion; And progressive portion, its refractive power from aforementioned the 1st dioptric portion to aforementioned the 2nd dioptric portion gradual change;
Make the synthetic synthetic refractive power that obtains of aforementioned auxiliary lens refractive power and aforementioned basic eyeglass refractive power partly or entirely different with the basic eyeglass refractive power that aforementioned basic eyeglass has.
13. the method for edging of combined eyeglasses eyeglass according to claim 12 is characterized in that,
The refractive surface of the eyeball side of aforementioned basic eyeglass has the aforementioned progressive refractive surface, and the refractive surface of auxiliary lens side forms sphere or double-curved surface;
The refractive surface of the basic eyeglass side of aforementioned auxiliary lens forms roughly the same sphere or the double-curved surface of refractive surface with the object side of aforementioned basic eyeglass.
Applications Claiming Priority (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005028578 | 2005-02-04 | ||
| JP2005-028578 | 2005-02-04 | ||
| JP2005028578 | 2005-02-04 | ||
| JP2005079342 | 2005-03-18 | ||
| JP2005079342 | 2005-03-18 | ||
| JP2005-079342 | 2005-03-18 | ||
| JP2005081192 | 2005-03-22 | ||
| JP2005081192 | 2005-03-22 | ||
| JP2005-081192 | 2005-03-22 | ||
| JP2005-323171 | 2005-11-08 | ||
| JP2005323171A JP4400549B2 (en) | 2005-02-04 | 2005-11-08 | Combination spectacle lens and method for processing target lens shape |
| JP2005323171 | 2005-11-08 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810165815XA Division CN101382667B (en) | 2005-02-04 | 2006-02-05 | Combination lens for eyeglasses, auxiliary lens, and lens shape processing method for combination lens for eyeglasses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1815299A true CN1815299A (en) | 2006-08-09 |
| CN1815299B CN1815299B (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810165815XA Expired - Fee Related CN101382667B (en) | 2005-02-04 | 2006-02-05 | Combination lens for eyeglasses, auxiliary lens, and lens shape processing method for combination lens for eyeglasses |
| CN 200610003705 Expired - Fee Related CN1815299B (en) | 2005-02-04 | 2006-02-05 | Combined spectacle lens, auxiliary lens, and method of edging lenses |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810165815XA Expired - Fee Related CN101382667B (en) | 2005-02-04 | 2006-02-05 | Combination lens for eyeglasses, auxiliary lens, and lens shape processing method for combination lens for eyeglasses |
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| Country | Link |
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| CN (2) | CN101382667B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102106717A (en) * | 2009-12-29 | 2011-06-29 | 精工爱普生株式会社 | Vision shift amount measuring method and vision shift amount measuring jig |
| CN102343507A (en) * | 2010-07-30 | 2012-02-08 | 信义汽车玻璃(深圳)有限公司 | Method for mounting and positioning automobile glass accessory |
| CN102681206A (en) * | 2011-03-08 | 2012-09-19 | 精工爱普生株式会社 | Progressive-power lens |
| CN103988116A (en) * | 2011-12-15 | 2014-08-13 | 依视路国际集团（光学总公司） | Methods for determining progressive ophthalmic lens and set of semi finished lens blanks |
| CN105026987A (en) * | 2012-12-19 | 2015-11-04 | Hoya株式会社 | Spectacle lenses |
| CN107615280A (en) * | 2015-05-26 | 2018-01-19 | 豪雅镜片泰国有限公司 | The design method and design device of progressive refractive power glasses lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102015219482B4 (en) * | 2015-10-08 | 2017-07-13 | Carl Zeiss Vision International Gmbh | Spectacles with a spectacle lens with a movable lens segment |
| DE102015220931A1 (en) | 2015-10-27 | 2017-04-27 | Carl Zeiss Vision International Gmbh | Method and device for checking the refractive power distribution and the centering |
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| US4441795A (en) * | 1980-03-24 | 1984-04-10 | Camelot Industries Corporation | Molded multifocal lens and mold assembly |
| US4576623A (en) * | 1984-03-23 | 1986-03-18 | Corning Glass Works | Method for making multifocal ophthalmic lens |
| US5771089A (en) * | 1984-08-17 | 1998-06-23 | Optische Werke G. Rodenstock | Progressive spectacle lens |
| US6027214A (en) * | 1998-02-13 | 2000-02-22 | Graham; Deborah L. | Detachable corrective lens assemblies |
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2006
- 2006-02-05 CN CN200810165815XA patent/CN101382667B/en not_active Expired - Fee Related
- 2006-02-05 CN CN 200610003705 patent/CN1815299B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102106717A (en) * | 2009-12-29 | 2011-06-29 | 精工爱普生株式会社 | Vision shift amount measuring method and vision shift amount measuring jig |
| CN102343507A (en) * | 2010-07-30 | 2012-02-08 | 信义汽车玻璃(深圳)有限公司 | Method for mounting and positioning automobile glass accessory |
| CN102681206A (en) * | 2011-03-08 | 2012-09-19 | 精工爱普生株式会社 | Progressive-power lens |
| CN103988116A (en) * | 2011-12-15 | 2014-08-13 | 依视路国际集团（光学总公司） | Methods for determining progressive ophthalmic lens and set of semi finished lens blanks |
| CN105026987A (en) * | 2012-12-19 | 2015-11-04 | Hoya株式会社 | Spectacle lenses |
| US20150346515A1 (en) | 2012-12-19 | 2015-12-03 | Hoya Corporation | Spectacle lenses |
| CN105026987B (en) * | 2012-12-19 | 2017-03-22 | Hoya株式会社 | Spectacle lenses |
| US10330952B2 (en) | 2012-12-19 | 2019-06-25 | Hoya Corporation | Spectacle lenses |
| CN107615280A (en) * | 2015-05-26 | 2018-01-19 | 豪雅镜片泰国有限公司 | The design method and design device of progressive refractive power glasses lens |
| CN107615280B (en) * | 2015-05-26 | 2021-12-24 | 豪雅镜片泰国有限公司 | Method and apparatus for designing progressive-power lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1815299B (en) | 2010-06-02 |
| CN101382667B (en) | 2011-09-21 |
| CN101382667A (en) | 2009-03-11 |
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