CN107811640B - Refractive correction appearance - Google Patents
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- CN107811640B CN107811640B CN201711012032.3A CN201711012032A CN107811640B CN 107811640 B CN107811640 B CN 107811640B CN 201711012032 A CN201711012032 A CN 201711012032A CN 107811640 B CN107811640 B CN 107811640B
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- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
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- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
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Abstract
The invention discloses a method for using a refractive correction instrument. The refractive correction instrument collects the environmental data of the eyes of the user in real time; comparing the collected environmental data with preset eyesight protection data and the characteristic parameters of the refractive correction instrument, starting an alarm prompt or adjusting the characteristic parameters of the refractive correction instrument according to the comparison result, and providing a good eye using environment for a user in real time; according to the eye using environment, the eye blinking control mechanism controls the eye blinking frequency in real time in a physical mode to perform refraction adjustment on the eyes; the refractive adjuster counts time and parameters of the user's refractive correction, and displays the counted data and the correction progress and effect analyzed according to the statistical data to the user through a display unit or a projection unit; the refraction correction instrument is in communication connection with the peripheral client, statistical data are uploaded to the peripheral client, and correction progress and effect can be checked through the peripheral client. The invention overcomes the defects of the prior art and reduces the damage of the refractive correction to human eyes.
Description
Technical Field
The invention belongs to the field of medical health care instruments, and particularly relates to a refractive correction instrument.
Background
With the development of technological progress, people widely use various electronic products, such as mobile phones, televisions, electronic computers, tablet computers and the like, and when people watch dim screens or use eyes at short distance for a long time, the eyes are adapted to the poor environment, the blinking frequency of the eyes is reduced, and the eyes are continuously self-adjusted, so that the ametropia of the eyes is caused.
Currently, there are three main techniques for correcting the diopter of human eyes: 1. orthokeratology (OK lens); 2. corneal surgery: PPK, LASIK, LASEK; 3. intraocular lens implantation. The use of these techniques damages the cornea and lens of the human eye, with irreparable damage and side effects.
Disclosure of Invention
In order to solve the technical problems of the background art, the invention aims to provide a method for using a refractive correction instrument, which overcomes the defects in the prior art and reduces the damage of the refractive correction to human eyes.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
a method of using a refractive corrector, comprising the steps of:
(1) the refractive correction instrument collects the environmental data of the eyes of the user in real time;
(2) the refractive correction instrument compares the acquired environmental data with preset eyesight protection data and characteristic parameters of the refractive correction instrument, starts an alarm prompt or adjusts the characteristic parameters of the refractive correction instrument according to the comparison result, and provides a good eye environment for a user in real time;
(3) the eye blink control mechanism is arranged on the refractive correction instrument and used for controlling the eye blink frequency in real time in a physical mode according to the eye use environment so as to adjust the refraction of the eyes;
(4) the refractive correction instrument is provided with a display unit or a projection unit, the refractive adjuster counts time and parameters of refractive correction of a user, and displays the counted data and correction progress and effect analyzed according to the statistical data to the user through the display unit or the projection unit;
(5) the refraction correction instrument is in communication connection with the peripheral client in a wired or wireless mode, the refraction correction instrument uploads statistical data to the peripheral client, and a user checks correction progress and effect through the peripheral client.
Based on the above technical solution, in the step (1), the environment data of the eyes of the user includes at least one of distance data between the eyes of the user and the object of emmetropia, light intensity data of external environment, head state data of the user, ultraviolet data of external environment, image data of eyeballs and their peripheries, temperature data of artificial tears in the refractive correction apparatus, and blink data of the user.
Based on the preferable scheme of the above technical solution, in step (2), image data of an eyeball and a periphery of the eyeball in the environment data is compared with data about an image in the vision protection data, the image data includes at least one characteristic object of iris, sclera, pupil, caruncle and blink, and when the image data in the environment data is different from the data about the image in the vision protection data, an alarm is given to prompt a user or stop correction.
Based on the preferable scheme of the technical scheme, in the step (2), the head state data of the user is acquired through an inertia measurement unit arranged on the refraction correction instrument, the acquired head state data of the user is compared with data about head movement in preset eyesight protection data, whether the head of the user is in a severe movement state or not is judged, and if yes, an alarm is given to prompt the user or correction is stopped; meanwhile, the acquired head state data of the user is compared with data about the head posture in the preset eyesight protection data, whether the head of the user is in a correct posture or not is judged, and if not, an alarm is given to prompt the user to adjust the sitting posture.
Based on the preferable scheme of the technical scheme, in the step (2), the characteristic parameters of the refractive correction instrument comprise at least one of light transmittance of the electronic color-changing lens, lens color of the electronic color-changing lens and heating temperature of the artificial tear.
Based on the preferable scheme of the technical scheme, in the step (2), the distance data between the eyes of the user and the emmetropic object in the environment data is compared with the data about the distance in the preset eyesight protection data, if the distance between the eyes of the user and the emmetropic object is smaller than the distance in the eyesight protection data, an alarm is given to prompt the user to pay attention to the eyes, if the distance between the eyes of the user and the emmetropic object after the prompt is still smaller than the distance in the eyesight protection data and exceeds a preset time threshold value, the refractive correction instrument enables the user to be at a normal blinking frequency through a blinking control mechanism, or controls the light transmittance of an electronic color-changing lens, and at the moment, the action of reducing the light transmittance of the lens to the maximum extent can be carried out instantly, wherein the action frequency is the same.
Based on the preferable scheme of the technical scheme, in the step (2), the light intensity data of the external environment in the environment data is compared with the light transmittance of the electronic color-changing lens in the characteristic parameters of the refractive correction instrument to determine the light intensity of the light entering the eyes of the user, when the light intensity of the light entering the eyes of the user is greater than the light intensity upper limit threshold value in the preset eyesight protection data, the refractive correction instrument adjusts the light transmittance of the electronic color-changing lens to enable the light intensity of the light entering the eyes of the user to be less than the light intensity upper limit threshold value in the eyesight protection data, and when the light intensity entering the eyes of the user is less than the light intensity lower limit threshold value in the preset eyesight protection data, the refractive correction instrument gives an alarm to prompt.
Based on the preferable scheme of the technical scheme, in the step (2), the ultraviolet data of the external environment in the environment data is compared with the color of the electronic color changing lens in the characteristic parameters of the refractive correction instrument to determine the ultraviolet intensity entering the eyes of the user, and when the ultraviolet intensity entering the eyes of the user is greater than the preset ultraviolet intensity threshold value in the vision protection data, the refractive correction instrument increases the depth of the color of the electronic color changing lens to enable the ultraviolet intensity entering the eyes of the user to be less than the ultraviolet intensity threshold value in the vision protection data.
Based on the preferable scheme of the technical scheme, in the step (2), the temperature data of the artificial tears in the refractive correction instrument in the environment data is compared with the preset temperature threshold value in the vision protection data, and when the temperature of the artificial tears in the refractive correction instrument is lower than the temperature threshold value in the vision protection data, the refractive correction instrument adjusts the heating temperature of the artificial tears.
Based on the preferable scheme of the technical scheme, the influence of the environmental data on the eye refraction adjustment is related to the blinking frequency of the user, and the higher the blinking frequency of the user is, the smaller the influence of the environmental data on the eye refraction adjustment is; when the eye use environment of the user is poor, the blink control mechanism controls the blink frequency of the user to be at a normal level, so that the influence of the poor eye use environment on the eye refraction adjustment is reduced; when the eye environment of the user is good, the blink control mechanism reduces the blink frequency of the user and increases the good environment to adjust the refraction of the eye, and when the eye reduces the blink frequency and is in a staring state, the refraction correction instrument adds artificial tears to the surface of the eye to moisten the eye and enhance the capacity of the eye to adjust the refraction.
Adopt the beneficial effect that above-mentioned technical scheme brought:
(1) the invention corrects the refraction of the human eye by collecting various environmental data and comparing the environmental data with the preset vision protection data and the characteristic parameters of the refraction correction instrument, compared with the prior art, the invention can not damage the cornea and crystalline lens of the human eye and has smaller side effect;
(2) the invention researches the relationship between the blink frequency and the refractive correction, and reduces the influence of the adverse eye environment on the refractive correction by arranging the blink control mechanism;
(3) the invention provides artificial tears in a refractive correction apparatus that add artificial tears to the surface of the eye when the eye is in a fixation state to moisturize the eye and thereby enhance the ability of the eye to provide refractive accommodation.
Drawings
FIG. 1 is a view of the internal structure of the refractive correction apparatus of the eye of the present invention;
FIG. 2 is a flow chart of a method of the present invention;
FIGS. 3 to 8 are flowcharts of examples 1 to 6.
Detailed Description
The technical scheme of the invention is explained in detail in the following with the accompanying drawings.
The invention designs a method for using a refractive correction instrument, which comprises a corresponding sensor for collecting various environmental data, an alarm unit for giving an alarm prompt to a user, a blinking control mechanism, an electronic color-changing lens, an artificial tear container (the artificial tear container is used for storing artificial tears and has a heating function), a display or projection unit, a microprocessor for processing data, calculating and generating control instructions, and a communication unit (such as a wireless communication chip or a wired transmission serial port) for the communication connection of the refractive correction instrument and an external client, wherein the external client can be a smart phone, a tablet computer or a PC (personal computer) and the like. The internal structure of the refractive correction apparatus is shown in figure 1.
The method of use of the refractive correction apparatus is shown in figure 2 and described in detail below.
Step 1: the user wears the refractive correction instrument and presses the starting switch, and the refractive correction instrument collects the environmental data of the eyes of the user in real time.
The environment data of the eyes of the user includes at least one of distance data of the eyes of the user from an object of emmetropia, light intensity data of the external environment, head state data of the user, ultraviolet data of the external environment, image data of eyeballs and the peripheries of the eyeballs, temperature data of artificial tears in the refractive correction apparatus, and blink data of the user.
Step 2: the refractive correction instrument compares the acquired environmental data with preset eyesight protection data and the characteristic parameters of the refractive correction instrument, starts an alarm prompting function or adjusts the characteristic parameters of the refractive correction instrument according to the comparison result, and provides a good eye environment for a user in real time. The characteristic parameters of the refractive correction instrument include at least one of a light transmittance of the electro-chromic lens, a lens color of the electro-chromic lens, and a heating temperature of the artificial tear.
Comparing image data of eyeballs and the peripheries of the eyeballs in the environment data with data about the images in the vision protection data, wherein the image data comprises at least one characteristic object of iris, sclera, pupil, caruncle and blink, and when the image data in the environment data is different from the data about the images in the vision protection data, alarming to prompt a user or stop correction.
Comparing the acquired head state data of the user with data about head movement in preset eyesight protection data, judging whether the head of the user is in a severe movement state or not, and if so, alarming to prompt the user or stopping correction; meanwhile, the acquired head state data of the user is compared with data about the head posture in the preset eyesight protection data, whether the head of the user is in a correct posture or not is judged, and if not, an alarm is given to prompt the user to adjust the sitting posture.
Comparing the distance data of the user eyes and the emmetropic object in the environment data with the data about the distance in the preset eyesight protection data, if the distance between the user eyes and the emmetropic object is smaller than the distance in the eyesight protection data, alarming to prompt the user to pay attention to the eyes, if the distance between the user eyes and the emmetropic object after prompting is still smaller than the distance in the eyesight protection data and exceeds a preset time threshold, enabling the user to be in a normal blink frequency through a blink control mechanism by the refraction correction instrument, or controlling the light transmittance of the electronic color-changing lens, and at the moment, the action of reducing the light transmittance of the lens to the maximum extent can be achieved instantly, wherein the action frequency is the same as the normal blink frequency of the user, and the blink action.
Comparing the light intensity data of the external environment in the environment data with the light transmittance of the electronic color-changing lens in the characteristic parameters of the refractive correction instrument to determine the light intensity of the light entering the eyes of the user, when the light intensity of the light entering the eyes of the user is greater than the light intensity upper limit threshold value in the preset eyesight protection data, adjusting the light transmittance of the electronic color-changing lens by the refractive correction instrument to enable the light intensity of the light entering the eyes of the user to be less than the light intensity upper limit threshold value in the eyesight protection data, and when the light intensity entering the eyes of the user is less than the light intensity lower limit threshold value in the preset eyesight protection data, alarming to prompt the user to pay attention to the.
Comparing the ultraviolet data of the external environment in the environment data with the color of the electronic color changing lens in the characteristic parameters of the refractive correction instrument to determine the ultraviolet intensity entering the eyes of the user, and when the ultraviolet intensity entering the eyes of the user is greater than the ultraviolet intensity threshold value in the preset vision protection data, increasing the depth of the color of the electronic color changing lens by the refractive correction instrument to enable the ultraviolet intensity entering the eyes of the user to be less than the ultraviolet intensity threshold value in the vision protection data.
Comparing the temperature data of the artificial tears in the refractive correction instrument in the environmental data with a preset temperature threshold in the vision protection data, and adjusting the heating temperature of the artificial tears by the refractive correction instrument when the temperature of the artificial tears in the refractive correction instrument is lower than the temperature threshold in the vision protection data.
And step 3: the eye blink control mechanism is arranged on the refractive correction instrument and controls the eye blink frequency in real time in a physical mode according to the eye using environment so as to adjust the refraction of the eyes.
The influence of the environmental data on the eye refractive adjustment is related to the blinking frequency of the user, and the higher the blinking frequency of the user, the less the influence of the environmental data on the eye refractive adjustment is; when the eye use environment of the user is poor, the blink control mechanism enables the blink frequency of the user to be at a normal level, so that the influence of the poor eye use environment on the eye refraction adjustment is reduced; when the eye environment of the user is good, the blink control mechanism reduces the blink frequency of the user and increases the good environment to adjust the refraction of the eye, and when the eye reduces the blink frequency and is in a staring state, the refraction correction instrument adds artificial tears to the surface of the eye to moisten the eye and enhance the capacity of the eye to adjust the refraction.
And 4, step 4: the refractive correction instrument is provided with a display unit or a projection unit, the refractive adjuster counts time and parameters of refractive correction of a user, and displays the counted data and correction progress and effect analyzed according to the statistical data to the user through the display unit or the projection unit.
And 5: the refraction correction instrument is in communication connection with the peripheral client in a wired or wireless mode, the refraction correction instrument uploads statistical data to the peripheral client, and a user checks correction progress and effect through the peripheral client.
The following examples are provided to illustrate the practice of certain steps of the present invention.
Example 1, as shown in fig. 3, a specific process of distance detection in the present invention:
step 1001: after the user wears the refractive correction instrument, the sensor is started and the distance sensor is started.
Step 1002: the distance sensor begins to collect data.
The distance sensor mainly collects the distance between the user and the object in front of the eye.
Step 1003: the core control module analyzes the collected distance sensor data, the current refractive correction protection in the core control module is set as myopia protection, and whether the eye distance environment meets the correction condition is judged through data.
For example: when myopia and refraction are corrected, a distance warning threshold value and reminding times are preset on the refraction correction instrument, and the preset distance warning threshold value and the reminding times can be manually increased or decreased according to the vision requirements of different users, and can also be adjusted through a terminal; if the distance warning threshold value is 20cm, the distance warning threshold value can be manually adjusted to 25cm according to requirements; and when the eye distance is less than 25cm and the duration is more than 5 seconds, reminding the user.
Step 1004: and analyzing and judging whether the eye distance of the current user is short or not by collecting the data.
Step 1005: according to step 1004, it is determined that the distance data in the current eye environment is good, and the distance data meets the requirements of the correction execution conditions, and enters a state to be corrected.
Step 1006: according to the step 1004, it is judged that the distance data in the current eye using environment is poor and cannot meet the requirement of the correction execution condition, and the user is reminded to pay attention to the eye using for correction.
For example: when the distance data in the current user environment is smaller than a preset distance warning threshold value of 35cm, a sound for reminding the user to pay attention to the eye distance is emitted, and the user hears the sound and adjusts the distance.
Step 1007: if the reminding is invalid, when the reminding exceeds a set time threshold, the eye blinking control system controls the eyes to blink normally or the electronic color changing lens can simulate the blinking action instantly, the light transmittance of the lens is reduced instantly to the maximum extent, and the instant action frequency is the same as the normal blinking frequency.
Example 2, as shown in fig. 4, a specific procedure of light intensity detection in the present invention:
step 2001: after the user wears the refractive correction instrument, the sensor is started, and the light intensity sensor is started.
Step 2002: the light intensity sensor begins to collect data.
The light intensity sensor mainly collects the light intensity when the user uses the eyes. The light intensity sensor converts the ambient light intensity into an electrical signal, and the signal output by the ambient light sensor changes with different ambient light intensities. The light intensity refers to the luminous flux of visible light received per unit area, and is used for indicating the intensity of illumination and the amount of illumination degree of the surface area of an object.
Step 2003: the microprocessor analyzes the acquired light intensity data and judges whether the eye light environment meets the correction condition or not according to the data.
Step 2004: and judging the intensity of the light intensity data in the eye environment of the current user by acquiring and analyzing the data. Step 2005: when the light intensity of the light entering the eyes of the user is judged to be stronger according to the step 2004, the light transmittance of the electronic color-changing lens is adjusted according to the light intensity collected by the refraction correction instrument, so that the light intensity of the light entering the eyes of the user meets the correction condition, and the user enters a state to be corrected.
For example: in summer, because light is relatively strong, when the light is detected to be too strong, the light transmittance of the electronic lens is automatically adjusted, so that the intensity of the light entering eyes meets the correction condition, and the eyes enter a state to be executed.
Step 2006: it is determined according to step 2004 that the light intensity data in the current eye use environment is poor and cannot meet the requirements of the correction execution conditions, prompting the user to pay attention to the eye use.
For example: when the current user reads in the environment with weak light, and the light intensity data collected by the refractive correction instrument is smaller than the preset light intensity protection warning threshold value, the current light is darker, the user hears the sound, and the place with better light is searched.
Step 2006: when the light intensity data in the current eye environment is judged to be excellent according to the step 2004, the eye directly enters a state to be corrected.
Embodiment 3, as shown in fig. 5, a specific flow of detecting the head state of the user in the present invention:
step 3001: after the user wears the refractive correction instrument, the sensor is started and the head state sensor is started.
Step 3002: the head state sensor starts to collect data. The head state sensor mainly collects head posture data when the user uses eyes and head motion state data of the user.
Step 3003: the microprocessor analyzes the collected head state data and judges whether the current head state environment meets the correction condition or not according to the data.
Step 3004: by collecting data and analyzing, whether the sitting posture state in the head state of the current user eye environment is correct or not and whether the head is in a violent movement state or not is judged.
Step 3005: judging that the eye-using posture of the user is incorrect according to the step 3004, reminding to urge the user to keep the correct eye-using posture;
for example: when a user reads a book, the user often leans on a desk or reads the book with a head tilted, the data detected by the motion state sensor of the refractive correction instrument is compared with the preset head posture state data, the head posture of the user is judged to be incorrect, the refractive correction instrument sends out a reminding sound to 'please pay attention to the eye posture', the user can sit upright, and then the user can read the book. By detecting the incorrect posture, the condition that the young students are short sighted due to the incorrect posture in the process of listening to classes and reading books can be prevented.
Step 3006: when it is determined that the user is in a state of intense head movement according to step 3004, the correction is terminated or the user is prompted to remove the refractive correction apparatus.
For example: when the user is in violent motion, for example, run, data that the motion state sensor of refractive correction appearance detected compare with preset head motion state data, judge that the user is in the motion of head motion state when great, eyes are unsuitable at this moment and correct, remove blink system control, let eyes blink voluntarily, remind the user to take off the refractive correction appearance, prevent to cause because of the accident to the collision of refractive correction appearance, injury eyes.
Step 3007: and step 3004, when the user has correct sitting posture and small head movement, entering a state to be corrected.
Embodiment 4, as shown in fig. 6, a specific process of detecting an eyeball and an image around the eyeball in the present invention:
step 4001: after the user wears the refractive correction instrument, the sensor is started and the image sensor is started.
Step 4002: the image sensor begins to collect data. The image sensor mainly collects image information of eyeballs and/or eyeball peripheries and identifies at least one piece of characteristic image information contained in the target image. For example, for identifying image information such as iris, sclera, pupil, caruncle, blink, etc., contained in the image.
Step 4003: the microprocessor analyzes the acquired image information data and judges whether the current eye image environment meets the correction condition or not according to the data.
Step 4004: and judging whether the image information in the eye environment of the current user is abnormal or not by analyzing the acquired data.
Step 4005: determining that the image data differs from the eye-protection data for the image according to step 4004, alerting the user or stopping refractive correction.
For example: when the sclera has blood silk and the caruncle red swelling due to fatigue or irregular correction in the correction process of the current user, and the image of the sclera or the caruncle collected by the image sensor is different from the image protection data about the sclera or the caruncle of the eye, the image protection data send out a sound for reminding the user to pay attention to the rest! Let the user stop the corrective therapy and take care of the rest.
Step 4006: and entering a state to be corrected when the image data is judged to be not abnormal with the eye protection data related to the image according to the step 4004.
Example 5, as shown in fig. 7, a specific process of external ultraviolet detection in the present invention:
step 5001: after the user wears the refractive correction instrument, the sensor is started, and the ultraviolet sensor is started.
Step 5002: the uv sensor begins to collect data. The ultraviolet sensor mainly collects the ultraviolet intensity when the user uses eyes.
Ultraviolet light is light of one wavelength and, for other wavelengths, blue, red, for example. The wavelength width of the ultraviolet is 185-400nm and can be divided into a UVC wave band of 185-270 nm, a UVB wave band of 270-315 nm and a UVA wave band of 315-400 nm.
Step 5003: and the microprocessor analyzes the collected ultraviolet data and judges whether the current ultraviolet environment meets the correction condition or not according to the data.
Step 5004: and through the analysis of the collected data, the intensity of the ultraviolet data in the eye environment of the current user is judged.
Step 5005: when the ultraviolet ray of the light entering the eyes of the user is judged to be stronger according to the step 2004, the color of the electronic color-changing lens is adjusted according to the light intensity collected by the refraction correction instrument, so that the ultraviolet ray entering the eyes of the user meets the correction condition and enters the state to be corrected.
For example: in areas or seasons with higher ultraviolet intensity, if the refractive correction instrument detects higher ultraviolet intensity, the color of the lens is automatically adjusted, and the user is prevented from burning eyes when correcting the eyes.
Step 5006: when the light intensity data in the current eye environment is judged to be zero according to the step 2004, the eye directly enters a state to be corrected.
Example 6, as shown in fig. 8, the specific process of the artificial tear temperature detection of the present invention:
step 6001: after the user wears the refractive correction instrument, the sensor is started, and the temperature sensor is started.
Step 6002: the temperature sensor begins to collect data. The temperature sensor is used for mainly collecting the temperature of the artificial tears in the refraction correction instrument.
Step 6003: the microprocessor analyzes the collected temperature data, and judges whether the temperature environment of the artificial tears meets the correction condition in the current refractive correction instrument according to the data.
Step 6004: and analyzing the collected data to judge whether the temperature of the artificial tears is low or not.
Step 6005: when the temperature of the artificial tear in the refractive correction apparatus is determined to be low according to step 6004, the stored artificial tear is heated. For example: in the cold season in winter, when the temperature drops to can freeze, when the ametropia correction appearance detects temperature data and crosses lowly, the temperature of the artificial tear of self-heating storage avoids because of the temperature crosses lowly, forms and freezes, influences the pump sending of eye surface artificial tear.
Step 6006: the temperature of the artificial tear in the refractive correction apparatus is determined to be at a temperature suitable for the person's body according to step 6004 and the person is allowed to enter the state to be corrected.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the protection scope of the present invention.
Claims (8)
1. A refractive correction instrument is characterized by comprising corresponding sensors for collecting various environmental data, an alarm unit for giving an alarm prompt to a user, a blinking control mechanism, an electronic color-changing lens, an artificial tear container, a display or projection unit, a microprocessor for processing data, calculating and generating a control instruction, and a communication unit for the refractive correction instrument to be in communication connection with an external client; the artificial tear container is used for storing artificial tears and has a heating function; the peripheral client comprises a smart phone, a tablet computer or a PC (personal computer); the various environment data comprise at least one of distance data between eyes of a user and an object of emmetropia, light intensity data of external environment, head state data of the user, ultraviolet data of the external environment, image data of eyeballs and the peripheries of the eyeballs, temperature data of artificial tears and blink data of the user; the refractive correction instrument compares the acquired environmental data with preset eyesight protection data and characteristic parameters of the refractive correction instrument, starts an alarm prompting function or adjusts the characteristic parameters of the refractive correction instrument according to the comparison result, and provides a good eye environment for a user in real time; the characteristic parameters of the refractive correction instrument comprise at least one of light transmittance of the electronic color-changing lens, lens color of the electronic color-changing lens and heating temperature of the artificial tears; the eye blinking control mechanism controls the eye blinking frequency in real time in a physical mode according to the eye using environment, and performs refractive adjustment on the eyes; the refractive correction instrument counts time and parameters of refractive correction of a user, and displays the counted data and correction progress and effect analyzed according to the statistical data to the user through a display or projection unit; the refraction correction instrument is in communication connection with the peripheral client in a wired or wireless mode, the refraction correction instrument uploads statistical data to the peripheral client, and a user checks correction progress and effect through the peripheral client.
2. The refractive correction apparatus according to claim 1, wherein image data of an eyeball and a periphery of the eyeball in the environment data is compared with data on an image in the vision protection data, the image data containing at least one characteristic object of iris, sclera, pupil, caruncle, and blink, and when the image data in the environment data is different from the data on the image in the vision protection data, an alarm is given to prompt the user or stop the correction.
3. The refractive correction instrument of claim 1, wherein the user head state data is obtained by an inertial measurement unit provided on the refractive correction instrument, the obtained user head state data is compared with data on head movement in preset vision protection data, whether the head of the current user is in a severe movement state is judged, and if yes, an alarm is given to prompt or stop correction; meanwhile, the acquired head state data of the user is compared with data about the head posture in the preset eyesight protection data, whether the head of the user is in a correct posture or not is judged, and if not, an alarm is given to prompt the user to adjust the sitting posture.
4. The apparatus of claim 1, wherein the distance between the eye of the user and the object being viewed is compared to predetermined distance data in the vision protection data, and wherein if the distance between the eye of the user and the object being viewed is less than the predetermined distance in the vision protection data, the apparatus alerts the user to the eye, and if the distance between the eye of the user and the object being viewed is less than the predetermined distance in the vision protection data for more than a predetermined time threshold, the apparatus causes the user to blink at a normal blink frequency via the blink control mechanism, or controls the transmittance of the electrochromic lens, wherein the apparatus has an action of decreasing the transmittance of the lens at a maximum instant, wherein the frequency of the action is the same as the normal blink frequency of the user, thereby simulating the blinking action of the user.
5. The refractive correction apparatus of claim 1, wherein the light intensity data of the external environment in the environment data is compared with a light transmittance of the electrochromic lens in the characteristic parameters of the refractive correction apparatus to determine the light intensity of the light entering the eye of the user, the refractive correction apparatus adjusts the light transmittance of the electrochromic lens such that the light intensity of the light entering the eye of the user is less than the upper light intensity threshold in the vision protection data when the light intensity of the light entering the eye of the user is greater than the upper light intensity threshold in the vision protection data, and the alarm prompts the user to pay attention to the eye when the light intensity entering the eye of the user is less than the lower light intensity threshold in the vision protection data.
6. The refractive correction apparatus of claim 1, wherein the uv data for the external environment in the environmental data is compared to the color of the electrochromic lens in the characteristic parameters of the refractive correction apparatus to determine the uv intensity entering the user's eye, and when the uv intensity entering the user's eye is greater than the preset uv intensity threshold in the vision protection data, the refractive correction apparatus increases the depth of the color of the electrochromic lens such that the uv intensity entering the user's eye is less than the uv intensity threshold in the vision protection data.
7. The refractive corrector of claim 1, wherein the temperature data of the artificial tear in the environmental data is compared with a preset temperature threshold in the vision protection data, and the refractive corrector adjusts the heating temperature of the artificial tear when the temperature of the artificial tear in the refractive corrector is lower than the temperature threshold in the vision protection data.
8. The refractive correction apparatus of claim 1, wherein the refractive correction apparatus adds artificial tears to the surface of the eye to moisten the eye and enhance the ability of the eye to adjust refraction when the eye is at a fixation state with a reduced blink frequency.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711012032.3A CN107811640B (en) | 2017-10-26 | 2017-10-26 | Refractive correction appearance |
| PCT/CN2018/103477 WO2019080646A1 (en) | 2017-10-26 | 2018-08-31 | Using method for refractive correction instrument |
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| CN201711012032.3A CN107811640B (en) | 2017-10-26 | 2017-10-26 | Refractive correction appearance |
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| CN107811640B (en) * | 2017-10-26 | 2020-05-08 | 李迎 | Refractive correction appearance |
| CN110063712B (en) * | 2019-04-01 | 2022-01-18 | 深圳市明瞳视光科技有限公司 | Lens displacement optometry system based on simulated light field by adopting cloud technology |
| CN113079695B (en) * | 2019-11-05 | 2023-08-08 | 温州大学 | Instrument for correcting children's vision by using optical stimulus |
| CN114758631B (en) * | 2021-01-08 | 2023-10-17 | 广东小天才科技有限公司 | Multi-region dimming film driving method and wearable glasses |
| CN114758632B (en) * | 2021-01-08 | 2023-11-10 | 广东小天才科技有限公司 | Multi-region PNLC driving method and wearable glasses |
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| CN107811640A (en) | 2018-03-20 |
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