CN101836931B - Visual training glasses - Google Patents
Visual training glasses Download PDFInfo
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- CN101836931B CN101836931B CN 200910111307 CN200910111307A CN101836931B CN 101836931 B CN101836931 B CN 101836931B CN 200910111307 CN200910111307 CN 200910111307 CN 200910111307 A CN200910111307 A CN 200910111307A CN 101836931 B CN101836931 B CN 101836931B
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Abstract
The invention discloses visual training glasses which comprise a base, two lenses and a display screen, wherein the two lenses are installed on the base and can move left and right relative to the base to change the distance between the two lenses; the display screen is installed on the base and can move front and back relative to the base to change the distances between the display screen and the lenses; and the display screen is positioned behind the two lenses, and the eyes of a looker can look on the display screen through the two lenses. The front and back movement of the display screen synchronously corresponds to the left and right movement of the lenses, so that an image looking angle is reduced when an image distance is increased, and the image looking angle is increased when theimage distance is reduced, thus the eyes of the looker simultaneously make focusing movement of eye ciliary muscle and concentration adjusting movement of eyeball muscle. Because the eyes of the looker simultaneously make the focusing movement of the eye ciliary muscle and the concentration and separation adjusting movement of the eyeball muscle, the eye ciliary muscle and the eyeball muscle can be simultaneously exercised, thus the looker can look more natural and comfortable, and the invention is conductive to improve the eyesight of users.
Description
Technical field
The present invention relates to a kind of visual training glasses.
Background technology
Chinese patent database was announced the utility model that the utility model name is called " vision care mirror " on the 24th JIUYUE in 2008, and its patent No. is ZL200720008532.5, and notification number is CN201122196Y.The technology that this vision care mirror tracing is stated is: the mirror body is provided with mirror case, eyepiece group, image display and pitch-changing mechanism, eyepiece group, image display and pitch-changing mechanism are located in the mirror case, the eyepiece group is provided with lens, fine setting key, lenticular spacing is by the fine setting key control, image display is located at before the lens and is fixed on the slide block, slide block is slidingly connected to the guide groove on the mirror case, and image display is provided with photo-electric display, pick-up lens.Actuating unit is connected with slide block by the tractive cable wire, and cable wire affects slide block to move, and moves reciprocatingly, and constantly changes the image distance of image display in eyepiece.The beholder is constantly regulating ciliary muscle unconsciously in watching the process of image, vision has been played rehabilitation.But, because this utility model does not relate to the set regulating action for beholder's eyes eyeball, therefore can't temper the set regulating muscle of beholder's eyes.
Summary of the invention
The invention provides a kind of visual training glasses, it has overcome the existing situation that can't temper the set regulating muscle of beholder's eyes of background technology vision care mirror.
One of the technical solution adopted for the present invention to solve the technical problems is:
Visual training glasses, it comprises:
One pedestal;
Two eyeglasses, they be installed on the pedestal and relatively the pedestal move left and right to change the spacing between two eyeglasses; And
One display screen in order to displayed map picture or video, it be installed on the pedestal and relatively pedestal move forward and backward to change spacing between display screen and the eyeglass, this display location is after two eyeglasses, beholder's eyes can be watched display screen by two eyeglasses;
This display screen move forward and backward and this eyeglass move left and right corresponding synchronously, so that becoming big time image viewing angle, image distance diminishes, image distance diminishes the change of time image viewing angle greatly, uses so that beholder's eyes are done the focusing activity of a ciliary muscle and the set adjusting activity of eyeball flesh simultaneously.
In the preferred embodiment of the present invention, the move left and right of this two eyeglass is symmetry axially, and this axis of symmetry and display screen center line overlap.
In the preferred embodiment of the present invention, this eyeglass be width greater than the convex lens of beholder's eye widths, with so that when the convex lens move left and right sight line of beholder's eyes all can the scope at convex lens in.
In the preferred embodiment of the present invention, one side cutting of the close pedestal symmetry axis of this convex lens makes the optical axis of eyeglass be partial to the inboard of eyeglass transverse width geometric center.
In the preferred embodiment of the present invention, this pedestal is the work box, offers on this work box and watches mouth, and this convex lens and display screen all are arranged within the work box, this watches mouthful corresponding with convex lens, so that beholder's eyes pass and watch the mouth can be over against convex lens.
In the preferred embodiment of the present invention, comprise that also one can be positioned at the bindiny mechanism of beholder's head, this bindiny mechanism connects work box, and makes mouthful eyes over against the beholder of watching of work box.
In the preferred embodiment of the present invention, also comprise a driving mechanism, this driving mechanism driving display screen simultaneously moves forward and backward and the eyeglass move left and right, wherein, when display screen moves forward, this two convex lens is outwards mobile to separate, and when display screen moved backward, this two convex lens moved inward to approach.
In the preferred embodiment of the present invention, this driving mechanism comprises:
One motor;
One can rotate the runner that is arranged on pedestal, and it connects motor, and is installed with a cam pin on it;
One can before and after be slidingly connected at longitudinal sliding block on the pedestal, its affixed display screen, and about offering on it to fluting, this cam pin is connected within the fluting, makes that cam pin can promote to slide repeatedly before and after the longitudinal sliding block when runner moves in a circle;
One can rotate the breast wheel that is arranged on the pedestal;
One can rotate the combination wheel that is arranged on the pedestal;
One transmission rope, its first end connects longitudinal sliding block, and second end is walked around breast wheel and combination wheel successively, is connected longitudinal sliding block again, makes longitudinal sliding block can drive combination wheel when sliding repeatedly before and after doing and rotates repeatedly; And
Two drive mechanisms, this drive mechanism connects combination wheel and an eyeglass, and this another drive mechanism connects combination wheel and another eyeglass, makes combination wheel do can to drive when rotating repeatedly about eyeglass mobile repeatedly.
In the preferred embodiment of the present invention, this drive mechanism comprises:
Open about establishing on the pedestal to horizontal concrete chute, be equipped with the transverse slider that can horizontally slip flexibly in the horizontal concrete chute, eyeglass is fixedly connected on the transverse slider,
Two can be rotated the fixed pulley that is arranged on the pedestal, arrange about this two fixed pulley and lay respectively at about corresponding transverse slider;
One connecting rope, its first end connects corresponding transverse slider, and second end is walked around a fixed pulley, combination wheel and another fixed pulley successively, is connected this transverse slider again, makes combination wheel do can to drive when rotating repeatedly about transverse slider mobile repeatedly.
In the preferred embodiment of the present invention, this driving mechanism contains combination wheel, and the bull wheel of this combination wheel and steamboat are the curve wheels of involute wheel or other curvilinear characteristics.
The technical program is compared with background technology: because the beholder is when watching the picture of far and near variation, eyes are done the focusing activity of a ciliary muscle and the set separation adjusting activity of eyeball flesh simultaneously, therefore consistent with the normal physiological reaction of people's vision eye muscle, the process that the exercise eye muscle improves vision conforms with nature more, help to improve vision, be difficult for producing the visual fatigue situation.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 has illustrated the operation principle of the visual training glasses of a preferred embodiment of the present invention.
Fig. 2 has illustrated the driving mechanism of the visual training glasses of a preferred embodiment of the present invention.
Fig. 3 is the vertical view of driving mechanism.
Label declaration: pedestal 10, convex lens 20, display screen 30, driving mechanism 40, about to slide block 11, front and back to slide block 12, eyes sight line 50, optical axis 21, motor 41, runner 42, cam pin 43, guiding fluting 44, breast wheel 45, coaxial combination wheel 46, transmission rope 47, connecting rope 48, fixed pulley 49.
The specific embodiment
Please refer to Fig. 1 and Fig. 2, visual training glasses, it comprises a pedestal 10, a bindiny mechanism, two convex lenss 20, a display screen 30 and a driving mechanism 40.
This pedestal 10 comprises that an accommodation space and surrounds the work box of this accommodation space.This work box front offers two and watches mouth, watches between the mouth spacing less than the spacing between beholder's eyes for these two, and this watches mouthful size greater than beholder's eyes size.As required, governor motion can be set and watch mouthful size and two spacings of watching between the mouth in order to adjusting.As required, also can only arrange one and watch mouth, this watches mouthful size greater than beholder's eyes.
Offer on this work box about two levels symmetrical to chute and two symmetrical front and back to chute, these front and back to chute and about perpendicular to chute.This about two respectively be provided with on the chute one can be relatively about to chute horizontally slip about to slide block 11, these two front and back are provided with front and back of sliding before and after the chute before and after can be relatively on the chute to slide block 12.As required, this about two to chute can be communicated with form one long about to chute.
This bindiny mechanism is the wear-type device, and it can be positioned at beholder's head.This pedestal is connected in the bindiny mechanism, and makes when bindiny mechanism is positioned at beholder's head, and this beholder's eyes are over against the mouth of watching of work box.The structure of this bindiny mechanism can be with reference to the applicant's the head hoop at first to file ZL200720008532.5.
This two convex lens 20 is installed in about two respectively on slide block 11, also is that this two convex lens 20 is installed within the work box and can both works the box move left and right relatively to change the spacing between two convex lenss 20.This convex lens 20 with watch mouthful correspondingly watch mouthful can be over against convex lens 20 so that beholder's eyes pass.And the optical axis spacing between this two convex lens 20 can regulate variation, or greater than, be equal to or less than the pupil of both eyes spacing.
These convex lens 20 width are greater than beholder's eye widths (for example the eye widths size is generally about 3cm, then convex lens 20 width optional 5,6 or 7cm), so that the sight line of beholder's eyes all can be in the scope of convex lens 20 when convex lens 20 move left and right.Both cut near one side of pedestal symmetry axis the inboard of this convex lens 20, makes the optical axis of eyeglass be partial to the inboard of eyeglass transverse width geometric center, so that two convex lenss 20 can be more close.Make the sight line of eyes drop on the outside of convex lens optical axis.The geometric center of this convex lens 20 is looked practical situation and can be selected to overlap or select not overlap with the optical axis of convex lens 20.
Before and after being installed in, this display screen 30 on slide block 12, that is to say that this display screen 30 is installed within the work box and the box of working relatively moves forward and backward to change spacing between display screen 30 and the convex lens 20.This display screen 30 is positioned at after two convex lenss 20, so that beholder's eyes can be watched display screen 30 by two convex lenss 20.
This display screen 30 can be the display screen of video players such as MP4, MP5, and the axis of symmetry of center line and this two convex lens 20 overlaps.And the LCDs of this MP4 has enough big size, cooperates the video of the special frame that shows, beholder's eye muscle exercise and amphiblestroid photic stimulation have been tempered well effect.
This driving mechanism 40 is arranged within the work box, and connects two convex lenss 20 and a display screen 30, with so that display screen 30 moves forward and backward and these two convex lenss, 20 move left and right are corresponding synchronously.During this moved: the mobile phase of this two convex lens 20 was axially symmetrical to the axis of symmetry; When display screen 30 when moving near convex lens 20 directions, between this two convex lens 20 away from; When display screen 30 when moving away from convex lens 20 directions, be close between this two convex lens 20.This moves the regulatory function that can train beholder's eyes, and its principle is as follows:
Beholder's eyes sight line 50 places the outside of the optical axis 21 of convex lens 20 respectively.When display screen 30 was moved forward by driving, the picture that planoconvex lens 20 becomes in beholder's sight line also moved forward (also being that the image distance of display screen 30 in beholder's eye diminishes), and human eye is seen image clearly in order to adapt to, the movable crystalline lens focusing of ciliary muscle; In this simultaneously, two convex lenss 20 are subjected to drive and separate with moving right left respectively about this, the picture that planoconvex lens 20 becomes in beholder's sight line accordingly to the right or move left (also being that the picture viewing angle of display screen 30 in beholder's eye becomes big), human eye is seen image clearly in order to adapt to, the set of eyeball muscle movement two sight lines.When display screen 30 was moved by driving backward, the picture that planoconvex lens 20 becomes in beholder's sight line also moved (also being that the image distance of display screen 30 in beholder's eye becomes big) backward, and human eye is seen image clearly in order to adapt to, and the movable crystalline lens of ciliary muscle is focused; In this simultaneously, two convex lenss 20 are subjected to drive respectively to the right and move left approaching about this, the picture that planoconvex lens 20 becomes in people's sight line accordingly left or move right (also being display screen 30 diminishing as viewing angle in beholder's eye), see image clearly in order to adapt to, eyeball muscle movement two sight lines are separated.In above-mentioned moving process, display screen 30 and two convex lenss 20 are slowly mobile repeatedly, and the variation of the shown image speck of display screen, the position of imaging constantly changes on retina, zones different on the retina all are upset, the various coordination fleshes of human eye constantly move simultaneously, activate, temper eye function, help to improve vision.
In the present embodiment, this driving mechanism 40 is arranged within the work box, it comprises that one is installed in the motor 41 of the slow-speed of revolution output within the work box, one can rotate the runner 42 that is arranged in the work box, one is installed in the cam pin 43 of runner 42 eccentric positions, one be opened in before and after on the front-slider 12 about to guiding fluting 44, one can rotate the breast wheel 45 that is arranged in the work box, one can rotate the coaxial combination wheel 46 that is arranged in the work box, one transmission rope 47 and two drive mechanisms, this combination wheel 46 has a co-axially fixed bull wheel and two steamboats, and the gauge tap of this motor 41 is arranged on the surface of work box and controls for the beholder.As required, the power supply of this motor 41 is provided by the battery that can be arranged on the work box.
See shown in Figure 3ly, this motor 41 runner 42 that is in transmission connection, so motor 41 can drive runner 42 and rotate, this runner 42 rotate and can drive cam pin 43 relative runner 42 axis and make circular motion; This cam pin 43 couplings also being connected within the guiding fluting 44, so cam pin 43 circular motion slide repeatedly to slide block 12 front and back before and after can promoting; First end of this transmission rope 47 connects front and back to slide block 12, second end is walked around the bull wheel of breast wheel 45 and combination wheel 46 successively, be connected front and back again to slide block 12, therefore slide repeatedly to slide block 12 front and back and can drive combination wheel 46 positive and negative rotations repeatedly in these front and back, wherein, has enough stiction between this transmission rope 47 and combination wheel 46 bull wheels, so that can driving combination wheel 46, the slip of this transmission rope 47 rotates, certainly for guaranteeing transmission quality, certain point of transmission rope 47 can be fixed on combination wheel 46 bull wheels.
In this two drive mechanism: a drive mechanism connects a steamboat and about of combination wheel 46 to slide block 11, another drive mechanism connects about another steamboat of combination wheel and another to slide block 11, and is mobile repeatedly to slide block about 11 about making combination wheel rotate repeatedly can to drive.This each drive mechanism comprises that all two can be rotated fixed pulley 49 and a connecting rope 48 that is arranged in the work box, this two fixed pulley about 49 arrange and lay respectively at corresponding about to slide block about 11, first end of this connecting rope 48 connect corresponding about to slide block 11, second end is walked around a fixed pulley 49, combination wheel 46 1 steamboats and another fixed pulley 49 successively, be connected again about this to slide block 11, mobile repeatedly to slide block about 11 about making combination wheel 46 rotate repeatedly can to drive.In this two drive mechanism, the winding mode of two steamboats of this two connecting rope 48 and combination wheel 46 is different, so that the glide direction symmetry to slide block 11 is opposite about two.
In the present embodiment, adopt rope and wheel to cooperate to realize the mobile purpose of above-mentioned driving, because the cooperation of rope and wheel is easy to control, changes direction of pull, therefore satisfying under the mobile purpose condition of above-mentioned driving, whole drives structure is simple, and it is little to take up room, and it is easy to control to slide.
In another preferred embodiment, it and the first embodiment difference are: this display screen is picture.
In the 3rd preferred embodiment, it and the first embodiment difference are: remove motor, other is provided with one and stretches out turning cylinder outside the work box for the beholder hand rotation, be in transmission connection runner 42 and can drive runner 42 and rotate of this turning cylinder.
In the 4th preferred embodiment, the bull wheel of combination wheel 46 and steamboat are not the circle wheels, are the involute wheels, or the wheel of other curvilinear characteristics.
The above, only for preferred embodiment of the present invention, so can not limit scope of the invention process with this, i.e. the equivalence of doing according to the present patent application claim and description changes and modifies, and all should still belong in the scope that patent of the present invention contains.
Claims (10)
1. visual training glasses, it is characterized in that: it comprises:
One pedestal;
Two eyeglasses, they are installed on the pedestal and can both move to change spacing between two eyeglasses relative to pedestal, and the moving direction of the relative pedestal of this eyeglass is defined as the move left and right direction; And
One display screen in order to displayed map picture or video, it is installed on the pedestal and can moves to change spacing between display screen and two eyeglasses relative to pedestal, the moving direction of the relative pedestal of this display screen is defined as and moves forward and backward direction, this display location is after two eyeglasses, and beholder's eyes can be watched display screen by two eyeglasses;
This display screen move forward and backward and this eyeglass move left and right corresponding synchronously, so that becoming big time image viewing angle, image distance diminishes, image distance diminishes the change of time image viewing angle greatly, uses so that beholder's eyes are done the focusing activity of a ciliary muscle and the set adjusting activity of eyeball flesh simultaneously.
2. visual training glasses according to claim 1 is characterized in that: the move left and right of this two eyeglass is symmetry axially, and this axis of symmetry and display screen center line overlap.
3. visual training glasses according to claim 2 is characterized in that: this two eyeglass all be width greater than the convex lens of the single eye widths of beholder, with so that when the convex lens move left and right sight line of beholder's eyes all can the scope at convex lens in.
4. visual training glasses according to claim 3, it is characterized in that: the relative pedestal of this two eyeglass axially is symmetrical arranged, this axially axis of symmetry be defined as symmetrical axis; Practising physiognomy of this two convex lens is defined as the inboard to side; Cut on one side of the close pedestal symmetry axis of this convex lens, makes the optical axis of eyeglass be partial to the inboard of eyeglass transverse width geometric center.
5. visual training glasses according to claim 1, it is characterized in that: this pedestal is the work box, offer on this work box and watch mouth, this convex lens and display screen all are arranged within the work box, this watches mouthful corresponding with convex lens, so that beholder's eyes pass and watch the mouth can be over against convex lens.
6. visual training glasses according to claim 5 is characterized in that: comprise that also one can be positioned at the bindiny mechanism of beholder's head, this bindiny mechanism connects work box, and makes mouthful eyes over against the beholder of watching of work box.
7. visual training glasses according to claim 1, it is characterized in that: also comprise a driving mechanism, this driving mechanism driving display screen simultaneously moves forward and backward and the eyeglass move left and right, wherein, when display screen moves forward, this two convex lens is outwards mobile to separate, and when display screen moved backward, this two convex lens moved inward to approach.
8. visual training glasses according to claim 7, it is characterized in that: this driving mechanism comprises:
One motor;
One can rotate the runner that is arranged on pedestal, and this runner connects motor, and is installed with a cam pin on the runner;
One can be slidingly connected at the longitudinal sliding block on the pedestal, glide direction before and after the glide direction of the relative pedestal of this longitudinal sliding block is defined as, the affixed display screen of this longitudinal sliding block, and about offering on the longitudinal sliding block to fluting, this cam pin is connected within the fluting, makes that cam pin can promote to slide repeatedly before and after the longitudinal sliding block when runner moves in a circle;
One can rotate the breast wheel that is arranged on the pedestal;
One can rotate the combination wheel that is arranged on the pedestal;
One transmission rope, its first end connects longitudinal sliding block, and second end is walked around breast wheel and combination wheel successively, is connected longitudinal sliding block again, makes longitudinal sliding block can drive combination wheel when sliding repeatedly before and after doing and rotates repeatedly; And
Two drive mechanisms, this drive mechanism connects combination wheel and an eyeglass, and this another drive mechanism connects combination wheel and another eyeglass, makes combination wheel do can to drive when rotating repeatedly about eyeglass mobile repeatedly.
9. visual training glasses according to claim 8, it is characterized in that: this drive mechanism comprises:
Open about establishing on the pedestal to horizontal concrete chute, be equipped with the transverse slider that can horizontally slip flexibly in the horizontal concrete chute, eyeglass is fixedly connected on the transverse slider,
Two can be rotated the fixed pulley that is arranged on the pedestal, arrange about this two fixed pulley and lay respectively at about corresponding transverse slider;
One connecting rope, its first end connects corresponding transverse slider, and second end is walked around a fixed pulley, combination wheel and another fixed pulley successively, is connected this transverse slider again, makes combination wheel do can to drive when rotating repeatedly about transverse slider mobile repeatedly.
10. visual training glasses according to claim 8 is characterized in that: the bull wheel of this combination wheel and steamboat are the involute wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910111307 CN101836931B (en) | 2009-03-17 | 2009-03-17 | Visual training glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910111307 CN101836931B (en) | 2009-03-17 | 2009-03-17 | Visual training glasses |
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| Publication Number | Publication Date |
|---|---|
| CN101836931A CN101836931A (en) | 2010-09-22 |
| CN101836931B true CN101836931B (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910111307 Expired - Fee Related CN101836931B (en) | 2009-03-17 | 2009-03-17 | Visual training glasses |
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| CN (1) | CN101836931B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102038596B (en) * | 2011-01-28 | 2013-01-09 | 中山大学中山眼科中心 | Vision training instrument capable of regulating and controlling stimulating light sources and implementation method of vision training device |
| CN103284868B (en) * | 2012-08-31 | 2016-02-17 | 钟磊 | Mobile phone therapeutic instrument for shortsightedness |
| CN104780887B (en) * | 2013-09-03 | 2017-04-05 | 倪国庆 | Magazine optical module and the visual therapentic instrument using the magazine optical module |
| CN104434475A (en) * | 2013-09-16 | 2015-03-25 | 沈华豹 | Ciliary muscle training device |
| CN104367450B (en) * | 2014-10-22 | 2016-08-24 | 北京星辰万有科技有限公司 | A kind of wear-type myopia physiotherapeutic apparatus |
| CN105517626B (en) * | 2014-11-20 | 2018-09-14 | 倪国庆 | The control method of vision training apparatus and the vision training apparatus |
| CN104739623B (en) * | 2015-04-08 | 2016-08-24 | 许文龙 | Cloud Intelligent eyesight regulation device for healing and training |
| CN104970954A (en) * | 2015-06-26 | 2015-10-14 | 李德一 | Comprehensive physical exercise device of antimetropia |
| CN106265005A (en) * | 2016-07-20 | 2017-01-04 | 李成新 | A kind of Novel ocular health-care appliance and application process |
| EP3530242B1 (en) * | 2016-12-15 | 2021-05-19 | Edenlux Corporation | Vision training device for recognition correction |
| CN108379042B (en) * | 2018-04-10 | 2024-04-12 | 中国人民解放军陆军军医大学第一附属医院 | Head-wearing visual function training device |
| CN108670751B (en) * | 2018-05-23 | 2019-09-27 | 广东省维视康科技有限公司 | A kind of ophthalmic patient's vision rehabilitation training equipment |
| CN110623821B (en) * | 2018-06-21 | 2021-11-05 | 北京星辰万有科技有限公司 | Immersion type myopia physiotherapy device |
| KR102120208B1 (en) * | 2018-10-11 | 2020-06-08 | 김재형 | Apparatus for training eye movement and method for operating the same |
| CN109683337A (en) * | 2019-02-21 | 2019-04-26 | 程立军 | A kind of vision-protecting device |
| CN113267905A (en) * | 2021-04-09 | 2021-08-17 | 深圳前海竹间智慧科技有限公司 | Intelligent glasses system for vision training |
| CN113204120A (en) * | 2021-05-26 | 2021-08-03 | 怀智悦 | Intelligent glasses of multi-functional rehabilitation training |
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| CN201122196Y (en) * | 2007-10-23 | 2008-09-24 | 陆健 | Sight protection lens |
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| JP3148791B2 (en) * | 1994-04-13 | 2001-03-26 | シャープ株式会社 | Visual acuity recovery device using head-mounted display device |
| JP4300844B2 (en) * | 2003-03-28 | 2009-07-22 | 株式会社ニコン | Eye function training device |
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| DE3700739A1 (en) * | 1987-01-13 | 1988-07-21 | Eht Entwicklungsgesellschaft F | Device for accommodation training of the human eye |
| CN2576217Y (en) * | 2002-11-05 | 2003-10-01 | 程立军 | Therapeutic instrument for myopia |
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| CN201122196Y (en) * | 2007-10-23 | 2008-09-24 | 陆健 | Sight protection lens |
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| CN101836931A (en) | 2010-09-22 |
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