CN202961087U - Progressive blurred vision training system - Google Patents

Progressive blurred vision training system Download PDF

Info

Publication number
CN202961087U
CN202961087U CN201220443222.7U CN201220443222U CN202961087U CN 202961087 U CN202961087 U CN 202961087U CN 201220443222 U CN201220443222 U CN 201220443222U CN 202961087 U CN202961087 U CN 202961087U
Authority
CN
China
Prior art keywords
progressive
degree
vision
mist
picture frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201220443222.7U
Other languages
Chinese (zh)
Inventor
刘英顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201220443222.7U priority Critical patent/CN202961087U/en
Application granted granted Critical
Publication of CN202961087U publication Critical patent/CN202961087U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Rehabilitation Tools (AREA)

Abstract

The utility model provides a progressive blurred vision training system which comprises a pair of progressive blurred vision correction spectacles, a display device and a display driving device, wherein the display driving device is used for generating a dynamic spiral strip image and inputting the dynamic spiral strip image into the display device to for displaying; the pair of progressive blurred vision correction spectacles comprises a spectacle frame and various different specifications of lenses; the lenses comprise spherical lenses, prismatic lenses and cylindrical lenses and are detachably mounted in the lens frames of the spectacle frame; and the pair of progressive blurred vision correction spectacles is used for being worn by a trainee during vision training and enabling the trainee to fixedly gaze the dynamic spiral strip image displayed in the display device. The progressive blurred vision training system has the advantages of high inclusiveness, high individuation degree, good effect and low probability of rebound, meets the requirements of vision care of students in middle and primary schools in a large area, and can quickly eliminate pseudomyopia, effectively prevent or delaying the deepening of axial myopia and improve the vision of naked eyes of myopic people.

Description

Progressive mist is looked vision-training system
Technical field
This utility model relates to a kind of progressive mist and looks vision-training system.
Background technology
Since reform and opening-up, along with the General Promotion of China's economy and cultural construction, teen-age near-sighted sickness rate is also soaring year by year, and especially students in middle and primary schools' rate of myopia is high especially, has had a strong impact on China's physique of the nation people.For checking the raising of adolescent myopia rate, method and the instrument of various prevention and treatment myopia appearred, as acupuncture-moxibustion, massage, magnetic therapy, pharmacotherapy, optical visual stimulating exercise etc. on market.Yet these methods and instrument are not considered myope's individual difference, cause prevention and therapeutic effect not fully up to expectations.
Myopia forms the reason whole world is not finalized so far yet, and the theory of adjusting and form deprivation theory are arranged in theory at present comparatively prevailing.Be which kind of theory is all emphasized, long-time close eye is the origin cause of formation that causes myopia.Generally, be exactly teenager in developmental process, due to long-time close eye, as reading, see computer, play games etc., produce asthenopia, at first can cause pseudomyopia, then develop into true myopia, and the number of degrees rise year by year.So the most effective means of prevention and treatment myopia are in fact very simple: that is exactly to look in the distance for a long time in a large number.It is namely clear proof that child on the grassland rarely has myopia.But problem is, modern society is increasingly competitive, and teenager is in its stage of growth, to face the pressure of going to school very early, the prosperity of modern Information of Science and Technology in addition makes teenager be in for a long time to attend class, read a book, see TV, plays computer, plays the state of mobile phone, goes seldom if having time initiatively to look in the distance; Simultaneously, the modern metropolitan cities skyscraper encloses the residential district that forms, and has limited again them from the space and has gone to look in the distance.So, originally very simply look in the distance, but become the thing of a luxury for the teenager that is in modern society.
Many instrument and methods of looking the control myopia that therapy (i.e. simulation look in the distance principle) design according to traditional mist are arranged at present on the market, and its shortcoming is: 1, the patient is when training, and the excitement levels of visual cortex cell is inadequate, causes effect barely satisfactory; 2, all patients only use a kind of normal position of spherical lens of the number of degrees, and each myope's diopter, eyes muscular fatigue degree, regulating power, naked vision and body constitution own vary, and this way regardless of individual variation, effect are obviously undesirable; 3, training strength according to high gradual mode after first hanging down, does not cause patient's bad adaptability.
The utility model content
The purpose of this utility model is that the progressive mist that provides a kind of different situations according to the myope to carry out visual exercise looks vision-training system and using method thereof.
For this reason, this utility model is by the following technical solutions:
A kind of progressive mist is looked vision-training system, comprises that progressive mist looks correction mirror, display device and display drive apparatus, and described display drive apparatus is used for generating a dynamic screw stripe pattern, and is entered in display device and shows; Described progressive mist is looked the eyeglass that correction mirror comprises mirror holder and multiple different size, and described eyeglass comprises spherical lens, prismatic lens and cylindrical lens, and eyeglass is removably installed in the picture frame of mirror holder; Progressive mist is looked correction mirror and is used for wearing for the trainer when carrying out visual exercise, to stare at the dynamic screw stripe pattern that shows in display device.
That described dynamic screw stripe pattern comprises is descending, by bottom to outer at least three barber-pole stripes groups that stack gradually, described barber-pole stripes group is made of the light and dark striped that is radial rotation distortion, and the center of rotation of all barber-pole stripes groups is overlapping; Each barber-pole stripes group in the dynamic screw stripe pattern is that continuous rotating motion, and the direction of rotation of adjacent two barber-pole stripes groups is opposite, and the direction of twist of each barber-pole stripes group is consistent with self direction of rotation.
Described mirror holder comprises left picture frame, right picture frame and pupillary distance adjusting device, left picture frame and right picture frame are connected to two links of pupillary distance adjusting device, left picture frame and right picture frame place are connected with respectively a bracing ring, described bracing ring is provided with many eyeglass grooves, and eyeglass is removably installed in the eyeglass groove; Described spherical lens, prismatic lens and cylindrical lens stack combinations are installed in same bracing ring.
Described prismatic lens is prism, and when being installed in the eyeglass groove, its substrate is towards the mirror holder middle part, and the drift angle of prismatic lens is 5.5 ° to 6 °.
Described spherical lens is normal position of spherical lens, its number of degrees specification comprises 100 degree, 150 degree, 175 degree, 200 degree, 225 degree, 250 degree, 270 degree and 300 degree, and corresponding naked vision is that 0.08 ~ 0.1,0.1 ~ 0.15,0.15 ~ 0.3,0.3 ~ 0.4,0.4 ~ 0.6,0.6 ~ 0.8,0.8 ~ 1.2 and 1.2 ~ 2.0 myope uses respectively.
It is a kind of optical instruments such as the different spherical lens of dynamic screw stripe pattern, the number of degrees, cylindrical lens, prismatic lens that adopted that progressive mist that this utility model provides is looked vision-training system, combine optic nerve excitedly stimulate, near, in, the remote simulation eye muscle training system of improving of multiple programs such as look in the distance.By allowing the normal position of spherical lens of the different number of degrees of patient wear and the combined lens of prism, stimulate the brain optic nerve excited by staring at the dynamic screw stripe pattern, add the different sighting distances of up conversion, progressively strengthen the intensity that simulation is looked in the distance, the final eyes muscular fatigue of alleviating, mutual modulability and the crystal elasticity of recovery dioptric system.Its advantage be comprehensive strong, personalized degree is high, effective and difficult bounce-back.Be applicable to the vision care requirement of students in middle and primary schools' related preventive in the large tracts of land scope.Can eliminate rapidly pseudomyopia, also can effectively stop or delay it to axial myopia and deepen, and improve myope's naked vision.
Description of drawings
Fig. 1 is the structural representation that progressive mist of the present utility model is looked vision-training system.
The dynamic screw stripe pattern schematic diagram that Fig. 2 provides for this utility model.
Fig. 3 is that progressive mist of the present utility model is looked the structural representation of correction mirror.
Fig. 4 is the image-forming principle schematic diagram that progressive mist of the present utility model is looked correction mirror.
The specific embodiment
The purpose of this utility model is to provide a kind of progressive mist of preventing and treating myopia to look vision-training system, by patient's eye training, can improve vision, pre-myopia prevention and prevent near-sighted intensification.Its principle is adjusting theory and the form deprivation theory that forms according to myopia, adopt and build the look far away environment opposite with myopia formation environment, and utilize dynamic screw stripe pattern stimulating visual cortex cell, by allowing the spherical lens of the different number of degrees of patient wear and the combined lens of prismatic lens, add the different sighting distances of up conversion, progressively strengthen the intensity that simulation is looked in the distance, finally alleviate eyes muscular fatigue, recover mutual modulability and the crystal elasticity of dioptric system.
Below in conjunction with accompanying drawing and specific embodiment, this utility model is described in further detail.
A kind of progressive mist that this utility model embodiment provides is looked vision-training system as shown in Figure 1, and it comprises that progressive mist looks correction mirror 1, display device 2, display drive apparatus 3, eye massage device and sight list box (not shown).Described display device 2 can be display screen, and described display drive apparatus 3 can be the electronic equipment that PC, panel computer or PDA etc. can carry out the image/video storage and play.Described display drive apparatus 3 can be input to a dynamic screw stripe pattern in display device 2 and show.The myope can improve by the massage of eye massage device the inner blood circulation of eyeball, loosens spasm of ocular muscles, reduces intraocular pressure, improves sympathetic excitability, recovers eye each one and organizes the normal anatomy position; Then look rotating dynamic screw stripe pattern in the display device 2 that correction mirror 1 stares at a distance by the progressive mist of wearing the different number of degrees, stimulate the optic cell irritability, recover retinal sensitivity, reach the effect that simulation is looked in the distance; After staring at certain hour, look the distance of thing by change, change into and point out about 3m sight list box at a distance by staring at in-plant display device 2, and then change again unlimited distance into, reach the effect that progressively enhancing is looked in the distance, reach and increase the purpose of looking.
The mankind's brain visual cortex cell has the contrast sensitivity of height to certain spatial frequency (contrasting the number of the repeated arrangement of strong light and shade light in the unit visual angle), spatial frequency is higher, more the activity reaction of energy stimulating visual cortex cell.Utilize the rotation of chequered with black and white stripe pattern, can make human eye be subject to the stimulation of different space frequency and contrast on each orientation, most of cortex cell receptors in human eye are stimulated definitely, make their functional rehabilitation, reach the purpose that improves vision.Traditional stripe pattern generally all is applied on the mechanical type rotating disk, takes up room large and uses inconvenience.Yet, on display screen during the show bar print image, because the vision of human eye stops factor, sluggish sense can appear, greatly affect it to the effect of stimulation of visual cortex cellular activity.
This utility model embodiment has designed dynamic screw stripe pattern as shown in Figure 2 for this reason.That described dynamic screw stripe pattern comprises is descending, by bottom to high-rise stack gradually first to triple helical striped group, described barber-pole stripes group is made of the light and dark striped that is radial rotation distortion, and the center of rotation of all barber-pole stripes groups is overlapping; Each barber-pole stripes group in the dynamic screw stripe pattern is that continuous rotating motion, and the direction of rotation of adjacent two barber-pole stripes groups is opposite, and the direction of twist of each barber-pole stripes group is consistent with self direction of rotation.In the present embodiment, be positioned at top the first barber-pole stripes group 201 and turn clockwise, the second barber-pole stripes group 202 that is positioned at the middle level is rotated counterclockwise, and the triple helical striped group 203 that is positioned at the bottom turns clockwise.It has eliminated the sluggishness sense of stripe pattern; Simultaneously, its center of rotation also can form the effect that goes far gradually, and has strengthened the effect that simulation is looked in the distance; In addition, can also be well in 360 ° of visual field plane of living in stimulating visual cortex cell isotropically.
Under the stimulation of stripe pattern, the visual cortex cell is fully excited, at this moment, the divergent rays zoom of in-plant image directive eyes can be become parallel or approximately parallel light by wearing normal position of spherical lens.Penetrating because of distant objects the light that comes is exactly directional light, like this, wear normal position of spherical lens and see closely thing just is equivalent to and look in the distance, and ciliary muscle is in diastole state when looking in the distance, and has avoided asthenopic generation.Here it is, and mist is looked the ultimate principle of therapy.
But problem is, traditional mist is looked therapy, all patients only used the normal position of spherical lens (approximately 200 ~ 300 degree) of the same number of degrees, do not consider each myope's individual difference, and effect is barely satisfactory.As the people that body weight differs greatly, the dosage of its medication also should be different the same.Moreover, human eye is when seeing near objects, and except ciliary muscle will shrink adjusting, eyes also can inward turning, converge like the spokes of a wheel at the hub increase.
For this reason, this utility model provides a kind of progressive mist as shown in Figure 3 to look correction mirror 1, it comprises the eyeglass (not shown) of mirror holder 100 and multiple different size for changing, and described mirror holder 100 comprises left picture frame 101, right picture frame 102 and pupillary distance adjusting device 103.Left picture frame 101 and right picture frame 102 are connected to two links of pupillary distance adjusting device 103, the distance of 103 liang of links of described pupillary distance adjusting device can be adjusted by the knob 104 that arranges thereon, to adjust the distance of left picture frame 101 and right picture frame 102, change the interpupillary distance of mirror holder 100.Left picture frame 101 and right picture frame 102 places are connected with respectively a bracing ring 110, and described bracing ring 110 is provided with many eyeglass grooves 111, and eyeglass is removably installed in the eyeglass groove 111 of bracing ring 110.Described eyeglass comprises spherical lens, prismatic lens and cylindrical lens, can be installed on respectively in three eyeglass grooves 111 of bracing ring 110.Described prismatic lens is prism, and when being installed in eyeglass groove 111, its thicker base side is towards the centre of left picture frame 101 and right picture frame 102.Preferably, the drift angle of prismatic lens is 5.8 °.Described spherical lens is normal position of spherical lens, its number of degrees specification comprises 100 degree, 150 degree, 175 degree, 200 degree, 225 degree, 250 degree, 270 degree and 300 degree, and corresponding naked vision is that 0.08 ~ 0.1,0.1 ~ 0.15,0.15 ~ 0.3,0.3 ~ 0.4,0.4 ~ 0.6,0.6 ~ 0.8,0.8 ~ 1.2 and 1.2 ~ 2.0 myope uses respectively.
Progressive mist of the present utility model is looked correction mirror 1 in use, and for the patient of different diopters and naked vision, the spherical lens of the replaceable different number of degrees is to adapt to different vision situations.Increase in order to eliminate converge like the spokes of a wheel at the hub caused adjusting, can increase the inside prismatic lens of substrate on the basis of spherical lens, thereby remove converge like the spokes of a wheel at the hubly, loosen adjusting.For the myope with astigmatism, also can pack into for the cylindrical lens of astigmatism in eyeglass groove 111.
As shown in Figure 4, look correction mirror 1 when looking thing when the myope wears progressive mist, the scattered light of closer object directive eyeball 301 is directional light by spherical lens 303 zooms, then passes through the refraction of prismatic lens 302, makes directional light perpendicular to eyeball 301.At this moment, eyeball 301 sees that closer object just is equivalent to look at straight object at a distance.Training and rectification through long-term can effectively prevent and slow down myopia.
This utility model embodiment also provides a kind of progressive mist to look the using method of vision-training system, comprises the following steps:
Before S101, training beginning, first test naked vision, so that the vision after completing with training compares.
S102, used the eye massage device massaging eyes 5 minutes, high myopia person avoids and uses masseur.
S103, select to be assembled into the progressive mist of Extraordinary and to look correction mirror 1 on eyeglass groove 111 that corresponding spherical lens and prismatic lens be installed to mirror holder 100 according to myope's vision situation; Naked vision is 0.08 ~ 0.1,0.1 ~ 0.15,0.15 ~ 0.3,0.3 ~ 0.4,0.4 ~ 0.6,0.6 ~ 0.8,0.8 ~ 1.2 and 1.2 ~ 2.0 the myope corresponding spherical lenss of selecting 100 degree, 150 degree, 175 degree, 200 degree, 225 degree, 250 degree, 270 degree and 300 degree respectively; When the myope has interior exotropia's symptom, can reduce or increase the interpupillary distance 2mm of mirror holder 100, and the specification of prismatic lens or cylindrical lens is selected in corresponding adjustment; When the myope has astigmatic symptom, install the cylindrical lens of corresponding astigmatism degree additional in eyeglass groove 111, strengthen the training effect.When wearing for the first time progressive mist and looking correction mirror 1, in time adjust to the suitable number of degrees according to myope's sensation.
S104, open display device 2 and display drive apparatus 3, display drive apparatus 3 is input to the dynamic screw stripe pattern in display device 2 and dynamically shows.
S105, myope wear the progressive mist that assembles in step S103 and look correction mirror 1 and stare at dynamic screw stripe pattern 30 to 40 minutes in display device 2, and eye is 45 ~ 50cm to the distance of dynamic screw stripe pattern.When staring at, keep correct sitting posture, not blink.
S106, with prismatic lens and cylindrical lens removal, only keep the spherical lens of the corresponding number of degrees, the myope only wears and to look correction mirror 1 with the progressive mist of spherical lens and point out 3m sight list box at a distance 5 minutes.During training, strive allowing the patient try one's best and recognize the symbol of the visual acuity chart on sight list box, reach the optimum training effect.
S107, myope only wear and look correction mirror 1 with the progressive mist of spherical lens, and to balcony or stared at unlimited distance outside window 10 minutes, it is good generally selecting green plants.So far training strength reaches the highest, and eye muscle is fully loosened, and the elasticity of crystal is also recovered.
S108, the rest 10 minutes of closing one's eyes.
S109, test naked vision, the vision front with training compares.Different people is different to the sensitivity of this training, and some patient's naked visions improve very fast, and some is slower, and this is that individual variation causes.Can the local link of training process suitably be adjusted by the raising of vision before and after comparative training, to improve the training effect.
In sum, it is a kind of optical instruments such as the different spherical lens of dynamic screw stripe pattern, the number of degrees, cylindrical lens, prismatic lens that adopted that progressive mist that this utility model provides is looked vision-training system, combine optic nerve excitedly stimulate, near, in, the remote simulation eye muscle training system of improving of multiple programs such as look in the distance.By allowing the normal position of spherical lens of the different number of degrees of patient wear and the combined lens of prism, stimulate the brain optic nerve excited by staring at the dynamic screw stripe pattern, add the different sighting distances of up conversion, progressively strengthen the intensity that simulation is looked in the distance, the final eyes muscular fatigue of alleviating, mutual modulability and the crystal elasticity of recovery dioptric system.Its advantage be comprehensive strong, personalized degree is high, effective and difficult bounce-back.Be applicable to the vision care requirement of students in middle and primary schools' related preventive in the large tracts of land scope.Can eliminate rapidly pseudomyopia, also can effectively stop or delay it to axial myopia and deepen, and improve myope's naked vision.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to this utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.

Claims (4)

1. a progressive mist is looked vision-training system, it is characterized in that, comprises that progressive mist looks correction mirror, display device and display drive apparatus, and described display drive apparatus is used for generating a dynamic screw stripe pattern, and is entered in display device and shows; Described progressive mist is looked correction mirror and is comprised mirror holder and eyeglass, and described eyeglass comprises spherical lens, prismatic lens and cylindrical lens, and eyeglass is removably installed in the picture frame of mirror holder; Progressive mist is looked correction mirror and is used for wearing for the trainer when carrying out visual exercise, to stare at the dynamic screw stripe pattern that shows in display device.
2. progressive mist according to claim 1 is looked vision-training system, it is characterized in that, described mirror holder comprises left picture frame, right picture frame and pupillary distance adjusting device, left picture frame and right picture frame are connected to two links of pupillary distance adjusting device, left picture frame and right picture frame place are connected with respectively a bracing ring, described bracing ring is provided with many eyeglass grooves, and eyeglass is removably installed in the eyeglass groove; Described spherical lens, prismatic lens and cylindrical lens stack combinations are installed in same bracing ring.
3. progressive mist according to claim 2 is looked vision-training system, it is characterized in that, described prismatic lens is prism, and when being installed in the eyeglass groove, its substrate is towards the mirror holder middle part, and the drift angle of prismatic lens is 5.5 ° to 6 °.
4. progressive mist according to claim 1 is looked vision-training system, it is characterized in that, described spherical lens is normal position of spherical lens, its number of degrees specification comprises 100 degree, 150 degree, 175 degree, 200 degree, 225 degree, 250 degree, 270 degree and 300 degree, and corresponding naked vision is that 0.08~0.1,0.1~0.15,0.15~0.3,0.3~0.4,0.4~0.6,0.6~0.8,0.8~1.2 and 1.2~2.0 myope uses respectively.
CN201220443222.7U 2012-09-03 2012-09-03 Progressive blurred vision training system Expired - Lifetime CN202961087U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220443222.7U CN202961087U (en) 2012-09-03 2012-09-03 Progressive blurred vision training system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220443222.7U CN202961087U (en) 2012-09-03 2012-09-03 Progressive blurred vision training system

Publications (1)

Publication Number Publication Date
CN202961087U true CN202961087U (en) 2013-06-05

Family

ID=48502226

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201220443222.7U Expired - Lifetime CN202961087U (en) 2012-09-03 2012-09-03 Progressive blurred vision training system

Country Status (1)

Country Link
CN (1) CN202961087U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104414616A (en) * 2013-08-27 2015-03-18 庄臣及庄臣视力保护公司 Means and method for demonstrating the effects of low cylinder astigmatism correction
CN107811605A (en) * 2017-12-07 2018-03-20 泉州圆创机械技术开发有限公司 A kind of adjustable sight test means of ophtalmic treatments

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104414616A (en) * 2013-08-27 2015-03-18 庄臣及庄臣视力保护公司 Means and method for demonstrating the effects of low cylinder astigmatism correction
US10064547B2 (en) 2013-08-27 2018-09-04 Johnson & Johnson Vision Care, Inc. Means and method for demonstrating the effects of low cylinder astigmatism correction
CN104414616B (en) * 2013-08-27 2019-02-19 庄臣及庄臣视力保护公司 Device and method for confirming the effect of low cylindrical mirror astigmatism correction
CN107811605A (en) * 2017-12-07 2018-03-20 泉州圆创机械技术开发有限公司 A kind of adjustable sight test means of ophtalmic treatments
CN107811605B (en) * 2017-12-07 2019-06-11 李殿光 A kind of adjustable sight test means of ophtalmic treatments

Similar Documents

Publication Publication Date Title
CN201752480U (en) Eye caring instrument
CN106054403A (en) Glasses having dynamic slight defocusing and zooming functions in emmetropia direction
CN106646916A (en) Glasses having dynamic zooming function along emmetropia direction and application method thereof
CN105030496A (en) Visual system bionic training instrument having function of adjustable emmetropia out-of-focus glasses
CN201710601U (en) Comprehensive eye function treatment trainer
CN204890521U (en) Eyes trainer
CN103356367A (en) Comprehensive bionic training system for eye diseases such as myopia
CN103892997A (en) Visual training system suitable for being used together with handheld device
CN104382729A (en) Vision correction training system and method
WO2005063153A1 (en) Device for preventing and treating myopia
CN102908242B (en) Progressive fogging vision training system and using method thereof
CN202961087U (en) Progressive blurred vision training system
CN201681529U (en) Ametropia presentation device for seeing from long or short distance
CN103048804A (en) Intelligent eye position myoporthosis spectacles
CN206453898U (en) A kind of intelligent opto-electrical treatment myopia, amblyopia visual accommodation device
CN107661199A (en) A kind of eye eyesight restoration methods
CN201701369U (en) Device for curing amblyopia and nearsightedness
CN103156759A (en) Visual function manual operation training instrument
CN206120553U (en) A glasses for treating stravismus
CN202875753U (en) Asymptotic scieropia treatment glass
CN201524175U (en) Myopia correcting eyeglasses with composite lens and combined myopia correcting eyeglasses
CN203539525U (en) Traditional Chinese and western medicine comprehensive myopia prevention and treatment system instrument
CN101683298A (en) Visual acuity training system for breaking through pathological, physiological and psychological inertia of eye diseases of myopia, and the like
CN210864238U (en) Full-fusion difference light area physiotherapy glasses
CN202339453U (en) Special spectacles for controlling myopia and reducing degree

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130605