CN104306102B - For the wear-type vision-aided system of dysopia patient - Google Patents
For the wear-type vision-aided system of dysopia patient Download PDFInfo
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- CN104306102B CN104306102B CN201410531536.6A CN201410531536A CN104306102B CN 104306102 B CN104306102 B CN 104306102B CN 201410531536 A CN201410531536 A CN 201410531536A CN 104306102 B CN104306102 B CN 104306102B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
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Abstract
The invention provides a kind of wear-type vision-aided system for dysopia patient, including：For the wearing type glasses support installed and connected all parts of the system and facilitate user to wear；It is respectively used to show the images of left and right eyes display panel of left-and right-eye images；The two-way image capture device of image is gathered with the visual angle of human eye；For detecting external environment condition and checking each sensor of glasses state；For the overall control of the system, collection, processing and the Projection Display of image, the receiving and processing of sensing data, and the data processing centre that related image processing algorithm is realized；The supporting image processing program to strengthen its vision designed for dysopia patient, and in order to treat training and the rehabilitation procedure designed by different vision illnesss.System of the present invention can gather reality scene in real time, and the image collected is handled, and be shown in the mode that dysopia patient is more receptive, reach the purpose of auxiliary vision.
Description
Technical field
The present invention relates to vision ancillary technique field, in particular it relates to which a kind of wear-type for dysopia patient is regarded
Feel accessory system.
Background technology
Dysopia, also known as " with visual disabilities ", " defects of vision ", " vision impairment ", refer to cause vision by a variety of causes
Part or all of obstacle occurs for the construction or function of organ (including eyeball, ophthalmic nerve) and brain optic nerve maincenter, shows as double
The different degrees of vision impairment of eye or the visual field reduce, and are difficult to common people institute energy work taken up, study and other activities,
So that limiting or hindering the normal effect that can be played with cultural climate according to its age, sex, society.
According to the estimation of the World Health Organization, there is blind person 4,000 ten thousand to 4,500 ten thousand in the whole world, and low visual acuity population is the 3 of blind person
Times, about 1.4 hundred million people.In the disabled person of China more than 8,300 ten thousand, people 12,330,000 with visual disabilities, blind person about 5,000,000, and low visual acuity population is about
7100000, it is one of blind person and the most populous country of low visual acuity in the world.Them how are solved normally to learn, work and live
Problem turns into the focus of social concerns.
Dysopia is due to congenital or the reason day after tomorrow causes the part or all of loss of function of vision system, so that can not
Things carries out accurate recognition to external world.According to relevant regulations, vision is not up to 0.3, or visual field person within 20 ° is vision barrier
Hinder.Different according to obstacle degree, dysopia can be divided into two classes:Two eye vision measured values more than 0.03 not up to 0.3 or its
The visual field is amblyopia within 20 °；Two eye vision measured values are not total blindness up to 0.03.Amblyopia crowd can generally be carried out using vision
Daily life, but having certain obstacle depending on object space face, generally require by optical aid or special multiplying arrangement to see
Examine things.But amblyopia also has very big difference in itself：It is existing to lack relief, to light sensitive, it is impossible to recognize color,
Also there is the visual field excessively narrow.So the optical aid or special multiplying arrangement that need also have very big difference.Total blindness crowd
Vision can not be then relied on completely and carries out daily life, be typically only capable to take alternative to carry out daily life.For example, utilizing tactile
Auxiliary equipment, sense of hearing auxiliary equipment and other type auxiliary equipments substitute vision.It can be said that dysopia crowd needs is auxiliary
It is most to help technology and equipment.Most of Information barrier-free technology and equipments can be applied to dysopia crowd.Almost
All people with visual disabilities can to some extent be improved the quality of living by auxiliary implement compensation function, participate in society raw
It is living.However, secondary sample investigation is shown, auxiliary implement service is obtained in the people with visual disabilities of China only accounts for 7.97%；Its
Middle city 14.49%, rural area 5.82%.
Dysopia auxiliary implement can be divided into sense of vision and the major class of non-vision Sex apparatus two：
Sense of vision accessory refers to by visual pathway visually impaired person can be helped to improve the device of visual capacity, divided again
For optics, the non-optical, class of electronic viewing aid three.Optical visual aid is relatively common, there is hand-held, stand magnifier, spectacle, list
Cylinder, binoculars etc..Optical visual aid have easily be convenient to use and carry, the low feature of price, be also that low visual acuity patient makes
Main typoscope tool；But it uses upper limitation there is also some, such as multiplication factor is low, and reading range is small, makes for a long time
With that posture can be caused bad, it can be influenceed by light source.Non-optical typoscope, the environment referred to around by improving regards to improve
Feel effect.Such as：The printed matter of amplification reads the size of thing to change, and the irradiator of high intensity is to increase contrast, high-contrast
Object in favor of differentiation of local article etc..Electronic viewing aid is a kind of electronic video device, can be by the file of reading, figure
Image is sent on screen and browsed for user by phtographic lens by piece, article of observation etc..Electronic viewing aid species is rich
Richness, including：See it is remote, see near (amplification), it is near remote dual-purpose, it is pouch-type, portable etc..Be characterized in enlargement ratio,
Brightness, contrast etc. are conveniently adjusted, and are avoided that the generation of dazzle；Highlight, the plurality of display modes such as half coloured silk；Meet ergonomics
Design, it is possible to provide larger working space etc..
Non-vision typoscope, refer to the function of making full use of Beyond Vision, and such as sense of hearing, tactile function make up visual performance
Defect so as to improve the auxiliary implement of visually impaired person's life quality, be related to visually impaired person life, work, study, amusement etc.
Every aspect.For example：Mobile phone for blind user and phone, sounding clock and watch for daily life；Blind man's stick, sidewalk for visually impaired people for trip；With
Braille, point aobvious device, talking book, various reading screen softwares in learning and communication etc..This kind of accessory, the patient of total blindness uses more.
In summary, the ancillary technique and equipment that different dysopia crowds need also are had nothing in common with each other.Existing species is numerous
The features such as miscellaneous dysopia auxiliary implement functional single, poor expandability, do not meet it is easy-to-use, applicable, simple it is portable, can expand
The principles such as exhibition.
The content of the invention
For defect of the prior art, regarded it is an object of the invention to provide a kind of wear-type for dysopia patient
Feel accessory system, the system can gather reality scene in real time, the image collected be handled and with dysopia patient
More receptive mode is shown, is improved the ability that dysopia patient obtains visual information, is reached the purpose of auxiliary vision.
To realize object above, the present invention provides a kind of wear-type vision-aided system for dysopia patient, bag
Include：
Wearing type glasses support, for installing and connecting all parts of system and facilitate user to wear；
On display panel, the picture frame for being embedded in wearing type glasses support, for display image；
Image capture device, is arranged on wearing type glasses support；
Multiple sensors, for detecting external information and glasses status and transmitting a signal to data processing centre；
Data processing centre, the data processing centre is used for the overall control of system, includes the figure of image capture device
Collection, processing and the display of display panel of picture, the receiving and processing of sensing data；Image procossing therein by image at
Manage module to realize, the image processing module gathers image from image capture device in real time, and handles the image of collection,
For the different sufferer types of dysopia patient, image is handled using image procossing and machine vision algorithm, will be located
Image after reason is shown in real time in the more receptive form of dysopia patient, so as to reach the purpose of vision auxiliary.
Preferably, the display of the system is that eyes are shown or simple eye display；Described image collecting device is that binary channels is adopted
Collection or single channel collection；If simple eye, single channel, the display panel, image capture device are all only needed to all the way.
Further, if eyes, binary channels, the display panel, image capture device are then left and right two-way, i.e.,：
The display panel includes：
Left-eye display panel, is embedded on the left eye picture frame of wearing type glasses support, for showing left-eye image；
Right-eye display panel, is embedded on the right eye picture frame of wearing type glasses support, for showing eye image；
The two-way image capture device, is made up of two minisize pick-up heads, is distributed in the left and right of wearing type glasses support
Both sides.
Preferably, the display mode of the system is projection or non-projection；If shown using projection, the system
System also includes projection arrangement, and on a display panel, certain distance forms virtual image to projection device in front of human eye；Institute
Projection arrangement is stated for all the way or left and right two-way；If using non-projection display mode, image is directly displayed at display panel
Screen on.
It is highly preferred that the display panel of the non-projection display mode can be high-definition liquid crystal display screen or
LED dot matrix display, the selection of display is adjusted according to the sufferer actual conditions of patient.
If it is highly preferred that using projection display mode display panel using can penetration, projection on a display panel
The image of formation is superimposed the effect for reaching vision enhancement with reality scene.
Preferably, the display of the system can be that eyes can also be simple eye；Image capture device can be binary channels
Collection can also be single channel collection.
Preferably, described two-way image capture device gathers the real field that images of left and right eyes is seen respectively with the visual angle of human eye
Scape, is projected on the left and right display panel in real time after the data processing centre is handled.
Preferably, described data processing centre's image processing algorithm is different according to required function, and has different settings；
There are different image processing algorithms to correspond to therewith for different patients.
Compared with prior art, the present invention has following beneficial effect：
The present invention is wearable device, have the advantages that it is simple it is portable, easily extend, dysopia patient can be allowed in day
Often used in life；Meanwhile, intelligent controller is employed, in addition to vision miscellaneous function, its of smart machine can also be possessed
His function；In addition, hardware disclosed in this invention can as a dysopia auxiliary implement platform, for different type and
Different degrees of dysopia, can pointedly design supporting image processing program, reach the mesh of auxiliary and enhancing vision
's.Simultaneously for different type and different degrees of dysopia, supporting program can be pointedly designed, for accordingly regarding
Feel the treatment and rehabilitation training of obstacle.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of a preferred embodiment of the invention；
Fig. 2 is the operation principle block diagram of a preferred embodiment of the invention；
Fig. 3 is design sketch of the one embodiment of the invention by taking amblyopia as an example；Wherein：Figure (a) is the reality that camera is collected
Scene picture, figure (b) is the picture of the Projection Display after image procossing (image amplification).
In figure：1 is wearing type glasses support, and 2 be left eye eyeglass, and 3 be left-eye display panel, and 4 be that left eye projects dress
Put；5 be right eye eyeglass, and 6 be right-eye display panel, and 7 be right eye projection arrangement, and 8 be two-way image capture device, and 9 be number
According to processing center, 10 be the reality scene picture that two-way image capture device is collected, and 11 be Projection Display after treatment
Picture, 12,13 be sensor.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
As shown in figure 1, being the wear-type vision-aided system for dysopia patient of a preferred embodiment of the invention
In structural representation, figure：Wearing type glasses support 1, left eye eyeglass 2, left-eye display panel 3, left eye projection arrangement 4, the right side
Eye eyeglass 5, right-eye display panel 6, right eye projection arrangement 7, two-way image capture device 8, data processing centre 9, sensing
Device 12,13, wherein：
Described wearing type glasses support 1 is used to installing, connect and fixed system all parts, and facilitate user to wear
Wear；
Described left eye eyeglass 2 and described right eye eyeglass 5 are used to fix left-eye display panel 3 and the right side respectively
Eye display panel 6, left eye eyeglass 2 and right eye eyeglass 5 for can penetration, user is except can see Projection Display
Picture outside can also see reality scene through eyeglass；
Described left-eye display panel 3 and described right-eye display panel 6, if using projection display mode, projection is set
Standby to be embedded at an angle with distance in transparent eyeglass, the display panel is also can penetration, Projection Display
Virtual image and the display scene seen through eyeglass be superposition；If using non-Projection Display mode, the image of display
For real image；
Described left eye projection arrangement 4 and described right eye projection arrangement 7 are shown with left-eye display panel 3 and right eye respectively
Panel 6 is engaged, and respectively to left-eye display panel 3 and the projected image of right-eye display panel 6, a width is formed in front of human eye virtual
Image；
Described two-way image capture device 8 is two cameras, and two cameras are respectively arranged in wearing type glasses branch
The left and right sides of frame 1, can gather reality scene that images of left and right eyes sees respectively with the visual angle of human eye in real time and be transferred to data
Processing center 9, left-eye display panel 3 and right eye display surface are projected to after data processing centre 9 is handled respectively in real time again
On plate 6, virtual scene is formed；Adopted further, since two-way image capture device 8 is the image for carrying out two-way with the visual angle of human eye
Collection, and the images of left and right eyes picture collected projects to left-eye display panel 3 respectively after treatment and right-eye display panel 6 is entered
Row display, so virtual scene seen by person is 3D scenes；
Described data processing centre 9 is used for the overall control of system, collection, processing and the Projection Display of image；Data
Processing center 9 is used for the driving of the overall control and modules of system.
In the present embodiment, described data processing centre 9 can be existing processing data processing equipment on the market, such as
Smart mobile phone, portable computer etc. or independently developed data processing terminal, image processing algorithm therein is needed for
Function is different and has different settings.Such as data processing centre 9 is except the image flame detection for achromate and demarcation task
Outside, there can also be other functions that smart machine possesses.
In the present embodiment, described data processing centre 9 can be connected by data wire with glasses, can also be directly with nothing
Line mode is connected with glasses.
In the present embodiment, described sensor 12,13 is used to detect external information and glasses status and pass signal
It is defeated by data processing centre；Including infrared sensor, accelerometer, the various sensors such as gyroscope, each of which will be collected
Data be transmitted to data processing centre 9, image procossing and machine vision algorithm can be analyzed using these data.Wherein, it is red
Outer sensor is used to gather infrared signal, is detected for possible night vision or for obstacle distance detection；Accelerate
Degree meter and gyroscope gather all directions acceleration and angle of glasses respectively.By analyzing the number that these sensors are gathered
According to data processing centre can make corresponding processing to the image that will be shown.
The major function of system described in the present embodiment is the system that a vision auxiliary is provided for dysopia patient, and this is
System can not only have different vision enhancement effects to different vision illnesss, allow patient to rely on the auxiliary of the instrument in life
Vision is improved, and the program of different correction and treatment can be designed to the ill in the heart in data handling, allows patient to exist
Improve the visual capacity of its own during exercise.
System described in the present embodiment is also directed to dysopia patient in addition to above-described physical components comprising supporting
The image processing module of design.This module gathers image in real time from two-way image capture device 8, is transferred to data processing centre
The image of collection is handled using image processing module after 9, for different dysopia patients, corresponding image is utilized
Processing and machine vision algorithm are handled image, then the more receptive image of more intuitively dysopia patient is carried out
Projection Display, dysopia patient can be by the image after the system viewing processing, so as to reach the purpose of auxiliary vision.Tool
Body：
For yctalopia patient, by improving CSF, increase patient at night vision；
For AMD, central serous retinopathy, the patient of the metamorphopsia such as cataract is led to
Cross anamorphose makes patient produce normal image on the contrary, such as grid chart is shown in glasses, allows patient voluntarily to adjust, and makes every
Bar line is all straight line (it is the line bent that normal person, which sees, after adjusting in fact), then passes through figure of the image procossing by cameras capture
As producing same deformation；
For protanopia anerythrochloropsia patient, allow computer that red and green is changed into the color that patient can distinguish, such as champac two
Color；
For the low visual acuity patient of high myopia etc., computer capacity is allowed to amplify image, easy-to-read；
For moving object increase contrast and sound production prompt, patient's vigilance etc. is allowed；
For dysopia caused by other illnesss, using corresponding algorithm, improve or treat the eyesight of patient.
Also other sufferers and corresponding image processing method are numerous to list herein, change image processing algorithm simultaneously
The essence of the system is not influenceed.The algorithm of image procossing can use prior art, it would however also be possible to employ auxiliary in order to adapt to this vision
Auxiliary system and the algorithm innovated.
As shown in Fig. 2 for the operation principle block diagram of system, workflow comprises the following steps：
First, IMAQ
The part is completed by two cameras of two-way image capture device 8, and left and right two-way camera is respectively with human eye
Visual angle gathers the image of reality scene, and the reality scene picture 10 that camera is collected in the form of video flowing to transmit to data
Reason center 9；
2nd, image procossing
The part is completed by the data processing centre 9 of system, and data processing centre 9 utilizes related image processing algorithm pair
The image collected from two-way image capture device 8 is specifically handled, such as：Amplification, enhancing, color correction etc.；The step
In need utilize image procossing and machine vision related algorithm；The system is higher to related image processing algorithm performance requirement,
It is required to reach the requirement of real-time, so the problem of considering real-time when carrying out image processing algorithm design, no
Can be using complexity is too high, can not meet the algorithm of requirement of real time；If some complex algorithms also will be for this
System is made corresponding simplified or innovated, so that algorithm preferably coordinates the system.The algorithm of image procossing can use existing
Technology, it would however also be possible to employ the algorithm innovated to adapt to this vision-aided system.Two-way image capture device 8 is collected
Image is handled in real time, then is transmitted separately to left-eye display panel 3 and right-eye display panel 6；
3rd, Projection Display (for transmissive display method) or utilization display screen are shown (for non-projection-type display side
Formula),
The display mode of present system can be projection or non-projection.If shown using projection,
Wherein right and left eyes projection arrangement is projected on left and right display panel 3,6 respectively, and certain distance forms virtual figure in front of human eye
Picture；If using non-projection display mode, what it was formed is real image, but is needed in glasses and left and right display panel 3,6
Between add convex lens make imaging apparent.The display panel that non-projection-type is shown can be high-definition liquid crystal display screen or
LED dot matrix display, the selection of display can be adjusted according to the sufferer actual conditions of patient.This has no effect on the system
Essence.Specifically：
1) Projection Display (for transmissive display method)
The part is completed by images of left and right eyes projection arrangement 4,7 and images of left and right eyes display panel 3,6, images of left and right eyes projection arrangement 4,7
Process colour blindness image rectification, the calibrated images of left and right eyes picture that data processing centre 9 is transmitted are projected to left and right respectively
Eye display panel 3,6, the picture for making user see from images of left and right eyes display panel 3,6 is to utilize image procossing and machine vision
Image after related algorithm processing；
2) shown (for non-projection-type display mode) using display screen
The part is completed by left and right display panel 3,6 display pictures, and images of left and right eyes display panel 3,6 is by data processing centre
The 9 process colour blindness image rectifications transmitted, calibrated images of left and right eyes picture are shown respectively, make user from left and right display panel
3rd, the picture seen on 6 is to utilize the image after image procossing and the processing of machine vision related algorithm.
As shown in figure 3, be the design sketch by taking amblyopia as an example, wherein：Figure (a) is showing that two-way image capture device is collected
Real field scape picture 10, figure (b) is the picture 11 of the Projection Display after associated picture handles (image amplification).
Compared with traditional dysopia auxiliary implement, the present invention is wearable device, with simple portable, easy extension
The advantages of, dysopia patient can be allowed to use in daily life；In addition, hardware disclosed in this invention can be used as one
Dysopia auxiliary implement platform, for different type and different degrees of dysopia, can pointedly design supporting
Image processing program and treatment procedure, reach the purpose of auxiliary vision and treatment disease.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (9)
1. a kind of wear-type vision-aided system for dysopia patient, it is characterised in that including：
Wearing type glasses support, for installing and connecting all parts of system and facilitate user to wear；
On display panel, the picture frame for being embedded in wearing type glasses support, for display image；
Image capture device, is arranged on wearing type glasses support；
Multiple sensors, for detecting external information and glasses status and transmitting a signal to data processing centre；It is described
Sensor includes infrared sensor, accelerometer, gyroscope；
The image of data processing centre, overall control of the data processing centre for system, including image capture device
Collection, processing and the display of display panel, the receiving and processing of sensing data；Image procossing therein passes through image procossing mould
Block realizes that the image processing module gathers image from image capture device in real time, and the image of collection is handled, for
The different sufferer types of dysopia patient, are handled image using image procossing and machine vision algorithm, after processing
Image shown in real time in the more receptive form of dysopia patient so that reach vision auxiliary purpose；
Described image processing module：
For yctalopia patient, by improving CSF, increase patient at night vision；
For AMD, central serous retinopathy, the patient of these metamorphopsias of cataract passes through
Anamorphose, makes patient produce normal image；
For protanopia anerythrochloropsia patient, allow computer that red and green is changed into the color that patient can distinguish；
For low visual acuity patient, computer capacity is allowed to amplify image, easy-to-read；
For moving object increase contrast and sound production prompt, patient's vigilance is allowed；
For dysopia caused by other illnesss, using corresponding algorithm, improve or treat the eyesight of patient.
2. a kind of wear-type vision-aided system for dysopia patient according to claim 1, it is characterised in that
The display of the system is that eyes are shown or simple eye display；Described image collecting device is double channels acquisition or single channel collection；
If simple eye, single channel, the display panel, image capture device are all only needed to all the way.
3. a kind of wear-type vision-aided system for dysopia patient according to claim 2, it is characterised in that
If eyes, binary channels, the display panel, image capture device are then left and right two-way, i.e.,：The display panel includes：
Left-eye display panel, is embedded on the left eye picture frame of wearing type glasses support, for showing left-eye image；
Right-eye display panel, is embedded on the right eye picture frame of wearing type glasses support, for showing eye image；
Described image collecting device, is made up of two minisize pick-up heads, is distributed in the left and right sides of wearing type glasses support.
4. a kind of wear-type vision-aided system for dysopia patient according to claim 1, it is characterised in that
The display mode of the system is projection or non-projection；
If shown using projection, the system also include projection arrangement, projection device on a display panel, in human eye
Front certain distance forms virtual image；The projection arrangement is all the way or left and right two-way；
If using non-projection display mode, image is directly displayed on the screen of display panel.
5. a kind of wear-type vision-aided system for dysopia patient according to claim 4, it is characterised in that
If using non-projection display mode, further adding convex lens in the middle of eyes and display panel so that imaging is more clear
It is clear.
6. a kind of wear-type vision-aided system for dysopia patient according to claim 5, it is characterised in that
The display panel of the non-projection display mode is high-definition liquid crystal display screen, or LED dot matrix display.
7. a kind of wear-type vision-aided system for dysopia patient according to claim 4, it is characterised in that
Described display panel using can penetration, project the image formed on a display panel and be superimposed with reality scene and reaches that vision changes
Kind effect.
8. a kind of wear-type vision-aided system for dysopia patient according to claim 2, it is characterised in that
Described image capture device gathers the reality scene that images of left and right eyes is seen respectively with the visual angle of human eye, by the data processing
Projected in real time after center processing on the left and right display panel.
9. a kind of wear-type vision-aided system for dysopia patient according to claim any one of 1-8, its
It is characterised by, described data processing centre's image processing algorithm is different according to required function, and there are different settings；For not
Same patient has different image processing algorithms to correspond to therewith.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531536.6A CN104306102B (en) | 2014-10-10 | 2014-10-10 | For the wear-type vision-aided system of dysopia patient |
| PCT/CN2014/093526 WO2016054860A1 (en) | 2014-10-10 | 2014-12-11 | Head wearing type vision auxiliary system for patient with vision disorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531536.6A CN104306102B (en) | 2014-10-10 | 2014-10-10 | For the wear-type vision-aided system of dysopia patient |
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| CN104306102A CN104306102A (en) | 2015-01-28 |
| CN104306102B true CN104306102B (en) | 2017-10-24 |
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| CN201410531536.6A Active CN104306102B (en) | 2014-10-10 | 2014-10-10 | For the wear-type vision-aided system of dysopia patient |
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| CN105118337B (en) * | 2015-09-18 | 2018-02-27 | 张稳磐 | A kind of visually impaired person's development of potential audio-visual apparatus |
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| CN105717638B (en) * | 2016-01-23 | 2018-01-16 | 濮阳市亮宇实业有限公司 | Glasses for blind person |
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