CN104799998B - A kind of optics strabismus correcting instrument - Google Patents
A kind of optics strabismus correcting instrument Download PDFInfo
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- CN104799998B CN104799998B CN201510241985.1A CN201510241985A CN104799998B CN 104799998 B CN104799998 B CN 104799998B CN 201510241985 A CN201510241985 A CN 201510241985A CN 104799998 B CN104799998 B CN 104799998B
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- correcting instrument
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- strabismus correcting
- strabismus
- revolving mirror
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Abstract
A kind of optics strabismus correcting instrument, there is a pair rotating link the application strabismus correcting instrument housing side, two strabismus correcting instrument housings are connected by connecting shaft, there is ocular lenses seat the rear end of strabismus correcting instrument housing side, ocular lenses seat has ocular lenses in end, there is objective lens eyeglass seat the front end of strabismus correcting instrument housing opposite side, objective lens eyeglass seat has objective lens eyeglass in end, a pair revolving mirror eyeglass is had in strabismus correcting instrument housing, revolving mirror eyeglass is in revolving mirror eyeglass seat, there is fixing end revolving mirror eyeglass seat upper end, angled knob on the fixing end of revolving mirror eyeglass seat.Correcting instrument of the present invention utilizes 3D glasses image-forming principle, user passes through anglec of rotation knob, realize the imaging of different situations, stravismus patient is allowed to obtain experiencing the chance of stereoscopic vision, again by the training of a period of time, make orientation, distance, distance perspective gradually form in practical experience of life and gradually consolidate, thus set up the third dimension of stravismus patient.
Description
Technical field
The present invention relates to a kind of optomechanical arts, particularly to a kind of optics strabismus correcting instrument.
Background technology
Through investigation, having the people of 3 ~ 4% to have a stravismus, stravismus patient does not has binocular stereoscopic sense, driving, play ball, see 3D film,
The live and works such as accurate operation exist the biggest difficulty.The misery how releasing them is that ophthalmology medical science is in the urgent need to address
Problem.
But the understanding that current tradition ophthalmology both domestic and external is to stravismus, it is believed that the operative treatment to adult's stravismus, is only that U.S.
The effect held, and eyesight can not be improved, Post operation does not the most carry out horopteric training.This theory causes adult's strabotomy tight
The mistaken ideas of weight, operation consent is irresolute, and Post operation occurs that ghost image, recurrence operation the most repeatedly can not thoroughly cure stravismus not
Good consequence.
Why third dimension is poor for stravismus patient？It is primarily due to look side ways patient's eyes and can not watch same target simultaneously attentively, two
The different picture of width overlaps, it is impossible to is formed " binocular single vision ", does not only have stereo perception but also do not see Chu's target；For
Seeing object clearly, brain will be set to " dominant eye " eyes automatically, and suppress the signal of another eye；So stravismus is suffered from
Person actually be monocular vision, lose this important stereo vision experience of binocular single vision, third dimension is inevitable greatly cuts
Weak；Tradition ophthalmology is thought, binocular single vision stereoscopic vision is formation in some months after birth, misses this stage the most very
Difficulty regains this function, even if operation correct for stravismus, has the most simply played cosmetic result.See the monograph of Beijing Tongren Hospital
" colleague depending on light with join mirror technology " P303.
The epistemological analysis in fact formed according to vision and third dimension, the stravismus patient including adult, is correcting tiltedly
After depending on, even if third dimension can not be obtained immediately, it is also possible to by the training of a period of time, make orientation, distance, distance perspective in life
Practice gradually form and gradually consolidates, i.e. by practice and the combination of sensation of so-called three-dimensional, then building the vertical of stravismus patient
Body-sensing.
Therefore can utilize 3D glasses image-forming principle, respectively right and left eyes signal is adjusted, make by high definition Display Technique
The retinal images of eyes overlaps, and allows stravismus patient obtain experiencing the chance of stereoscopic vision；The computer training of reusing system
Program makes stravismus patient recover the function that eyes are watched simultaneously.
Summary of the invention
For problem above, the present invention is a kind of optics strabismus correcting instrument and using method thereof, and this correcting instrument utilizes 3D eye
Mirror image-forming principle, user passes through anglec of rotation knob, it is achieved the imaging of different situations, allows stravismus patient obtain experiencing solid
The chance of vision, then by the training of a period of time, makes orientation, distance, distance perspective gradually form in practical experience of life and gradually
Consolidating, thus set up the third dimension of stravismus patient, for reaching this purpose, the present invention provides a kind of optics strabismus correcting instrument, including connecing
Lens, ocular lenses seat, strabismus correcting instrument housing, angle knob, link, connecting shaft, objective lens eyeglass seat, connect
Objective lenses, revolving mirror eyeglass and revolving mirror eyeglass seat, there is a pair rotating link described strabismus correcting instrument housing side,
Described link end is connected with rotating shaft in strabismus correcting instrument housing, and described strabismus correcting instrument housing is symmetrical arranged, described connection
Two strabismus correcting instrument housings are connected by axle through the end of 4 links of 2 strabismus correcting instrument housings, described orthpia
There is ocular lenses seat be connected with the link rear end of side of instrument housing, is installed with and connects in described ocular lenses seat end
Lens, there is objective lens eyeglass seat the front end of described strabismus correcting instrument housing opposite side, in described objective lens eyeglass seat end
It is installed with objective lens eyeglass, in described strabismus correcting instrument housing, has a pair revolving mirror eyeglass, described revolving mirror eyeglass to fix
Being arranged in revolving mirror eyeglass seat, there is fixing end described revolving mirror eyeglass seat upper end, and described fixing end is from strabismus correcting instrument housing
Stretch out, the corresponding angle knob of each revolving mirror eyeglass, angled knob on the fixing end of described revolving mirror eyeglass seat,
Described angle knob is on strabismus correcting instrument housing.
Improving further as the present invention, described ocular lenses seat has focusing knob, can be adjusted by focusing knob
The focal length of ocular lenses.
Improve further as the present invention, the two ends of rotating shaft and two strabismus correcting instruments in described strabismus correcting instrument housing
The two ends of the connecting shaft between housing are respectively arranged with a regulation bolt, and the present invention can rectify by arranging regulation two stravismus of bolt regulation
The angle of bend of positive instrument housing.
Improving further as the present invention, the inwall of the eyeglass seat of described revolving mirror eyeglass seat has draw-in groove, described draw-in groove to exist
, there is c-type turn revolving mirror eyeglass side in described draw-in groove, by above structure be more convenient for revolving mirror eyeglass install.
Improve further as the present invention, described angle knob has master calibration, described strabismus correcting instrument housing has
Vernier, can arrange corresponding scale for the ease of preferably adjusting angle.
The using method of the present invention a kind of optics strabismus correcting instrument is as follows:
Step one, monocular vision debugging:
1) with monocular vision distant place scenery, adjust the focal length of ocular lens, make image clear；
2) observe with another eye again, also make image clear；
Step 2, binocular single vision regulation and training:
1) eyes are observed simultaneously, in fact it could happen that ghost image, examine the relative position of right and left eyes ghost image;
2) adjust two correcting instruments and connect the angle of housing, make ghost image close as far as possible；
3) the speculum m of ocular lens is carefully adjusted2And m3Angle, make ghost image overlap；
4) repeat the above steps 2 and 3, make image clear；
5) carry out above-mentioned adjustment exercise every day, consolidate binocular single vision effect.
Step 3, rectification stravismus training；
1) on the basis of binocular single vision is skilled, enter and correct stravismus training；
2) stravismus angle, m are read1、m2、m4It is 0 °, reads m3Angle, θ, it is known that right eye inner bevel α=2 θ；
3) angle of regulation m3 suitably reduces, and general reduction amount is within 5 °, and eyes can keep double by eye muscle regulation
Eye haplopia；
4) train through after a while, be gradually reduced angle, if α → 0 ° can be made, at this moment also can reach without correcting instrument
Binocular single vision.
Present invention have the advantage that
1) motionless operation can train stravismus patient to realize binocular vision；
2) it is applicable to the interior different patient such as tiltedly oblique, outer；
3) children crowd to the different interpupillary distances of adult it is applicable to；
4) may be used for nonoperative training, make the motionless operation of some patients obtain the ability of self stravismus；
5) can be used for preoperative training, to judge the consequence of operation, get rid of the postoperative hidden danger being likely to occur ghost image,
Thus establish the confidence of doctor and patient；
6) can be also used for postoperative rehabilitation training, help stravismus patient to set up binocular vision, consolidate operation effect
Really, it is ensured that with the passing of time stravismus will not recur.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the present invention；
Fig. 2 is the light path schematic diagram of the present invention；
Fig. 3 is the stravismus index path of the present invention；
Fig. 4 is schematic diagram of the present invention；
Fig. 5 is revolving mirror eyeglass seat schematic diagram of the present invention；
Fig. 6 is revolving mirror eyeglass seat Section A-A schematic diagram of the present invention；
Fig. 7 is revolving mirror eyeglass seat section B-B schematic diagram of the present invention；
Fig. 8 is revolving mirror eyeglass seat eyeglass schematic diagram of the present invention；
Fig. 9 is c-type turn schematic diagram of the present invention；
Figure 10 is angle knob schematic diagram of the present invention；
Figure 11 is angle scale scale schematic diagram of the present invention；
Concrete component names is as follows:
About 1 ' objective lens unit；About 2 ' reflector elements；About 3 ' connect mesh unit；
4 ' interpupillary distance adjustment units；1, ocular lenses seat；2, focusing knob；
3, strabismus correcting instrument housing；4, angle knob；5, link；
6, connecting shaft；7, objective lens eyeglass seat；8, objective lens eyeglass；
9, revolving mirror eyeglass；10, revolving mirror eyeglass seat；11, fixing end；
12, draw-in groove；13, c-type turn；14, regulation bolt.
Detailed description of the invention
Below in conjunction with drawings and Examples, invention is described in detail:
The present invention is a kind of optics strabismus correcting instrument, and this correcting instrument utilizes 3D glasses image-forming principle, according to use during use
Person passes through anglec of rotation knob, it is achieved the imaging of different situations, allows stravismus patient obtain experiencing the chance of stereoscopic vision, then leads to
Training after a while, makes orientation, distance, distance perspective gradually form in practical experience of life and gradually consolidate, thus sets up tiltedly
Third dimension depending on patient.
As one specific embodiment of the present invention, the present invention provides a kind of optics strabismus correcting instrument, including ocular lenses,
Ocular lenses seat 1, strabismus correcting instrument housing 3, angle knob 4, link 5, connecting shaft 6, objective lens eyeglass seat 7, connect thing
Mirror eyeglass 8, revolving mirror eyeglass 9 and revolving mirror eyeglass seat 10, there is a pair rotating connection described strabismus correcting instrument housing 3 side
Frame 5, described link 5 end is connected with rotating shaft in strabismus correcting instrument housing 3, and described strabismus correcting instrument housing 3 is symmetrical arranged, institute
Two strabismus correcting instrument housings 3 are connected by the end stating 4 links 5 that connecting shaft 6 passes 2 strabismus correcting instrument housings 3, institute
State be connected with link 5 rear end of side of strabismus correcting instrument housing 3 and have ocular lenses seat 1, described ocular lenses seat 1 end
Inside being installed with ocular lenses, there is objective lens eyeglass seat 7 front end of described strabismus correcting instrument housing 3 opposite side, described in connect
It is installed with objective lens eyeglass 8 in objective lenses seat 7 end, in described strabismus correcting instrument housing 3, has a pair revolving mirror eyeglass
9, described revolving mirror eyeglass 9 is fixedly mounted in revolving mirror eyeglass seat 10, and there is fixing end 11 described revolving mirror eyeglass seat 10 upper end,
Described fixing end 11 stretches out from strabismus correcting instrument housing 3, the corresponding angle knob 4 of each revolving mirror eyeglass 9, described rotation
Angled knob 4 on the fixing end 11 of mirror eyeglass seat 10, described angle knob 4 is on strabismus correcting instrument housing 3.
As one preferred embodiment of the present invention, the present invention provides a kind of optics strabismus correcting instrument as shown in Figure 4,
Including ocular lenses, ocular lenses seat 1, strabismus correcting instrument housing 3, angle knob 4, link 5, connecting shaft 6, connect thing
Mirror eyeglass seat 7, objective lens eyeglass 8, revolving mirror eyeglass 9 and revolving mirror eyeglass seat 10, described strabismus correcting instrument housing 3 side has one
To rotating link 5, described link 5 end is connected with rotating shaft in strabismus correcting instrument housing 3, described strabismus correcting instrument shell
Body 3 is symmetrical arranged, and described connecting shaft 6 passes the end of 4 links 5 of 2 strabismus correcting instrument housings 3 by two orthpias
Instrument housing 3 is connected, connection between two ends and two strabismus correcting instrument housings 3 of rotating shaft in described strabismus correcting instrument housing 3
The two ends of axle 6 are respectively arranged with a regulation bolt 14, and the present invention can be by arranging regulation bolt two strabismus correcting instrument housings of regulation
Angle of bend, there are ocular lenses seat 1, described ocular lens in be connected with link 5 rear end of side of described strabismus correcting instrument housing 3
Eyeglass seat 1 has focusing knob 2, can be adjusted the focal length of ocular lenses, described ocular lenses seat 1 end by focusing knob
Inside being installed with ocular lenses, there is objective lens eyeglass seat 7 front end of described strabismus correcting instrument housing 3 opposite side, described in connect
It is installed with objective lens eyeglass 8 in objective lenses seat 7 end, has a pair in described strabismus correcting instrument housing 3 as shown in Figure 8
Revolving mirror eyeglass 9, described revolving mirror eyeglass 9 is fixedly mounted in revolving mirror eyeglass seat 10 as illustrated in figs. 5-7, described revolving mirror
The inwall of the eyeglass seat of eyeglass seat 10 has draw-in groove 12, and described draw-in groove 12 is in revolving mirror eyeglass 9 side, just like figure in described draw-in groove 12
C-type turn 13 shown in 9, by above structure be more convenient for revolving mirror eyeglass install, described revolving mirror eyeglass seat 10 upper end has
Fixing end 11, described fixing end 11 stretches out from strabismus correcting instrument housing 3, the corresponding angle knob of each revolving mirror eyeglass 9
4, angled knob 4 on the fixing end 11 of described revolving mirror eyeglass seat 10, described angle knob 4 is as shown in Figure 10 in stravismus
On correcting instrument housing 3, described angle knob 4 has master calibration, described strabismus correcting instrument housing 3 has vernier, for the ease of
Preferably adjust angle and corresponding scale can be set.
As it is shown in figure 1, optics strabismus correcting instrument of the present invention, including connecing thing unit 1 ', mirror unit 2 ' and connecing mesh unit
3 ', also include adjustment unit 4 ', adjustment unit includes:
Connect the adjustment of thing unit 1 ', the angle adjustment of mirror unit 2 ' and connect the adjustment of mesh unit 3 ', also including pupil
Away from adjustment.
Wherein, the lens adjusting replaceable different focal of thing unit 1 ' are connect；Connect the adjustment of mesh unit 3 ' except changing
Outside the lens of different focal, also screw thread can regulate；The regulation of speculum is to carry out with the knob with speculum linkage, adjusts
Whole angle has graduation indication；Fig. 4 is shown in the regulation of interpupillary distance, and 3 middle regulation bolts are adjustable, to change interpupillary distance and angle.
Angle scale knob 4, front is carved with the angle value such as Figure 11, and revolving mirror eyeglass seat is arranged in housing, uses key screw
Angle scale knob is fixed on revolving mirror eyeglass seat top and exposes the part of cabinet.During anglec of rotation scale, the angle of revolving mirror is therewith
And move, its angle can be read by the scale of angle scale.
Light path when normal person uses this instrument as in figure 2 it is shown, the angle of level crossing is 45 °, normal and horizontal angle
Also it it is 45 °.
The sight line of stravismus patient is the most different, and index path is as it is shown on figure 3, m1~m4It is revolving mirror, as a example by right esostasis, if interior
Oblique angle is α, and normal and horizontal line angle are β, and according to reflection law, normal and right eye sight line angle equal to β, making θ is level crossing
Adjust angle, be not difficult to draw:
α+2 β=90 °
θ=45 °-β
Solve above-mentioned simultaneous equations can obtain: θ=α/2
This is the situation of a dull eye, typically in order to reduce adjustment angle, uses the mode that eyes are adjusted in opposite directions, if left
It is identical that right eye adjusts angle, then θ=α/4
In order to accurately measure angle of squint α, it is desirable to the scale of level crossing rotational angle θ is more accurate.The ad hoc meter of this patent
0.2 ° of accuracy test method, is shown in Figure 11.Housing is provided with vernier, and master calibration coordinates, and can accurately read minimum scale
The 1/10 of (2 °).
Using method of the present invention is as follows:
First the angle of all of speculum is all transferred to 0 ° (internal mirror actual angle be 45 ° as shown in Figure 2):
One, monocular vision debugging:
1) with monocular vision distant place scenery, adjust the focal length of ocular lens, make image clear；
2) observe with another eye again, also make image clear；
Two, binocular single vision regulation and training:
1) eyes are observed simultaneously, in fact it could happen that ghost image, examine the relative position of right and left eyes ghost image;
2) adjust 3 bolts that correcting instrument connects the adjusting means 6 of housing, make ghost image close as far as possible；
3) the speculum m of ocular lens is carefully adjusted2And m3Angle, make ghost image overlap；
4) repeat the above steps 2 and 3, make image clear；
5) carry out above-mentioned adjustment exercise every day, consolidate binocular single vision effect.
Three, stravismus training is corrected
1., on the basis of binocular single vision is skilled, enter and correct stravismus training；
2. read stravismus angle, if as it is shown on figure 3, m1、m2、m4It is 0 °, reads m3Angle, θ=7 °, it is known that right esostasis
θ=14 °, α=2, angle；
3. regulation m3Angle suitably reduce, general reduction amount is within 5 °, and eyes can keep double by eye muscle regulation
Eye haplopia；
4. train through after a while, be gradually reduced angle, if α → 0 ° can be made, at this moment also can reach without correcting instrument
Binocular single vision.
By with patient oblique in patient oblique outside upper type great majority and part, correcting instrument can be departed from after training and realize autonomous
Binocular single vision, reaches the purpose without operative correction stravismus.When the patient that the part stravismus number of degrees are bigger does not wears correcting instrument, rely on certainly
Main binocular single vision, possible eye muscle is the biggest the most tired, malaise symptoms such as having a headache, feel sick sometimes occurs, now can consider
Surgical correction.Owing to there being horopteric training, it is ensured that Post operation does not haves the tradition ophthalmology such as ghost image, recurrence
Operation hidden danger, establish the confidence of doctor and patient both sides.
Owing to operation can not reach just in time, unavoidable after surgery also have certain stravismus to remain, and general ＜ 10 ° can
Continue with correcting instrument to be trained, owing to angle of squint is less, autonomous binocular single vision effect can be quickly reached, the most thoroughly control
More stravismus, also removes the worry that tradition ophthalmology may need again perform the operation from.And ensure to recur, to vast stravismus patient
Bring glad tidings.
The above, be only presently preferred embodiments of the present invention, is not the limit that the present invention makees any other form
System, and any amendment made according to the technical spirit of the present invention or equivalent variations, still fall within present invention model required for protection
Enclose.
Claims (5)
1. an optics strabismus correcting instrument, including ocular lenses, ocular lenses seat (1), strabismus correcting instrument housing (3), angle
Degree knob (4), link (5), connecting shaft (6), objective lens eyeglass seat (7), objective lens eyeglass (8), revolving mirror eyeglass (9) and
Revolving mirror eyeglass seat (10), it is characterised in that: there is a pair rotating link (5) described strabismus correcting instrument housing (3) side,
Described link (5) end is connected with strabismus correcting instrument housing (3) interior rotating shaft, and described strabismus correcting instrument housing (3) is symmetrical arranged,
Described connecting shaft (6) passes the end of 4 links (5) of 2 strabismus correcting instrument housings (3) by two strabismus correcting instrument housings
(3) being connected, there is ocular lenses seat (1) be connected with link (5) rear end of side of described strabismus correcting instrument housing (3), described
Being installed with ocular lenses in ocular lenses seat (1) end, the front end of described strabismus correcting instrument housing (3) opposite side has
Objective lens eyeglass seat (7), is installed with objective lens eyeglass (8), described orthpia in described objective lens eyeglass seat (7) end
A pair revolving mirror eyeglass (9), described revolving mirror eyeglass (9) is had to be fixedly mounted in revolving mirror eyeglass seat (10) in instrument housing (3),
There is fixing end (11) described revolving mirror eyeglass seat (10) upper end, and described fixing end (11) is stretched out, often from strabismus correcting instrument housing (3)
The corresponding angle knob (4) of individual revolving mirror eyeglass (9), the fixing end (11) of described revolving mirror eyeglass seat (10) is upper angled
Knob (4), described angle knob (4) is on strabismus correcting instrument housing (3).
A kind of optics strabismus correcting instrument the most according to claim 1, it is characterised in that: described ocular lenses seat (1) has
Focusing knob (2).
A kind of optics strabismus correcting instrument the most according to claim 1, it is characterised in that: described strabismus correcting instrument housing (3)
The two ends of the connecting shaft (6) between the two ends of interior rotating shaft and two strabismus correcting instrument housings (3) are respectively arranged with a regulation bolt
(14).
A kind of optics strabismus correcting instrument the most according to claim 1, it is characterised in that: described revolving mirror eyeglass seat (10)
The inwall of eyeglass seat has draw-in groove (12), and described draw-in groove (12) is in revolving mirror eyeglass (9) side, and described draw-in groove has c-type bullet in (12)
Spring coil (13).
A kind of optics strabismus correcting instrument the most according to claim 1, it is characterised in that: have on described angle knob (4)
Master calibration, described strabismus correcting instrument housing (3) has vernier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510241985.1A CN104799998B (en) | 2015-05-13 | 2015-05-13 | A kind of optics strabismus correcting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510241985.1A CN104799998B (en) | 2015-05-13 | 2015-05-13 | A kind of optics strabismus correcting instrument |
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| CN104799998A CN104799998A (en) | 2015-07-29 |
| CN104799998B true CN104799998B (en) | 2016-08-17 |
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| CN201510241985.1A Expired - Fee Related CN104799998B (en) | 2015-05-13 | 2015-05-13 | A kind of optics strabismus correcting instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112107416A (en) * | 2020-09-14 | 2020-12-22 | 郑州诚优成电子科技有限公司 | Strabismus correction vision imaging device based on VR technology and working method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB830141A (en) * | 1956-02-03 | 1960-03-09 | Harry Maurice Felix Asher | Improvements in instruments for testing vision |
| GB1243822A (en) * | 1968-10-04 | 1971-08-25 | Oculus Optikgerate G M B H | Instrument for examining eyes for binocular training thereof and for squint angle measurement |
| CN2490976Y (en) * | 2001-08-10 | 2002-05-15 | 陶冶 | Double light route and semi-reflector device of synoptophore |
| CN1415995A (en) * | 2002-03-30 | 2003-05-07 | 徐向春 | Light reflecting stereoscopic eyeglass with magnifying capability |
| CN104546394A (en) * | 2015-01-08 | 2015-04-29 | 陕西达明生物科技有限公司 | Visual function training instrument |
| CN204600876U (en) * | 2015-05-13 | 2015-09-02 | 金陵科技学院 | A kind of optics strabismus correcting instrument |
-
2015
- 2015-05-13 CN CN201510241985.1A patent/CN104799998B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB830141A (en) * | 1956-02-03 | 1960-03-09 | Harry Maurice Felix Asher | Improvements in instruments for testing vision |
| GB1243822A (en) * | 1968-10-04 | 1971-08-25 | Oculus Optikgerate G M B H | Instrument for examining eyes for binocular training thereof and for squint angle measurement |
| CN2490976Y (en) * | 2001-08-10 | 2002-05-15 | 陶冶 | Double light route and semi-reflector device of synoptophore |
| CN1415995A (en) * | 2002-03-30 | 2003-05-07 | 徐向春 | Light reflecting stereoscopic eyeglass with magnifying capability |
| CN104546394A (en) * | 2015-01-08 | 2015-04-29 | 陕西达明生物科技有限公司 | Visual function training instrument |
| CN204600876U (en) * | 2015-05-13 | 2015-09-02 | 金陵科技学院 | A kind of optics strabismus correcting instrument |
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| Publication number | Publication date |
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| CN104799998A (en) | 2015-07-29 |
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