CN112245216A - Be used for ophthalmology's supplementary eyesight testing arrangement of adjustment type of being convenient for - Google Patents
Be used for ophthalmology's supplementary eyesight testing arrangement of adjustment type of being convenient for Download PDFInfo
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- CN112245216A CN112245216A CN202011122383.1A CN202011122383A CN112245216A CN 112245216 A CN112245216 A CN 112245216A CN 202011122383 A CN202011122383 A CN 202011122383A CN 112245216 A CN112245216 A CN 112245216A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
- A61G15/02—Chairs with means to adjust position of patient; Controls therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0075—Apparatus for testing the eyes; Instruments for examining the eyes provided with adjusting devices, e.g. operated by control lever
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0083—Apparatus for testing the eyes; Instruments for examining the eyes provided with means for patient positioning
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
- A61G15/10—Parts, details or accessories
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2210/00—Devices for specific treatment or diagnosis
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- Oral & Maxillofacial Surgery (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The invention relates to a vision testing device, in particular to an auxiliary vision testing device which is convenient to adjust and used for ophthalmology. The technical problem to be solved by the invention is as follows: provided is an easily adjustable auxiliary vision testing device for ophthalmology, which can assist a patient to normally perform vision testing and can be adjusted. Comprises the following steps: a base; the telescopic frame is arranged on the base; the seat stool is arranged on the telescopic frame; the backrest is arranged on the seat stool; the lifting mechanism is arranged on the base; and the auxiliary device is arranged on the backrest. The height of the seat can be adjusted, and the seat is suitable for various people; the invention is provided with the belt, so that the injury caused by the careless falling of a test person when the height of the seat is adjusted can be effectively prevented; the invention can be controlled by a tester and is simple to operate.
Description
Technical Field
The invention relates to a vision testing device, in particular to an auxiliary vision testing device which is convenient to adjust and used for ophthalmology.
Background
The general term of ophthalmology is "ophthalmology specialty", which is the discipline for studying diseases occurring in the visual system, including the eyeball and its associated tissues. The eye chart is a chart for measuring vision. The domestic visual chart comprises: the visual chart is made according to the principle of visual angle, the visual acuity is generally divided into far vision and near vision, the far vision mostly adopts the international standard visual chart, and the visual chart is composed of E characters with different openings and different directions. The visual chart for medical detection mainly detects central vision, namely, detects foveal acuity in a macular area of retina, so that the preliminary condition of visual function can be simply and quickly known, and the visual chart has important significance for clinical diagnosis and treatment of eye diseases.
The existing eyesight test is that people stand outside the line, hold the eye-screening plate with hands, and then test the eyesight, and the height of the visual chart can not be adjusted according to the height of a patient by the method, so that an accurate eyesight test result can not be obtained, subsequent diagnosis and treatment are seriously influenced, and the physical health of the patient is not facilitated.
Therefore, it is highly desirable to develop an easily adjustable auxiliary vision testing device for ophthalmology, which can assist a patient in performing vision tests normally and can be adjusted.
Disclosure of Invention
In order to overcome the defects that the visual acuity test result cannot be obtained due to the fact that the visual acuity test result cannot be adjusted according to the height of a patient, subsequent diagnosis and treatment are seriously influenced, and the physical health of the patient is not facilitated, the technical problem of the invention is as follows: provided is an easily adjustable auxiliary vision testing device for ophthalmology, which can assist a patient to normally perform vision testing and can be adjusted.
The technical implementation scheme of the invention is as follows: an auxiliary vision testing device for ophthalmology, which is convenient to adjust and comprises: a base; the telescopic frame is arranged on the base; the seat stool is arranged on the telescopic frame; the backrest is arranged on the seat stool; the lifting mechanism is arranged on the base; and the auxiliary device is arranged on the backrest.
In a preferred embodiment of the present invention, the elevating mechanism comprises: the mounting frames are mounted on two sides of the stool; the air cylinder is arranged between the mounting racks; the fixing frame is arranged on a piston rod of the air cylinder and fixedly connected with the telescopic frame.
In a preferred embodiment of the present invention, the auxiliary device comprises: the rotating handles are rotatably arranged on two sides of the stool; the fixed pulleys are arranged on two sides of the stool; the first sliding rail is arranged on the backrest; the first support frame is arranged on the first slide rail; the first gears are rotatably arranged on two sides of the first support frame; the baffle plates are arranged on the first gears on the two sides; the second gear is rotatably arranged on the first support frame, and the first gear and the second gear are meshed with each other; the second support frame is arranged on the first support frame; the second sliding rail is arranged on the second support frame; the rack is arranged on the second sliding rail in a sliding mode and is meshed with the first gear on one side; the first telescopic rod is arranged between the rack and the second sliding rail; the first spring is arranged between the rack and the second sliding rail and is sleeved on the first telescopic rod; the guide sleeves are arranged on two sides of the backrest; the connecting rod is arranged between the two guide sleeves on the two sides in a sliding mode, and the connecting rod on one side is connected with the rack; the stay wire is wound around the fixed pulley and is arranged between the turning handles at the two sides and the connecting rods at the two sides; and the limiting blocks are arranged on two sides of the seat stool and matched with the rotating handle.
In a preferred embodiment of the present invention, the method further comprises: the guide blocks are arranged on two sides of the backrest; the first sliding block is arranged on two sides of the first sliding rail in a sliding manner; the belt penetrates through the guide blocks on the two sides and is arranged between the first sliding blocks on the two sides; the connecting rods are rotatably arranged on the first sliding blocks on the two sides and are rotatably connected; the connecting block is rotatably arranged at the connecting part of the connecting rod; the second telescopic rod is arranged between the connecting block and the mounting frame; the second spring is installed between the connecting block and the mounting frame and sleeved on the second telescopic rod.
In a preferred embodiment of the present invention, the method further comprises: the first wedge-shaped block is arranged on the connecting rod on one side; the second sliding block is arranged on the first supporting frame in a sliding mode; the third spring is arranged between the second sliding block and the first supporting frame; the connecting frame is arranged on the second sliding block, and the first wedge-shaped block is matched with the connecting frame; the second wedge-shaped block is arranged on the connecting frame and is provided with an L-shaped groove; the hollow pipe is arranged on the connecting rod; the protruded column is slidably arranged on the hollow pipe; and the fourth spring is arranged between the protruding column and the hollow pipe.
In a preferred embodiment of the present invention, the method further comprises: the belt can stretch out and draw back to adapt to the crowd of different sizes.
The invention has the beneficial effects that: 1. the height of the stool can be adjusted, so that the eyes of a tester are level with the visual chart, the tester can accurately test the eyesight, and the stool is suitable for various crowds;
2. the height adjusting device is provided with the belt, so that the test person can be effectively prevented from being injured due to the fact that the test person falls down carelessly when the height of the seat is adjusted;
3. the invention can enable a tester to operate and control by himself and adjust the tested eyes, and the operation is simple and easy.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the lifting mechanism of the present invention.
Fig. 3 is a schematic perspective view of the auxiliary device of the present invention.
Fig. 4 is a schematic perspective view of a first embodiment of the present invention.
Fig. 5 is a schematic perspective view of a second embodiment of the present invention.
Fig. 6 is an enlarged schematic view of part a of the present invention.
The parts are labeled as follows: 1. a base, 2, an expansion bracket, 3, a stool, 4, a backrest, 5, a lifting mechanism, 51, a mounting rack, 52, a cylinder, 53, a fixing rack, 6, an auxiliary device, 61, a rotating handle, 62, a fixed pulley, 63, a first slide rail, 64, a first support frame, 65, a first gear, 66, a baffle, 67, a second gear, 68, a second support frame, 69, a second slide rail, 691, a first telescopic rod, 692, a first spring, 693, the connecting device comprises a rack 694, a connecting rod 695, a guide sleeve 696, a pull wire 697, a limiting block 7, a belt 8, a guide block 9, a first sliding block 10, a connecting rod 11, a connecting block 12, a second telescopic rod 13, a second spring 14, a first wedge-shaped block 15, a second sliding block 16, a connecting frame 17, a second wedge-shaped block 18, an L-shaped groove 19, a third spring 20, a hollow pipe 21, a protruding column 22 and a fourth spring.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example 1
A vision testing device is assisted to ophthalmic type of being convenient for adjustment, as shown in fig. 1-3, including base 1, expansion bracket 2, stool 3, back 4, elevating system 5 and auxiliary device 6, expansion bracket 2 is installed to the upside of base 1, stool 3 is installed to the upside of expansion bracket 2, back 4 is installed to the rear portion upside of stool 3, elevating system 5 is installed to the upside of base 1, auxiliary device 6 is installed to the upside of back 4.
When will carry out the eyesight test, the tester sits on seat bench 3, leans against back 4, and control elevating system 5 goes up and down to drive expansion bracket 2 and reciprocate, thereby adjust the height of seat bench 3, make people's eyes and visual chart level mutually, then the user can oneself manual control auxiliary device 6, let tester interchangeable eyes test, after the test, control elevating system 5 resets, the people stands up can.
The lifting mechanism 5 comprises a mounting frame 51, a cylinder 52 and a fixing frame 53, the mounting frame 51 is mounted on the left side and the right side of the rear portion of the seat 3, the cylinder 52 is connected between the mounting frames 51, the fixing frame 53 is connected to a piston rod of the cylinder 52, and the fixing frame 53 is fixedly connected with the telescopic frame 2.
When will carry out the eyesight test, start cylinder 52, just can drive mount 53 when will carrying out the eyesight test and remove to drive expansion bracket 2 and remove, thereby make bench 3 remove, when adjusting high back, close cylinder 52, test good eyesight back, restart cylinder 52 again, control above-mentioned part and reset, then close cylinder 52 can.
The auxiliary device 6 comprises a rotating handle 61, a fixed pulley 62, a first slide rail 63, a first support frame 64, a first gear 65, a baffle 66, a second gear 67, a second support frame 68, a second slide rail 69, a first telescopic rod 691, a first spring 692, a rack 693, a connecting rod 694, a guide sleeve 695, a pull wire 696 and a limiting block 697, wherein the rotating handle 61 is rotatably installed on the left and right sides of the upper part of the seat 3, the fixed pulley 62 is installed on the left and right sides of the seat 3, the first slide rail 63 is installed on the rear side of the backrest 4, the first support frame 64 is connected to the upper side of the first slide rail 63, the first gear 65 is rotatably installed on the left and right sides of the front part of the first support frame 64, the baffle 66 is connected to the front side of the first gear 65, the second gear 67 is rotatably installed on the front side of the first support frame 64, the first gear 65 is mutually meshed with the second gear 67, the second support frame 68 is connected to the right, the front side of the second supporting frame 68 is connected with a second sliding rail 69, a rack 693 is slidably arranged inside the second sliding rail 69, the rack 693 is meshed with the first gear 65 on the right side, a first spring 692 and a first telescopic rod 691 are connected between the rack 693 and the second sliding rail 69, the first spring 692 is sleeved on the first telescopic rod 691, two guide sleeves 695 are connected to the left and right sides of the backrest 4, a connecting rod 694 is slidably connected between the two guide sleeves 695 on the upper and lower sides, the connecting rod 694 on the right side is connected with the rack 693, pull wires 696 are connected between the two side rotating handles 61 and the two side connecting rods 694 by bypassing the fixed pulley 62, limit blocks 697 are arranged on the left and right sides of the seat stool 3, and the limit blocks 697 are matched with the.
The device is in the normality, can test one of them eye, when needs test another eye, with pulling right side turn handle 61, turn handle 61 just can stimulate act as go-between 696, then make right side connecting rod 694 move down through acting as go-between 696, thereby drive rack 693 and move down, first telescopic link 691 and first spring 692 are stretched, thereby drive right side first gear 65 and rotate, make right side baffle 66 fall down, right side first gear 65 can drive second gear 67 and rotate simultaneously, thereby make left side first gear 65 rotate, make left side baffle 66 revolve, thereby can test another eye, after detecting, put down turn handle 61, first spring 692 retracts, drive above-mentioned each part and reset.
Example 2
On the basis of embodiment 1, as shown in fig. 4, 5 and 6, the backrest device further includes a belt 7, a guide block 8, a first slider 9, a connecting rod 10, a connecting block 11, a second telescopic rod 12 and a second spring 13, the guide blocks 8 are installed on the left and right sides of the backrest 4, the first slider 9 is arranged on the left and right sides of the lower portion of the first slide rail 63 in a sliding manner, the belt 7 is connected between the first sliders 9 on both sides through the guide blocks 8 on both sides, the connecting rod 10 is connected to the lower sides of the first sliders 9 on both sides in a rotating manner, the connecting block 11 is arranged on the connecting rod 10 in a rotating manner, the second telescopic rod 12 and the second spring 13 are connected between the lower side of the connecting block 11 and the mounting frame 51, and the second spring 13 is sleeved on the second telescopic rod 12.
When sitting on stool 3, pulling belt 7, make belt 7 surround the people, when stool 3 upwards removes, can drive back 4, guide block 8, first slider 9 and first slide rail 63 upwards remove together, thereby make second telescopic link 12, second spring 13 is stretched, connecting rod 10 in both sides rotates simultaneously, the first slider 9 in pulling both sides is close to each other, thereby pulling belt 7, make belt 7 fix the person who detects, when preventing that stool 3 from rising, fall down stool 3 and cause the person who detects injured, when stool 3 downwards removes, thereby make above-mentioned part reverse operation, thereby loosen the tester.
The novel steel pipe support is characterized by further comprising a first wedge-shaped block 14, a second sliding block 15, a connecting frame 16, a second wedge-shaped block 17, a third spring 19, a hollow pipe 20, a protruding column 21 and a fourth spring 22, the first wedge-shaped block 14 is connected to the upper side of the left connecting rod 694, the second sliding block 15 is arranged on the first supporting frame 64 in a sliding mode, the third spring 19 is connected between the second sliding block 15 and the first supporting frame 64, the connecting frame 16 is connected to the upper side of the second sliding block 15, the first wedge-shaped block 14 is matched with the connecting frame 16, the second wedge-shaped block 17 is installed on the front side of the right portion of the connecting frame 16, an L-shaped groove 18 is formed in the second wedge-shaped block 17, the hollow pipe 20 is arranged on the right connecting rod 694, the protruding column 21 is connected to the rear sliding side of the.
When the device is in a normal state, the fourth spring 22 is in a compressed state, when another eye needs to be tested, the rotating handle 61 is rotated at the same time, the pull wire 696 is pulled by the left rotating handle 61, then the left connecting rod 694 is moved downwards through the fixed pulley 62, so that the first wedge block 14 is moved downwards, the connecting frame 16, the second sliding block 15 and the second wedge block 17 are moved rightwards, so that the third spring 19 is compressed, when the L-shaped groove 18 on the second wedge block 17 is contacted with the protruding column 21, the fourth spring 22 rebounds to drive the protruding column 21 to move backwards, so that the protruding column 21 enters the L-shaped groove 18, then the left rotating handle 61 is released, the right rotating handle 61 drives the protruding column 21 to move downwards, then the third spring 19 rebounds, so that the protruding column 21 enters the lower side of the L-shaped groove 18 and is clamped, the right rotating handle 61 is released, so that the second wedge block 17 is not reset after the test is completed, the third spring 19 is compressed, thus restoring the parts of the auxiliary device 6, and then the second wedge 17 is released, the third spring 19 rebounds to restore the rest of the parts.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a be convenient for supplementary eyesight testing arrangement of adjustment type for ophthalmology, characterized by including:
a base (1);
the telescopic frame (2) is arranged on the base (1);
the seat stool (3) is arranged on the telescopic frame (2);
the backrest (4) is arranged on the stool (3);
the lifting mechanism (5) is arranged on the base (1);
and the auxiliary device (6) is arranged on the backrest (4).
2. An ophthalmic, easily adjustable auxiliary vision testing device according to claim 1, characterized in that the lifting mechanism (5) comprises:
the mounting frames (51) are mounted on two sides of the stool (3);
a cylinder (52) mounted between the mounting brackets (51);
and the fixed frame (53) is arranged on a piston rod of the air cylinder (52), and the fixed frame (53) is fixedly connected with the telescopic frame (2).
3. An ophthalmic, easily adjustable auxiliary vision test device according to claim 2, characterized in that the auxiliary device (6) comprises:
the rotating handles (61) are rotatably arranged on two sides of the stool (3);
fixed pulleys (62) arranged on two sides of the stool (3);
a first slide rail (63) mounted on the backrest (4);
the first support frame (64) is arranged on the first sliding rail (63);
the first gears (65) are rotatably arranged on two sides of the first support frame (64);
baffles (66) mounted on the first gears (65) on both sides;
the second gear (67) is rotatably arranged on the first support frame (64), and the first gear (65) and the second gear (67) are meshed with each other;
a second support bracket (68) mounted on the first support bracket (64);
a second slide rail (69) mounted on the second support frame (68);
the rack (693) is slidably mounted on the second sliding rail (69), and the rack (693) is meshed with the first gear (65) on one side;
the first telescopic rod (691) is installed between the rack (693) and the second sliding rail (69);
the first spring (692) is arranged between the rack (693) and the second sliding rail (69), and the first spring (692) is sleeved on the first telescopic rod (691);
guide sleeves (695), at least two guide sleeves (695) are arranged on two sides of the backrest (4);
the connecting rod (694) is arranged between the two guide sleeves (695) on the two sides in a sliding mode, and the connecting rod (694) on one side is connected with the rack (693);
the pull wire (696) is wound around the fixed pulley (62) and is arranged between the turning handles (61) at the two sides and the connecting rods (694) at the two sides;
and the limiting blocks (697) are arranged on two sides of the seat (3), and the limiting blocks (697) are matched with the rotating handle (61).
4. An ophthalmic, readily adjustable auxiliary vision testing device as defined in claim 3, further comprising:
the guide blocks (8) are arranged on two sides of the backrest (4);
the first sliding blocks (9) are arranged on two sides of the first sliding rail (63) in a sliding manner;
the belt (7) penetrates through the guide blocks (8) on the two sides and is arranged between the first sliding blocks (9) on the two sides;
the connecting rods (10) are rotatably arranged on the first sliding blocks (9) on the two sides, and the connecting rods (10) on the two sides are rotatably connected;
the connecting block (11) is rotatably arranged at the connecting part of the connecting rod (10);
the second telescopic rod (12) is arranged between the connecting block (11) and the mounting frame (51);
and the second spring (13) is arranged between the connecting block (11) and the mounting frame (51), and the second spring (13) is sleeved on the second telescopic rod (12).
5. An ophthalmic, readily adjustable auxiliary vision testing device as defined in claim 4, further comprising:
a first wedge block (14) mounted on the connecting rod (694) on one side;
the second sliding block (15) is slidably mounted on the first supporting frame (64);
the third spring (19) is arranged between the second sliding block (15) and the first supporting frame (64);
the connecting frame (16) is arranged on the second sliding block (15), and the first wedge-shaped block (14) is matched with the connecting frame (16);
the second wedge-shaped block (17) is arranged on the connecting frame (16), and an L-shaped groove (18) is formed in the second wedge-shaped block (17);
a hollow pipe (20) mounted on the connecting rod (694);
the protruding column (21) is slidably arranged on the hollow pipe (20);
and the fourth spring (22) is arranged between the protruding column (21) and the hollow pipe (20).
6. An ophthalmological, easily adjustable auxiliary vision testing device according to claim 5, characterized in that the belt (7) is extensible and retractable to suit people of different sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122383.1A CN112245216A (en) | 2020-10-20 | 2020-10-20 | Be used for ophthalmology's supplementary eyesight testing arrangement of adjustment type of being convenient for |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122383.1A CN112245216A (en) | 2020-10-20 | 2020-10-20 | Be used for ophthalmology's supplementary eyesight testing arrangement of adjustment type of being convenient for |
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| CN112245216A true CN112245216A (en) | 2021-01-22 |
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| CN108245127A (en) * | 2018-01-18 | 2018-07-06 | 邱长根 | It is a kind of to be easy to adjusting type auxiliary sight test means for ophthalmology |
| CN108433694A (en) * | 2018-02-24 | 2018-08-24 | 周应华 | It is a kind of to facilitate adjusting type to assist sight test means for ophthalmology |
| CN108433695A (en) * | 2018-02-24 | 2018-08-24 | 曾桂英 | It is a kind of to be conveniently adjusted type auxiliary sight test means for ophthalmology |
| CN209252820U (en) * | 2018-08-10 | 2019-08-16 | 王洪亮 | A kind of multi-purpose formula eye examination apparatus of ophthalmology |
| CN210096244U (en) * | 2019-03-07 | 2020-02-21 | 郑州诚优成电子科技有限公司 | Auxiliary device for ophthalmic examination convenient to use |
| CN210749157U (en) * | 2019-08-30 | 2020-06-16 | 曲靖医学高等专科学校 | Vision examination device for medical detection |
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