CN111990963A - 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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- CN111990963A CN111990963A CN202010824289.4A CN202010824289A CN111990963A CN 111990963 A CN111990963 A CN 111990963A CN 202010824289 A CN202010824289 A CN 202010824289A CN 111990963 A CN111990963 A CN 111990963A
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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
- A61B3/02—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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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 utility model provides a can adjust the height of visual acuity chart according to people's height, improve the auxiliary eyesight testing arrangement of the adjusting type of being convenient for that is used for ophthalmology who surveys the precision of eyesight. The auxiliary vision testing device for ophthalmology, which is convenient to adjust, comprises a base and vertical rods, wherein the vertical rods are uniformly arranged on the top of the base; and the height adjusting mechanisms are connected between the vertical rods and the base. Through the cooperation between height adjustment mechanism, pull-up mechanism and the sight alignment mechanism, can adjust the height of visual acuity test chart according to the height of the person who surveys the eyesight to can realize when surveying the eyesight, make the content in the visual acuity test chart keep the same water flat line with the sight of the person who surveys the eyesight all the time.
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
At present, due to the fact that a plurality of office workers work with computers for a long time, the eyesight of people can be reduced, the myopia rate of students is generally higher than that of the office workers, the students cannot have sufficient rest when reading books for a long time, and the myopia is easily caused. Therefore, many people need to measure the eyesight, the method for measuring the eyesight is simple at present, an eyesight test chart is fixed, and then the eyesight of people is tested by appointing to see the eyesight test chart at the specified distance by a person who measures the eyesight.
However, the vision measurement is not accurate because the height of each person is different and the angle of the direct vision test chart of the eyes is different, which directly affects the vision measurement result of people. Therefore, how to make the visual chart move with the height of the person who measures the vision is a problem which is considered now.
The research and development of the utility model can adjust the height of the visual chart according to the height of people, and the convenient adjustment type auxiliary vision testing device for ophthalmology, which improves the precision of vision measurement, is indispensable.
Disclosure of Invention
In order to overcome the defect that the test result is not accurate by relying on an eye chart alone, the technical problem is as follows: the utility model provides a can adjust the height of visual acuity chart according to people's height, improve the auxiliary eyesight testing arrangement of the adjusting type of being convenient for that is used for ophthalmology who surveys the precision of eyesight.
The technical scheme is as follows: an auxiliary vision testing device for ophthalmology, which is convenient to adjust and comprises:
the device comprises a base and vertical rods, wherein the vertical rods are uniformly arranged on the top of the base;
the height adjusting mechanism is connected between the vertical rods and the base;
the upper pulling mechanism is connected between the side part of the height adjusting mechanism and the vertical rod;
the sight alignment mechanism is connected to the pull-up mechanism.
Further, height adjustment mechanism includes:
the side part of the base is connected with a friction rod;
the friction rod is connected with the sliding pipe in a sliding manner;
the side part of the sliding pipe is connected with a connecting plate, and the left side of the connecting plate is connected with an upward pulling mechanism;
the side, away from the connecting plate, of the sliding pipe is rotatably connected with a hinge rod;
the elastic sheet is connected between the hinge rod and the sliding tube;
the friction block is connected with the side of the hinged rod and is in extrusion fit with the friction rod.
Further, the pull-up mechanism includes:
the vertical rods are connected with the guide sleeves in a sliding manner;
the fixing plate is connected between the side parts of the guide sleeves, and the side part of the fixing plate is connected with the connecting plate;
the guide rods are connected to the two sides, far away from the connecting plate, of the fixing plate in a sliding mode;
the display board is connected with the sight alignment mechanism;
the first springs are connected between the guide rod and the bottom of the fixing plate and sleeved outside the guide rod;
the dog, show board lateral part evenly is connected with the dog, dog and sight alignment mechanism's part extrusion fit.
Further, the sight line aligning mechanism includes:
the side part of the fixed plate is connected with the mounting plate;
the side part of the mounting plate is connected with the first sliding sleeve;
the side part of the mounting plate is connected with the second sliding sleeve;
the first sliding sleeve is internally connected with a first sliding rod in a sliding manner;
the second sliding rod is connected with the second sliding sleeve in a sliding manner;
the end part of the first sliding rod is connected with a first baffle;
the side, close to the first baffle, of the second sliding rod is connected with a second baffle, and the second baffle and the first baffle are in extrusion fit with the stop block;
the second spring is connected between the rear side of the first sliding rod and the rear side of the first sliding sleeve and sleeved on the first sliding rod;
a fourth spring is connected between the second sliding sleeve and the second sliding rod, and the fourth spring is sleeved outside the second sliding rod;
the side part of the installation plate is rotatably connected with the wire guide wheel;
the pull rope is connected between the first sliding rod and the second sliding rod and bypasses the wire guide wheel;
the side part of the mounting plate is rotatably connected with a swing rod which is connected with the pull rope;
and a third spring is connected between the swinging rod and the mounting plate.
Further, still including locking mechanical system, locking mechanical system includes:
the top of the rear side of the mounting plate is connected with a first limiting rod;
the bottom of the rear side of the mounting plate is connected with a second limiting plate;
the side part of the mounting plate is rotatably connected with the rotating rod;
the fifth spring is connected between the rotating rod and the mounting plate, and the rotating rod is in extrusion fit with the first limiting rod and the second limiting plate;
the second baffle is provided with a stop lever, and the stop lever is in extrusion fit with the rotating rod;
the first baffle plate is connected with the bevel connection plate in the middle, and the right side of the bevel connection plate is in extrusion fit with the rotating rod.
Further, still including stop gear, stop gear is including:
the top of the display board is connected with a magnet;
backup plate, show board top rotary type is connected with the backup plate, and the backup plate is mutually supported with magnet.
Further, still including distance indication mechanism, distance indication mechanism includes:
the bottom of the base is connected with a measuring tape for measuring distance;
the side part of the tape measure is connected with the pull rod.
The beneficial effects are that: 1. through the cooperation between height adjustment mechanism, pull-up mechanism and the sight alignment mechanism, can adjust the height of visual acuity test chart according to the height of the person who surveys the eyesight to can realize when surveying the eyesight, make the content in the visual acuity test chart keep the same water flat line with the sight of the person who surveys the eyesight all the time.
2. When people move the visual chart, people need to hold the swing rod all the time, the locking mechanism can lock the second baffle, the swing rod does not need to be held all the time by people, the limiting mechanism can accurately position the visual chart, and the distance of a vision measurer can be controlled by the distance indicating mechanism.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partial perspective view of the present invention.
Fig. 3 is a schematic perspective view of the height adjustment mechanism of the present invention.
Fig. 4 is a schematic perspective view of the sight line alignment mechanism of the present invention.
Fig. 5 is a perspective view of the locking mechanism of the present invention.
Fig. 6 is a schematic perspective view of the distance indicating mechanism of the present invention.
Part names and serial numbers in the figure: 1_ base, 2_ vertical bar, 3_ height adjustment mechanism, 31_ friction bar, 32_ sliding tube, 33_ connecting plate, 34_ hinged bar, 35_ shrapnel, 36_ friction block, 4_ pull-up mechanism, 41_ guide sleeve, 42_ fixed plate, 43_ guide bar, 44_ first spring, 45_ show plate, 46_ stop, 5_ sight alignment mechanism, 51_ mounting plate, 52_ first sliding sleeve, 53_ first sliding bar, 54_ first baffle, 55_ second spring, 56_ pull rope, 57_ guide wheel, 58_ swinging bar, 59_ third spring, 510_ second sliding sleeve, 511_ second sliding bar, 512_ second baffle, 513_ fourth spring, 6_ locking mechanism, 61_ first limit bar, 62_ second limit plate, 63_ bevel plate, 64_ stop bar, 65_ rotating bar, 66_ fifth spring, 7_ limit mechanism, 71_ backup plate, 72_ magnet, 8_ distance indication mechanism, 81_ tape measure, 82_ pull rod.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
The utility model provides a be used for ophthalmology auxiliary vision testing arrangement of adjustment type of being convenient for, as shown in fig. 1-2, including base 1, montant 2, height adjusting mechanism 3, pull-up mechanism 4 and sight alignment mechanism 5, the even montant 2 that is equipped with in base 1 top, be connected with height adjusting mechanism 3 between 2 upper portions of montant and between the base 1, be connected with between 3 left sides of height adjusting mechanism and the montant 2 and be equipped with pull-up mechanism 4, be connected with sight alignment mechanism 5 on the pull-up mechanism 4.
When people need to test eyesight, paste the eyesight table on the part of pull-up mechanism 4 earlier, adjust the height that removes height adjustment mechanism 3 according to the height of testing eyesight person again, and then adjust the height of pull-up mechanism 4 and sight alignment mechanism 5, then test eyesight person can stand on suitable position, when testing eyesight person has seen the letter on the eyesight table on the same level, people stir the part of sight alignment mechanism 5 again, under the effect of pull-up mechanism 4, make pull-up mechanism 4, sight alignment mechanism 5 and eyesight table slowly rebound, make the letter rebound of next line to the same water flat line of testing eyesight person, can realize accurate eyesight test like this.
Example 2
Based on embodiment 1, as shown in fig. 2-3, the height adjustment mechanism 3 includes a friction rod 31, a sliding tube 32, a connecting plate 33, a hinge rod 34, a spring plate 35, and a friction block 36, the right side of the base 1 is connected with the friction rod 31, the friction rod 31 is slidably connected with the sliding tube 32, the left side of the sliding tube 32 is connected with the connecting plate 33, the left side of the connecting plate 33 is connected with the pull-up mechanism 4, the right side of the sliding tube 32 is rotatably connected with the hinge rod 34, the spring plate 35 is connected between the left side of the lower portion of the hinge rod 34 and the sliding tube 32, the left side of the upper portion of the hinge rod 34 is connected with the friction block 36.
When people need adjust the height of visual acuity chart, according to survey eyesight person's height, stir articulated rod 34 to the left side, shell fragment 35 is compressed, articulated rod 34 upper portion drives the friction piece 36 and removes to the right side, people can make sliding tube 32 reciprocate, sliding tube 32 reciprocates and drives connecting plate 33, pull-up mechanism 4, sight alignment mechanism 5 and visual acuity chart reciprocate, make the visual acuity chart remove suitable position, people can loosen articulated rod 34, under the effect of shell fragment 35, make articulated rod 34 upper portion and friction piece 36 block friction lever 31 left, can adjust the position with the visual acuity chart like this.
Pull-up mechanism 4 is including guide pin bushing 41, fixed plate 42, guide arm 43, first spring 44, show board 45 and dog 46, all sliding connection has guide pin bushing 41 on the montant 2, be connected with fixed plate 42 between the guide pin bushing 41 left side, the fixed plate 42 lateral part is connected with connecting plate 33, both sides all sliding connection has guide arm 43 around the fixed plate 42 left part, be connected with show board 45 between the upper and lower both sides left part of guide arm 43, show board 45 is connected with sight alignment mechanism 5, all be connected with first spring 44 between guide arm 43 lower part and the fixed plate 42 bottom, first spring 44 all overlaps in the guide arm 43 outside, show board 45 right side evenly is connected with dog 46, dog 46 and sight alignment mechanism 5's part extrusion fit.
When people need to measure eyesight, the visual chart is firstly pasted on the left side of the display board 45, the sliding tube 32 and the connecting plate 33 are moved up and down by people to drive the guide sleeve 41, the fixing plate 42, the display board 45, the stop block 46 and the visual chart aligning mechanism 5 to move up and down continuously, after the positions are adjusted, when the eyesight measuring people finish seeing the letters on the visual chart on the same level, the people shift the parts of the visual chart aligning mechanism 5 again, under the action of the first spring 44, the guide rod 43, the stop block 46, the display board 45 and the visual chart move up one lattice, the letters on the next row move up to the same horizontal line of the eyesight measuring people, when the first spring 44 is reset completely, the stop block 46, the display board 45 and the visual chart move up to the top, the people can shift the parts of the visual chart aligning mechanism 5, and then the guide rod 43, the stop block 46, the display board 45 and the visual chart move down to the lowest side, the vision measurement can be completed by repeating the above operations.
Example 3
On the basis of embodiment 2, as shown in fig. 4-6, the sight line aligning mechanism 5 includes a mounting plate 51, a first sliding sleeve 52, a first sliding rod 53, a first baffle 54, a second spring 55, a pull rope 56, a guide wheel 57, a swinging rod 58, a third spring 59, a second sliding sleeve 510, a second sliding rod 511, a second baffle 512 and a fourth spring 513, the mounting plate 42 is connected to the front side, the first sliding sleeve 52 is connected to the upper portion of the left side of the mounting plate 51, the second sliding sleeve 510 is connected to the lower portion of the left side of the mounting plate 51, the first sliding sleeve 52 is connected to the first sliding rod 53 in a sliding manner, the second sliding sleeve 510 is connected to the second sliding rod 511 in a sliding manner, the first baffle 54 is connected to the rear end of the first sliding rod 53, the second baffle 512 is connected to the rear end of the second sliding rod 511, the second baffle 512 and the first baffle 54 are both in a pressing fit with the baffle 46, the second spring 55 is connected between the, the second spring 55 is sleeved on the first sliding rod 53, a fourth spring 513 is connected between the front side of the second sliding sleeve 510 and the front side of the second sliding rod 511, the fourth spring 513 is sleeved on the outer side of the second sliding rod 511, the front part of the left side of the mounting plate 51 is rotatably connected with a wire guide wheel 57, a pull rope 56 is connected between the first sliding rod 53 and the front end of the second sliding rod 511, the pull rope 56 bypasses the wire guide wheel 57, the upper side of the front part of the left side of the mounting plate 51 is rotatably connected with a swinging rod 58, the upper side of the swinging rod 58 is connected with the upper side of the pull rope 56, and a third spring 59 is.
When a person needs to move the next row upwards, the person can shift the swing rod 58 to move forwards, the third spring 59 is stretched, the upper part of the pulling rope 56 moves forwards to drive the first sliding rod 53 and the first baffle plate 54 to move forwards, the second spring 55 is compressed, the first baffle plate 54 is separated from the baffle plate 46 at the moment, the baffle plate 46 and the fixing plate 42 move upwards, the lower part of the pulling rope 56 moves backwards under the action of the second sliding rod 511, the second sliding rod 511 and the second baffle plate 512 move backwards, the next baffle plate 46 is blocked at the bottom of the second baffle plate 512, then the person looses his hand, the swinging rod 58 is driven to swing and reset under the action of the third spring 59, the first sliding rod 53 and the first baffle plate 54 are driven to move backwards and reset under the action of the second spring 55, the pulling rope 56 drives the second sliding rod 511 and the second baffle plate 512 to move forwards at the moment, and the third spring 59 is compressed, at this moment, the second baffle 512 moves forwards to separate from the baffle 46, the fixing plate 42 and the test meter continue to move forwards, so that the baffle 46 is in extrusion fit with the first baffle 54, and the vision testing can be completed by repeating the above operations.
Still including locking mechanical system 6, locking mechanical system 6 is including first gag lever post 61, second limiting plate 62, bevel connection board 63, pin 64, bull stick 65 and fifth spring 66, mounting panel 51 rear side top is connected with first gag lever post 61, mounting panel 51 rear side bottom is connected with second limiting plate 62, mounting panel 51 rear side right part downside pivoted is connected with bull stick 65, be connected with fifth spring 66 between the middle of the bull stick 65 front side and the mounting panel 51 rear side right part downside, bull stick 65 all with first gag lever post 61 and second limiting plate 62 extrusion fit, be equipped with pin 64 in the middle of second baffle 512, pin 64 right side and bull stick 65 extrusion fit, be connected with bevel connection board 63 in the middle of first baffle 54, bevel connection board 63 right side and bull stick 65 extrusion fit.
When the first baffle 54 moves backwards to block the stop block 46, the bevel plate 63 is driven to move backwards, people can rotate the rotating rod 65 upwards, the upper portion of the rotating rod 65 is attached to the first limiting rod 61, the fifth spring 66 is stretched, people can loosen the swinging rod 58, the second baffle 512 moves backwards to drive the stop rod 64 to move backwards, due to the blocking of the rotating rod 65, the second baffle 512 cannot move backwards, people do not need to hold the swinging rod 58 directly, when needing to move the visual chart upwards, the rotating rod 65 is shifted downwards to reset, the fifth spring 66 resets, the stop rod 64 and the second baffle 512 move backwards, and the locking effect can be achieved by repeating the operations.
Still including stop gear 7, stop gear 7 is connected with magnet 72 including backup plate 71 and magnet 72, and show board 45 top front side is connected with magnet 72, and show board 45 top rear side is the rotation type and is connected with backup plate 71, and backup plate 71 and magnet 72 mutually support.
The backup plate 71 can be rotated away, the backup plate 71 is attached to the head of a person who tests the strength, the height is adjusted, and then the backup plate 71 is rotated and reset by people, so that the backup plate 71 is attached to the magnet 72.
The distance indicating device further comprises a distance indicating mechanism 8, wherein the distance indicating mechanism 8 comprises a measuring tape 81 and a pull rod 82, the measuring tape 81 is connected to the bottom of the base 1, and the pull rod 82 is connected to the left side of the measuring tape 81.
When people need to measure eyesight, the pull rod 82 is pulled out, so that the measuring tape 81 is pulled out, and the distance between a tester and the device is measured according to the needs of people.
It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.
Claims (7)
1. An auxiliary vision testing device convenient to adjust for ophthalmology, which is characterized by comprising:
the device comprises a base (1) and vertical rods (2), wherein the vertical rods (2) are uniformly arranged on the top of the base (1);
the height adjusting mechanism (3) is connected between the vertical rods (2) and the base (1);
the upper pulling mechanism (4) is connected between the side part of the height adjusting mechanism (3) and the vertical rod (2);
the sight alignment mechanism (5) is connected to the pull-up mechanism (4).
2. An ophthalmic, adjustment-facilitating auxiliary vision testing device according to claim 1, wherein the height adjusting mechanism (3) comprises:
a friction rod (31), wherein the side part of the base (1) is connected with the friction rod (31);
the friction rod (31) is connected with the sliding pipe (32) in a sliding way;
the side part of the sliding pipe (32) is connected with the connecting plate (33), and the left side of the connecting plate (33) is connected with the pull-up mechanism (4);
the side, far away from the connecting plate (33), of the sliding pipe (32) is rotatably connected with the hinge rod (34);
the elastic sheet (35) is connected between the hinged rod (34) and the sliding tube (32);
the friction block (36) is connected to the side of the hinge rod (34), and the friction block (36) is in extrusion fit with the friction rod (31).
3. An ophthalmic, adjustment-facilitating auxiliary vision testing device according to claim 2, wherein the pull-up mechanism (4) comprises:
the guide sleeves (41) are connected to the vertical rods (2) in a sliding manner;
the fixing plate (42) is connected between the side parts of the guide sleeves (41), and the side part of the fixing plate (42) is connected with the connecting plate (33);
the guide rods (43) are connected to the two sides, far away from the connecting plate (33), of the fixing plate (42) in a sliding mode;
the display plate (45) is connected between the two sides of the guide rod (43) and used for displaying the visual chart, and the display plate (45) is connected with the sight line aligning mechanism (5);
the first springs (44) are connected between the guide rod (43) and the bottom of the fixing plate (42), and the first springs (44) are sleeved on the outer sides of the guide rod (43);
the side of the display board (45) is evenly connected with the stop blocks (46), and the stop blocks (46) are in extrusion fit with parts of the sight line aligning mechanism (5).
4. An ophthalmic, adjustment-facilitating auxiliary vision testing device according to claim 3, wherein the sight line aligning mechanism (5) comprises:
the mounting plate (51) is connected with the side part of the fixed plate (42);
the first sliding sleeve (52) is connected to the side of the mounting plate (51);
the side of the mounting plate (51) is connected with the second sliding sleeve (510);
the first sliding rod (53) is connected with the first sliding sleeve (52) in a sliding manner;
the second sliding rod (511) is connected with the second sliding sleeve (510) in an inward sliding manner;
the end part of the first sliding rod (53) is connected with a first baffle (54);
the second baffle (512) is connected to one side, close to the first baffle (54), of the second sliding rod (511), and the second baffle (512) and the first baffle (54) are in extrusion fit with the stop block (46);
the second spring (55) is connected between the rear side of the first sliding rod (53) and the rear side of the first sliding sleeve (52), and the second spring (55) is sleeved on the first sliding rod (53);
a fourth spring (513) is connected between the second sliding sleeve (510) and the second sliding rod (511), and the fourth spring (513) is sleeved outside the second sliding rod (511);
the wire guide wheel (57) is rotatably connected to the side part of the mounting plate (51);
the pull rope (56) is connected between the first sliding rod (53) and the second sliding rod (511), and the pull rope (56) bypasses the wire guide wheel (57);
the swing rod (58) is rotatably connected to the side part of the mounting plate (51), and the swing rod (58) is connected with the pull rope (56);
and a third spring (59), wherein the third spring (59) is connected between the swinging rod (58) and the mounting plate (51).
5. An ophthalmic, adjustment-facilitating auxiliary vision testing device according to claim 4, further comprising a locking mechanism (6), wherein the locking mechanism (6) comprises:
the top of the rear side of the mounting plate (51) is connected with a first limiting rod (61);
the bottom of the rear side of the mounting plate (51) is connected with a second limiting plate (62);
the side part of the mounting plate (51) is rotatably connected with the rotating rod (65);
the fifth spring (66) is connected between the rotating rod (65) and the mounting plate (51), and the rotating rod (65) is in extrusion fit with the first limiting rod (61) and the second limiting plate (62);
the second baffle (512) is provided with a stop lever (64), and the stop lever (64) is in extrusion fit with the rotating rod (65);
the middle of the first baffle (54) is connected with the bevel plate (63), and the right side of the bevel plate (63) is in extrusion fit with the rotating rod (65).
6. An ophthalmic auxiliary vision testing device of the adjustable type according to claim 5, further comprising a limiting mechanism (7), wherein the limiting mechanism (7) comprises:
the magnet (72) is connected to the top of the display board (45);
the top of the display board (45) is rotatably connected with a backup plate (71), and the backup plate (71) is matched with the magnet (72).
7. An ophthalmic, adjustment-facilitating auxiliary vision testing device according to claim 6, further comprising a distance indicating mechanism (8), the distance indicating mechanism (8) comprising:
the bottom of the base (1) is connected with a measuring tape (81) for measuring distance;
the side part of the measuring tape (81) is connected with the pull rod (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824289.4A CN111990963B (en) | 2020-08-17 | 2020-08-17 | Be used for ophthalmic supplementary eyesight testing arrangement of adjustment of being convenient for |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824289.4A CN111990963B (en) | 2020-08-17 | 2020-08-17 | Be used for ophthalmic supplementary eyesight testing arrangement of adjustment of being convenient for |
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| Publication Number | Publication Date |
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| CN111990963A true CN111990963A (en) | 2020-11-27 |
| CN111990963B CN111990963B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010824289.4A Active CN111990963B (en) | 2020-08-17 | 2020-08-17 | Be used for ophthalmic supplementary eyesight testing arrangement of adjustment of being convenient for |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206365878U (en) * | 2016-10-09 | 2017-08-01 | 黄兴富 | A kind of lift visual testing chart |
| CN108175374A (en) * | 2018-01-05 | 2018-06-19 | 邱长根 | It is a kind of to be conveniently adjusted type Vission detector for ophthalmology |
| 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 |
| CN108294724A (en) * | 2018-01-04 | 2018-07-20 | 朱线莉 | It is a kind of to be easy to adjusting type Vission detector for ophthalmology |
| CN108478183A (en) * | 2018-04-19 | 2018-09-04 | 赖文豪 | A kind of vision testing device that ophthalmic is moved easily |
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2020
- 2020-08-17 CN CN202010824289.4A patent/CN111990963B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206365878U (en) * | 2016-10-09 | 2017-08-01 | 黄兴富 | A kind of lift visual testing chart |
| CN108294724A (en) * | 2018-01-04 | 2018-07-20 | 朱线莉 | It is a kind of to be easy to adjusting type Vission detector for ophthalmology |
| CN108175374A (en) * | 2018-01-05 | 2018-06-19 | 邱长根 | It is a kind of to be conveniently adjusted type Vission detector for ophthalmology |
| 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 |
| CN108478183A (en) * | 2018-04-19 | 2018-09-04 | 赖文豪 | A kind of vision testing device that ophthalmic is moved easily |
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| Publication number | Publication date |
|---|---|
| CN111990963B (en) | 2023-06-23 |
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