CN113143198A - Prism row lens inspection device for strabismus inspection - Google Patents
Prism row lens inspection device for strabismus inspection Download PDFInfo
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- CN113143198A CN113143198A CN202110426414.0A CN202110426414A CN113143198A CN 113143198 A CN113143198 A CN 113143198A CN 202110426414 A CN202110426414 A CN 202110426414A CN 113143198 A CN113143198 A CN 113143198A
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- prism
- horizontal
- prism row
- strabismus
- sliding
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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
- A61B3/08—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
- A61B3/085—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus for testing strabismus
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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
Abstract
The invention discloses a prism row mirror inspection device for strabismus inspection, which has the main technical scheme that: the inspection table comprises two fixed columns, a head support and a movable support, the head support is arranged between the two fixed columns, two ends of the movable support are movably connected with the two fixed columns respectively, and the movable support can perform lifting motion in the vertical direction; the prism row mirror control mechanism comprises a horizontal sliding seat and a sliding part, the horizontal sliding seat is fixedly connected with the movable support, a vertical sliding groove is formed in the sliding part, and the prism row mirror is embedded in the vertical sliding groove; the prism row mirror comprises a plurality of prisms with different prism degrees, the prisms are sequentially arranged according to a fixed prism degree gradient, a positioning mechanism is arranged between the vertical chute and the prism row mirror, and the prism row mirror is moved up or down each time according to a fixed displacement distance through the positioning mechanism; and a shading plate for shading eyes is also arranged and is horizontally and slidably connected with the movable support or the horizontal sliding seat.
Description
Technical Field
The invention relates to the technical field of ophthalmic instruments, in particular to a prism row mirror inspection device for strabismus inspection.
Background
Strabismus refers to an abnormal eye position where the visual axis of one eye deviates from parallel when the other eye is gazing. Most of the patients with strabismus have reduced or lost stereovision, the patients with monocular suppression can have amblyopia, and some patients have diplopia and confusion.
Strabismus generally comprises inward strabismus, outward strabismus and upward and downward strabismus, and the inward strabismus refers to inward deviation of the eye position; outward strabismus refers to outward deviation of the eye position, which can be generally divided into intermittent and constant outward strabismus; the oblique view refers to the deviation of the eyes upward or downward, which is less common than the inward and outward ones, and the oblique view usually accompanies the head with a deviation, i.e. compensates for the head position.
The degree of strabismus is quantified by commonly using the strabismus degree in medicine, the strabismus degree is accurately detected, the subsequent strabismus training and the strabismus operation scheme design are facilitated, the method of covering through the matching of prisms, covering removing, alternate covering and the like is the most commonly used and relatively accurate strabismus degree detection method, a prism row lens exists in a commonly used prism inspection tool at present, prisms with a plurality of prism degrees are sequentially arranged to form an integrated row-shaped structure, the prism row lens is placed in front of a certain eye of a patient during the conventional strabismus inspection, the prism row lens is moved up and down, the prism degree of strabismus of the patient is gradually increased, and the prism degree of the strabismus of the patient is just the strabismus degree of the patient at the moment until eyeballs do not move any more.
However, in the current strabismus inspection, an inspector generally holds the prism row mirror to operate, so that the prism inevitably tilts in the process of moving the prism row mirror, and the refraction direction of the prism deviates; even if a certain prism is aligned with the eyeball, the handheld stability is difficult to ensure, the distance between the prism and the eyeball is difficult to control, and the factors not only increase the working difficulty of inspectors, but also cause inaccurate measuring results.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a prism row lens inspection device for strabismus inspection, which limits the motion path of the prism row lens through a special structure, so that the prism row lens can only move in the horizontal direction and the vertical direction, aims at the eyeball to be inspected of a patient by controlling the horizontal movement of the prism row lens, and aims at the eyeball to be inspected to inspect the strabismus degree by controlling the vertical movement of the prism row lens.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
a prism row mirror inspection device for strabismus inspection comprises an inspection table, a prism row mirror and a row mirror control mechanism, wherein the inspection table comprises two fixed columns, a head support and a movable support, the head support is used for supporting the head of a patient, the head support is arranged between the two fixed columns, two ends of the movable support are movably connected with the two fixed columns respectively, and the movable support can perform lifting motion in the vertical direction; the prism row mirror control mechanism comprises a horizontal sliding seat and a sliding part for driving the prism row mirror to slide on the horizontal sliding seat, the horizontal sliding seat is fixedly connected with the movable support, a vertical sliding groove is formed in the sliding part, and the prism row mirror is embedded in the vertical sliding groove; the prism row mirror comprises a plurality of prisms which are arranged at equal intervals and have different prism degrees, the prisms are sequentially arranged according to a fixed prism degree gradient, a positioning mechanism is arranged between the vertical sliding chute and the prism row mirror, and the prism row mirror moves up or down at each time according to a fixed displacement distance through the positioning mechanism; and the shading plate is used for shading one eye of the glasses and is horizontally and slidably connected with the movable support or the horizontal sliding seat.
Compared with the prior art, the prism row mirror inspection device for strabismus inspection, which adopts the technical scheme, has the following beneficial effects:
the inspection table provides a reasonable inspection platform for a patient, the head support of the inspection table is used for supporting and positioning the head of the patient, shaking of the head of the patient in the inspection process is reduced, the one-time success rate of inspection is improved, and the detection accuracy is improved.
Two, restrict the prism row mirror through horizontal slide and vertical spout and can only remove with the route of horizontal direction and vertical direction, arrange mirror horizontal migration in order to aim at the eyeball that awaits measuring through control prism, arrange the vertical removal of mirror in order to aim at the eyeball that awaits measuring with the prism of different prism degrees through control prism, in order to carry out the inspection of squint degree, owing to arrange the restriction of mirror displacement direction at the detection process to prism, can effectively avoid the prism to take place to incline, improve prism stability, thereby improve the inspection accuracy.
In order to prevent the next prism from moving improperly or excessively when the prisms are switched, and to guide the prism to be misaligned with the eyeball to be detected, the prism row mirror is moved up or down at a fixed displacement distance each time through the positioning mechanism, and the prism can be guaranteed to be opposite to the eyeball to be detected after switching each time.
The light screen position is adjustable and need not to be handheld, when the switching of eye inspection about going on, only need with the light screen transfer to right side and left side can, can liberate inspection personnel both hands, reduce work load and the work degree of difficulty.
Preferably, the movable support is provided with a levelness adjusting mechanism, and the levelness of the movable support can be adjusted by the levelness adjusting mechanism so as to adjust the levelness of the horizontal sliding seat.
Preferably, levelness adjustment mechanism includes levelness reference member and two knobs that are used for adjusting the height of movable support both ends respectively, and the naked eye is difficult for judging sometimes that horizontal sliding seat has been in the horizontality, if this device is on uneven ground or platform, or because this device self structure reason leads to horizontal sliding seat not to be in the horizontality, and the naked eye can't distinguish, can adjust horizontal sliding seat to the horizontality through levelness adjustment mechanism, guarantees the accuracy of testing result.
Preferably, the prism bank of mirrors is including the horizontal bank of mirrors that is used for surveying the horizontal strabismus and the vertical bank of mirrors that is used for surveying the vertical strabismus, the quantity of slider is two, two slider relatively independent settings just all can slide on horizontal slide, horizontal bank of mirrors and vertical bank of mirrors can be installed respectively to two sliders, also can install two horizontal bank of mirrors or two vertical bank of mirrors simultaneously, both can conveniently carry out the switching of monocular horizontal strabismus inspection and vertical strabismus inspection, can carry out the horizontal strabismus inspection or vertical strabismus inspection simultaneously again, not only improved the convenience of strabismus inspection, also can reduce cost and drop into, reduce the space and occupy.
Preferably, the slider is connected with a first push button, the light screen is connected with the horizontal sliding seat in a sliding manner, a second push button is arranged at the sliding connection position of the light screen and the horizontal sliding seat, the first push button and the second push button are both positioned on the outer side wall of the horizontal sliding seat, and the prism row lens and the light screen can be conveniently moved to the target position through the first push button and the second push button.
Preferably, an intelligent control system is further provided, and the intelligent control system comprises man-machine interaction, data processing and driving functions, and drives the sliding part and the light shielding plate to slide in the horizontal direction by a specific distance and drives the prism row mirror to slide in the vertical direction by a specific distance through the intelligent control system.
Preferably, the intelligent control system comprises a first driving element for driving the slider, a second driving element for driving the light screen and a third driving element for driving the slider prism row mirror, the first driving element, the second driving element and the third driving element are all connected to an external intelligent platform, so that the whole inspection process is automatic and intelligent, errors caused by human factors can be effectively avoided, detection errors are reduced, the workload of inspectors can be reduced, only the pupil distance data of a patient needs to be input through a human-computer interaction function, the prism row mirror and the light screen can be automatically moved to a target position, and the prism row mirror automatically ascends and descends to detect the degree of strabismus.
Preferably, the slide is provided with a clamping structure for clamping itself in the horizontal slide.
Preferably, the middle part of the horizontal sliding seat is provided with a sliding groove which penetrates through the horizontal sliding seat up and down, and the sliding piece is embedded into the sliding groove; the clamping structure comprises a hollow clamping seat, a clamping block and a switching rod, wherein the clamping block is arranged in the clamping seat in a built-in mode, the switching rod is used for controlling the rotation of the clamping block, an elastic anti-slip surface is arranged on one side, facing the inner wall of the sliding groove, of the clamping seat, the clamping block is an oval cylinder, when the clamping block rotates to the position that the long axis of the clamping block is perpendicular to the sliding direction of the sliding piece, the clamping block tightly pushes the elastic anti-slip surfaces on the two sides of the clamping seat against the inner wall of the sliding groove, the situation that the sliding piece is positioned to a target position and fails in detection or is inaccurate in detection due to the fact that the sliding piece is not fixed in the detection process can be avoided, the clamping structure can clamp the sliding piece in the sliding groove only by twisting the switching rod, the clamping structure is reasonable in matching with a horizontal sliding seat, and the operation is simple.
Drawings
Fig. 1 and 2 are schematic structural views of an embodiment 1 of the prism row mirror inspection apparatus for strabismus inspection according to the present invention.
Fig. 3 is an enlarged schematic view of a point a in fig. 2.
Fig. 4 is an enlarged schematic view of fig. 2 at B.
Fig. 5 is a schematic structural view of the positioning mechanism in embodiment 1.
FIG. 6 is a schematic diagram of the use of example 1.
Fig. 7 is a schematic structural view of the clamping structure in embodiment 1.
Fig. 8 and 9 are schematic views showing the operation of the clamping structure in embodiment 1.
Reference numerals: 1. an inspection table; 10. fixing a column; 11. a head rest; 12. a movable support; 120. a slide bar; 2. arranging prisms; 20. a horizontal row mirror; 21. a vertical line of goggles; 22. a handle; 3. a row mirror control mechanism; 30. a horizontal slide; 300. a chute; 31. a slider; 310. a vertical chute; 311. a first push button; 312. a card holder; 3120. an elastic anti-slip surface; 313. a clamping block; 314. a switch lever; 4. a visor; 40. a second push button; 5. a positioning mechanism; 50. positioning a groove; 51. an elastic positioning block; 6. a levelness adjusting mechanism; 60. a levelness reference; 61. a knob.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 and 2, the prism row mirror inspection device for strabismus inspection includes an inspection table 1, a prism row mirror 2, a row mirror control mechanism 3 and a light shielding plate 4, the inspection table 1 includes two fixed columns 10, a head support 11 and a movable support 12 for supporting the head of a patient, the head support 11 is disposed between the two fixed columns 10, the movable support 12 is disposed at the upper end of the fixed columns 10, two ends of the movable support 12 are respectively provided with a sliding rod 120, the sliding rod 120 is sleeved in the fixed columns 10 and can slide relatively, the movable support 12 can perform lifting movement in the vertical direction, and the light shielding plate 4 is horizontally slidably connected with a horizontal sliding seat 30.
As shown in fig. 3 to 5, the endoscope control mechanism 3 includes a horizontal slide 30 and two sliders 31 for driving the prism endoscope 2 to slide on the horizontal slide 30, the horizontal slide 30 is fixedly connected with the movable support 12 integrally, a vertical sliding slot 310 is provided in the slider 31, both the horizontal endoscope 20 and the vertical endoscope 21 can be embedded into the two vertical sliding slots 310, the two sliders 31 are independently provided and can slide on the horizontal slide 30, the two sliders 31 can respectively mount the horizontal endoscope 20 and the vertical endoscope 21, and can also mount the two horizontal endoscopes 20 or the two vertical endoscopes 21 simultaneously, and by moving the horizontal endoscope 20 and the vertical endoscope 21 in the horizontal direction, switching between horizontal strabismus inspection and vertical strabismus inspection can be performed without adding devices.
The two ends of the horizontal row lens 20 and the vertical row lens 21 are respectively provided with a handle 22, and the horizontal row lens 20/the vertical row lens 21 can be controlled to move up and down in the vertical sliding groove 310 by pinching the handles 22.
A positioning mechanism 5 is arranged between the vertical sliding groove 310 and the horizontal row lenses 20 and the vertical row lenses 21, the horizontal row lenses 20/the vertical row lenses 21 move up or down at a fixed displacement distance each time through the positioning mechanism 5, the positioning mechanism 5 comprises a plurality of positioning grooves 50 and an elastic positioning block 51, the positioning grooves 50 are arranged on the side edges of the horizontal row lenses 20/the vertical row lenses 21 at equal intervals, and when the elastic positioning block 51 is separated from one positioning groove 50 and bounces into the next positioning groove 50, the next lens in the horizontal row lenses 20/the vertical row lenses 21 just moves to the position of the previous lens, so that each lens can be just opposite to the eyeball of the patient to be measured.
The sliding member 31 is connected with a first push button 311, a second push button 40 is arranged at the sliding connection position of the light shielding plate 4 and the horizontal sliding seat 30, the first push button 311 and the second push button 40 are both positioned on the outer side wall of the horizontal sliding seat 30, and the prism row mirror 2 and the light shielding plate 4 can be conveniently moved to a target position through the first push button 311 and the second push button 40.
As shown in fig. 4, the movable support 12 is provided with a levelness adjusting mechanism 6, the levelness adjusting mechanism 6 comprises a levelness reference member 60 and two knobs 61 for adjusting the heights of two end portions of the movable support 12, the levelness reference member 60 can adopt a technology similar to a bubble level meter, when the movable support 12 is not in a horizontal state, bubbles in the levelness reference member 60 deviate from a middle position, if the device is on uneven ground or an inclined platform, or if the horizontal sliding base 30 is not in a horizontal state due to self-structure reasons, the horizontal sliding base 30 can not be judged to be in a horizontal state by naked eyes due to an insufficient inclination degree, and at this time, the levelness of the movable support 12 can be adjusted by the levelness adjusting mechanism 6, so as to adjust the levelness of the horizontal sliding base 30.
As shown in fig. 6, the horizontal row mirror 20/the vertical row mirror 21 is restricted from being displaced only in the horizontal and vertical paths by the horizontal slider 30 and the vertical slide groove 310. By taking the vertical strabismus as an example, the vertical strabismus 21 is controlled to move horizontally to align the eyeball to be detected, the light shielding plate 4 is controlled to shield the other eyeball, then the vertical strabismus 21 is controlled to move vertically to align the lens with different prism degrees to the eyeball to be detected, so that the strabismus degree detection is carried out, and due to the limitation on the displacement direction of the prism strabismus 2 in the detection process, the prism can be effectively prevented from inclining, the prism stability is improved, and the detection accuracy is improved.
As shown in fig. 7 to 9, the sliding member 31 is provided with a clamping structure for clamping itself in the horizontal sliding base 30, the middle portion of the horizontal sliding base 30 is provided with a sliding slot 300 penetrating up and down, the sliding member 31 is embedded in the sliding slot 300, the clamping structure includes a hollow clamping seat 312, a clamping block 313 embedded in the clamping seat 312 and a switching rod 314 for controlling the rotation of the clamping block 313, one side of the clamping seat 312 facing the inner wall of the sliding slot 300 is provided with an elastic anti-slip surface 3120, the clamping block 313 is an elliptical cylinder, when the clamping block 313 rotates to a position where the long axis thereof is perpendicular to the sliding direction of the sliding member 31, the clamping block 313 tightly props the elastic anti-slip surfaces 3120 at both sides of the clamping seat 312 against the inner wall of the sliding slot 300, so that the sliding member 31 can be prevented from sliding again after being positioned at the target position, and the sliding member 31 can be clamped in the sliding slot 300 only by twisting the switching rod 314 through the above structure.
Example 2:
the present embodiment has substantially the same technical content as embodiment 1, and the technical difference between the present embodiment and embodiment 1 is as follows:
this scheme is equipped with intelligence control system, intelligence control system is including the first drive element who is used for driving slider 31, a third drive element who is used for driving second drive element of light screen 4 and is used for driving slider 31 prism row mirror 2, first drive element, second drive element and third drive element all are connected to outside intelligent platform (like the computer of hospital, be equipped with the software of using with intelligent control system is supporting on this computer), only need through man-machine interaction function input patient's interpupillary distance data, prism row mirror 2 and light screen 4 alright with automatic movement to the target location, and prism row mirror 2 automatic rising carries out the detection of squint degree.
The following three purposes can be achieved through the intelligent control system:
(1) analyzing the input pupil distance data, calculating a target position (namely a position corresponding to an eyeball to be detected) which needs to be reached by the horizontal row lens 20/the vertical row lens 21, and controlling the first driving element to work so that the sliding piece 31 drives the horizontal row lens 20/the vertical row lens 21 to move in the horizontal direction until the target position is reached;
(2) controlling the second driving element to work to move the shading plate 4 to the front of the other eyeball;
(3) and controlling the horizontal row lens 20/the vertical row lens 21 to move gradually in the vertical direction according to preset data, and moving for a fixed distance each time, so that the lenses with different prism degrees can be sequentially aligned to the eyeball to be measured of the patient to measure the strabismus degree.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (9)
1. A prism row mirror inspection device for strabismus inspection is characterized in that: comprises an inspection table (1), a prism row mirror (2) and a row mirror control mechanism (3),
the examination table (1) comprises two fixed columns (10), a head support (11) for supporting the head of the patient and a movable support (12), wherein the head support (11) is arranged between the two fixed columns (10), two ends of the movable support (12) are movably connected with the two fixed columns (10) respectively, and the movable support (12) can perform lifting motion in the vertical direction;
the lens arrangement control mechanism (3) comprises a horizontal sliding seat (30) and a sliding part (31) for driving the prism lens arrangement (2) to slide on the horizontal sliding seat (30), the horizontal sliding seat (30) is fixedly connected with the movable support (12), a vertical sliding groove (310) is arranged in the sliding part (31), and the prism lens arrangement (2) is embedded in the vertical sliding groove (310);
the prism row mirror (2) comprises a plurality of prisms which are arranged at equal intervals and have different prism degrees, the prisms are sequentially arranged according to a fixed prism degree gradient, a positioning mechanism (5) is arranged between the vertical chute (310) and the prism row mirror (2), and the prism row mirror (2) moves up or down at a fixed displacement distance each time through the positioning mechanism (5);
-a light screen (4) for covering one of the eyes is also provided, the light screen (4) being horizontally slidably connected to the cradle (12) or horizontal slide (30).
2. The prism row mirror inspection apparatus for strabismus inspection according to claim 1, wherein: the movable support (12) is provided with a levelness adjusting mechanism (6), and the levelness of the movable support (12) can be adjusted through the levelness adjusting mechanism (6) so as to adjust the levelness of the horizontal sliding seat (30).
3. The prism row mirror inspection apparatus for strabismus inspection according to claim 2, wherein: the levelness adjusting mechanism (6) comprises a levelness reference piece (60) and two knobs (61) which are respectively used for adjusting the heights of two end parts of the movable support (12).
4. The prism row mirror inspection apparatus for strabismus inspection according to claim 1, wherein: prism bank mirror (2) are including horizontal bank mirror (20) that are used for surveying the horizontal strabismus and vertical bank mirror (21) that are used for surveying the vertical strabismus, the quantity of slider (31) is two, and two sliders (31) relatively independent sets up and all can slide on horizontal slide (30).
5. The prism row mirror inspection apparatus for strabismus inspection according to claim 1, wherein: the light shielding plate is characterized in that the sliding piece (31) is connected with a first push button (311), the light shielding plate (4) is connected with the horizontal sliding seat (30) in a sliding mode, a second push button (40) is arranged at the sliding connection position of the light shielding plate (4) and the horizontal sliding seat (30), and the first push button (311) and the second push button (40) are both located on the outer side wall of the horizontal sliding seat (30).
6. The prism row mirror inspection apparatus for strabismus inspection according to claim 1, wherein: the intelligent control system comprises man-machine interaction, data processing and driving functions, and drives the sliding piece (31) and the light shielding plate (4) to slide in the horizontal direction at a specific distance and drives the prism row mirror (2) to slide in the vertical direction at a specific distance.
7. The prism row mirror inspection apparatus for strabismus inspection according to claim 6, wherein: the intelligent control system comprises a first driving element for driving the slider (31), a second driving element for driving the light shielding plate (4) and a third driving element for driving the slider (31) prism row mirror (2), wherein the first driving element, the second driving element and the third driving element are all connected to an external intelligent platform.
8. The prism row mirror inspection apparatus for strabismus inspection according to claim 1, wherein: the sliding part (31) is provided with a clamping structure for clamping the sliding part in the horizontal sliding seat (30).
9. The prism row mirror inspection apparatus for strabismus inspection according to claim 8, wherein: a sliding groove (300) which penetrates through the horizontal sliding seat (30) from top to bottom is formed in the middle of the horizontal sliding seat, and the sliding piece (31) is embedded into the sliding groove (300); the clamping structure comprises a hollow clamping seat (312), a clamping block (313) arranged in the clamping seat (312) and a switching rod (314) used for controlling the rotation of the clamping block (313), wherein an elastic anti-slip surface (3120) is arranged on one side, facing the inner wall of the sliding groove (300), of the clamping seat (312), the clamping block (313) is an oval column body, and when the clamping block (313) rotates to the state that the long axis of the clamping block (313) is perpendicular to the sliding direction of the sliding piece (31), the elastic anti-slip surfaces (3120) on the two sides of the clamping seat (312) are tightly propped against the inner wall of the sliding groove (300) by the clamping block (313).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110426414.0A CN113143198A (en) | 2021-04-20 | 2021-04-20 | Prism row lens inspection device for strabismus inspection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110426414.0A CN113143198A (en) | 2021-04-20 | 2021-04-20 | Prism row lens inspection device for strabismus inspection |
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| CN113143198A true CN113143198A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110426414.0A Pending CN113143198A (en) | 2021-04-20 | 2021-04-20 | Prism row lens inspection device for strabismus inspection |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1813624A (en) * | 2006-02-16 | 2006-08-09 | 赵阳 | Strabism measuring instrument and its method for measuring strabism |
| CN109381157A (en) * | 2018-12-13 | 2019-02-26 | 广州市视加医疗仪器设备有限公司 | A kind of LED strabismus inspection tester |
| CN210383871U (en) * | 2019-06-03 | 2020-04-24 | 江苏金陵职业技术学校 | Adjustable multifunctional row mirror |
| CN111973146A (en) * | 2020-09-16 | 2020-11-24 | 柳州市妇幼保健院 | Strabismus detection device |
| CN212745753U (en) * | 2020-07-13 | 2021-03-19 | 陈冬峰 | Adjusting device of spirit level levelness |
| CN112545447A (en) * | 2020-12-07 | 2021-03-26 | 河南科技大学第一附属医院 | Ophthalmic eye inspection device |
-
2021
- 2021-04-20 CN CN202110426414.0A patent/CN113143198A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1813624A (en) * | 2006-02-16 | 2006-08-09 | 赵阳 | Strabism measuring instrument and its method for measuring strabism |
| CN109381157A (en) * | 2018-12-13 | 2019-02-26 | 广州市视加医疗仪器设备有限公司 | A kind of LED strabismus inspection tester |
| CN210383871U (en) * | 2019-06-03 | 2020-04-24 | 江苏金陵职业技术学校 | Adjustable multifunctional row mirror |
| CN212745753U (en) * | 2020-07-13 | 2021-03-19 | 陈冬峰 | Adjusting device of spirit level levelness |
| CN111973146A (en) * | 2020-09-16 | 2020-11-24 | 柳州市妇幼保健院 | Strabismus detection device |
| CN112545447A (en) * | 2020-12-07 | 2021-03-26 | 河南科技大学第一附属医院 | Ophthalmic eye inspection device |
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