CN109480758B - Movable visual acuity chart for ophthalmology - Google Patents
Movable visual acuity chart for ophthalmology Download PDFInfo
- Publication number
- CN109480758B CN109480758B CN201811614890.XA CN201811614890A CN109480758B CN 109480758 B CN109480758 B CN 109480758B CN 201811614890 A CN201811614890 A CN 201811614890A CN 109480758 B CN109480758 B CN 109480758B
- Authority
- CN
- China
- Prior art keywords
- conversion
- frame
- box body
- box
- lower side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
-
- 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
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
-
- 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
- A61B3/0016—Operational features thereof
-
- 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
Abstract
The invention relates to an ophthalmologic movable visual acuity chart, and belongs to the technical field of vision tests. The invention relates to an ophthalmological movable visual chart, which comprises a frame body and a box body, wherein a lifting movable frame is arranged on the upper side of the frame body, a supporting cross frame is arranged on the upper side of the lifting movable frame, a longitudinal adjusting corrector is arranged on the right side of the supporting cross frame, a transverse adjusting corrector is arranged on the right side of the longitudinal adjusting corrector, a box body supporting and fixing frame is arranged on the right side of the transverse adjusting corrector, a drawing movable frame is arranged on the lower side of the box body supporting and fixing frame, a detection box is arranged on the lower side of the drawing movable frame, a vision detection watchband is arranged in the box body, a vision detection watch is arranged on the left side of the vision detection watchband, a conversion driving roller is arranged on the upper side of the vision detection watchband, and an illumination backlight plate is arranged on the lower side of the conversion driving roller. The vision test device has comprehensive functions, is convenient to adjust and use, is convenient to operate, can normally test the vision of different types of patients in different environments, can effectively improve the accuracy of vision test results, and greatly improves the working efficiency of ophthalmic medical personnel.
Description
Technical Field
The invention belongs to the technical field of vision test, and particularly relates to an ophthalmologic movable visual chart.
Background
The general term of ophthalmology is "ophthalmology specialty", ophthalmology is the subject of studying diseases related to the visual system including the eyeball and its associated tissues, and the common ophthalmic diseases are: central serous retinopathy, dry eye, sympathetic ophthalmia, nyctalopia, blindness, amblyopia, astigmatism, trachoma, cataract, diabetic retinopathy, conjunctivitis, presbyopia, achromatopsia, iridochromism, retinitis pigmentosa, central retinal artery occlusion, retinal detachment, myopia, hyperopia, pinprick, snow blindness, aragonima, glaucoma, muscae volitantes and the like. The eye chart is a chart for measuring vision. The domestic visual chart comprises: international standard visual acuity chart, visual acuity chart logarithmic visual acuity chart and the like. The visual acuity chart and the distance visual acuity chart are functionally classified. The visual acuity chart is based on the principle of viewing angle. The inspection of vision is generally divided into far vision and near vision, and the far vision mostly adopts an international standard visual chart which 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. Present patient all carries out the eyesight test under the state of standing, but the patient of weak is difficult to stand for a long time, lead to the patient of weak to be difficult to the normal eyesight test that carries on, and current eyesight test device all adopts fixed structure, be difficult to adjust, thereby lead to unable accurate eyesight test result that reachs, seriously influence subsequent diagnosis and treatment, be unfavorable for patient's healthy, and need use different eyesight tables to carry out red green respectively to the patient, visual target tests such as astigmatism, it is very inconvenient to use, consequently, need urgently to develop a function comprehensively, adjust convenient to use, can be for the normal eyesight test device who carries out the eyesight test of different patients.
Disclosure of Invention
The invention aims to provide an ophthalmologic movable visual chart which has comprehensive functions, is convenient to adjust and use and can be used for normally testing the vision of different patients.
The technical scheme of the invention is as follows: a movable ophthalmology visual acuity chart comprises a frame body and a box body, wherein a movable seat is arranged on the lower side of the frame body, a plate body fixing seat is arranged on the upper side of the movable seat, a positioning movable foot plate is arranged on the upper side of the plate body fixing seat, a drawing and positioning reflection plate is arranged on the left side of the positioning movable foot plate, an anti-skidding fixing foot is arranged on the lower side of the positioning movable foot plate, a foot plate moving handle is arranged on the right side of the positioning movable foot plate, a foot wheel is arranged on the lower side of the movable seat, a foot wheel brake is arranged on the upper side of the foot wheel, a lifting movable frame is arranged on the upper side of the frame body and assembled with the frame body through a lifting regulator, a lifting regulating handle is arranged on the left side of the lifting regulator, a lifting locking device is arranged on the upper side of the lifting regulating handle, a height indicating mark line is arranged on the front side of the lifting movable frame, a supporting cross frame is arranged on the upper side of the lifting movable frame, the supporting cross frame is assembled with the lifting movable frame through a horizontal connecting sleeve, a horizontal rotating locking device is arranged on the left side of the horizontal connecting sleeve, a horizontal angle indicator is arranged at the lower side of the horizontal connecting sleeve;
a longitudinal adjusting corrector is arranged on the right side of the supporting transverse frame, the longitudinal adjusting corrector is assembled with the supporting transverse frame through a longitudinal correcting fixed frame, a longitudinal correcting scale is arranged on the front side of the longitudinal adjusting corrector, a longitudinal correcting fastener is arranged on the upper side of the longitudinal adjusting corrector, a transverse adjusting corrector is arranged on the right side of the longitudinal adjusting corrector, the transverse adjusting corrector is assembled with the longitudinal adjusting corrector through a transverse correcting fixed frame, a transverse correcting scale is arranged on the front side of the transverse adjusting corrector, a transverse adjusting fastener is arranged on the upper side of the transverse adjusting corrector, a box body supporting fixed frame is arranged on the right side of the transverse adjusting corrector, a box body fixed seat is arranged on the right side of the box body supporting fixed frame, a quick closing lock catch is arranged on the box body fixed seat, a drawing movable frame is arranged on the lower side of the box body supporting fixed frame, and the drawing movable frame is assembled with the box body supporting fixed frame through a drawing fixed connector, a detection box is arranged at the lower side of the drawing movable frame;
the laser height distance measuring instrument is arranged on the lower side of the detection box, the infrared distance measuring sensor is arranged on the right side of the detection box, the level indicator is arranged on the upper side of the detection box, the state display screen is arranged on the front side of the detection box, the battery box is arranged on the left side of the detection box, and the test control switch is arranged on the left side of the battery box;
the right side of the box body is provided with a transparent protective cover, the transparent protective cover is assembled with the box body through a protective cover fixing frame, the left side of the box body is provided with an adjusting controller, the front side of the adjusting controller is provided with an adjusting panel, the front side of the adjusting panel is provided with a parameter display screen, the lower side of the parameter display screen is provided with a key switch, the lower side of the key switch is provided with a mode conversion key, the lower side of the adjusting controller is provided with a power supply box, a lithium battery pack is arranged in the power supply box, the upper side of the lithium battery pack is provided with a voltage-stabilizing charging power supply, the left side of the power supply box is provided with a power supply control switch, the upper side of the box body is provided with a fixed handle, the outer side of the fixed handle is provided with a handle anti-slip sleeve, and the right side of the fixed handle is provided with a light sensor;
the visual detection device comprises a box body, a visual detection watchband, a visual target detection table, a standard logarithmic visual chart, a conversion driving roller, a conversion driving rotating shaft, a conversion regulator, a roller anti-skid rubber sleeve, a lighting backlight plate, LED lighting beads, a backlight sensor, a backlight plate fixing seat, a lighting regulator, a conversion guide roller and a box body, wherein the visual detection watchband is arranged in the box body, the visual target detection table is arranged on the left side of the visual detection watchband, the standard logarithmic visual chart is arranged on the right side of the visual detection watchband, the conversion driving roller is arranged on the upper side of the visual detection watchband, the conversion driving roller is assembled with the box body through the conversion driving rotating shaft, the conversion regulator is arranged on the outer side of the conversion driving roller, the lighting backlight plate is arranged on the lower side of the conversion driving roller, the LED lighting beads are assembled with the lighting backlight plate through the bead fixing seat, the backlight sensor is arranged on the upper side of the LED lighting beads, the left side of the lighting backlight plate is provided with the backlight plate fixing seat, the lighting regulator is assembled with the box body through the guide fixing shaft;
red and green visual marks are arranged on the visual mark detection table, an astigmatic visual mark is arranged on the lower side of the red and green visual marks, a honeycomb visual mark is arranged on the lower side of the astigmatic visual mark, and worth four points are arranged on the lower side of the honeycomb visual mark;
be equipped with conversion regulation step motor in the conversion regulator, conversion regulation step motor downside is equipped with conversion motor fixing base, and conversion regulation step motor left side is equipped with conversion drive pivot, and conversion drive pivot left side is equipped with the conversion speed regulator, and conversion speed regulator left side is equipped with conversion transmission pivot, and conversion transmission pivot left side is equipped with conversion transmission shaft coupling.
The positioning movable foot plate is provided with an anti-slip foot pad.
And a horizontal locking button is arranged on the left side of the horizontal rotating locking device.
And a drawing limiting locking device is arranged on the upper side of the drawing fixed connector.
And a voice prompter is arranged on the upper side of the transparent shield.
And a test guide fixing groove is formed in the right side of the conversion driving roller.
And a light-gathering lampshade is arranged on the lamp bead fixing seat.
The outer side of the conversion guide roller is provided with a watchband arranging pad.
The invention has the beneficial effects that: the vision test device has comprehensive functions, is convenient to adjust and use, is convenient to operate, can normally test the vision of different types of patients in different environments, can effectively improve the accuracy of vision test results, and greatly improves the working efficiency of ophthalmic medical personnel.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic structural diagram of the probe box of the present invention.
FIG. 3 is a schematic structural diagram of the case of the present invention.
FIG. 4 is a schematic view of the internal structure of the case of the present invention.
FIG. 5 is a diagram illustrating the structure of the optotype detection table according to the present invention.
FIG. 6 is a schematic diagram of an internal structure of a switching regulator according to the present invention.
In the figure:
1: a frame body, 2: a box body, 3: moving seat, 4: plate body fixing base, 5: positioning movable foot plate, 6: pull positioning reflecting plate, 7: fixed foot of antiskid, 8: foot plate moving handle, 9: caster, 10: caster brake, 11: lifting movable frame, 12: lifting adjuster, 13: lifting adjusting handle, 14: lifting fastener, 15: height indicator scale, 16: support crossbearer, 17: horizontal joint sleeve, 18: horizontal rotation latch, 19: horizontal angle indicator, 20: longitudinal adjustment corrector, 21: longitudinal correction mount, 22: longitudinal correction scale, 23: longitudinal correction latch, 24: lateral adjustment corrector, 25: transverse correction mount, 26: lateral correction scale, 27: lateral adjustment latch, 28: box support mount, 29: box fixing base, 30: quick-closing latch, 31: drawing movable frame, 32: drawing and fixing connector, 33: probe cartridge, 34: laser height-measuring device, 35: infrared distance measuring sensor, 36: level indicator, 37: status display screen, 38: battery box, 39: test control switch, 40: transparent shield, 41: shroud fixing frame, 42: adjustment controller, 43: adjustment panel, 44: parameter display screen, 45: key switch, 46: mode switching key, 47: power pack, 48: lithium battery pack, 49: regulated charging power supply, 50: power supply control switch, 51: fixed handle, 52: handle antiskid cover, 53: light sensor, 54: band for visual inspection, 55: optotype detection table, 56: standard logarithmic visual acuity chart, 57: switching drive roller, 58: switching drive shaft, 59: switching regulator, 60: cylinder antiskid gum cover, 61: illumination backlight plate, 62: LED lighting lamp pearl, 63: lamp pearl fixing base, 64: backlight luminance sensor, 65: backlight plate fixing base, 66: illumination adjuster, 67: switching guide roller, 68: guide fixed rotation shaft, 69: red and green visual marks, 70: astigmatic optotype, 71: honeycomb visual target, 72: worth four points, 73: switching regulation stepping motor, 74: conversion motor fixing base, 75: switching drive shaft, 76: switching speed regulator, 77: conversion transmission rotating shaft, 78: conversion transmission coupling, 79: anti-skid foot pad, 80: horizontal latch button, 81: draw limit latch, 82: voice prompter, 83: test guide fixing groove, 84: condenser lamp cover, 85: watch band finishing pads.
Detailed Description
The ophthalmologic movable eye chart of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in figure 1, the movable ophthalmology visual acuity chart comprises a frame body 1 and a box body 2, a movable base 3 is arranged on the lower side of the frame body 1, a plate body fixing base 4 is arranged on the upper side of the movable base 3, a positioning movable foot plate 5 is arranged on the upper side of the plate body fixing base 4, a drawing and positioning reflection plate 6 is arranged on the left side of the positioning movable foot plate 5, anti-skidding fixing feet 7 are arranged on the lower side of the positioning movable foot plate 6, a foot plate moving handle 8 is arranged on the right side of the positioning movable foot plate 6, a caster wheel 9 is arranged on the lower side of the movable base 3, a caster wheel brake 10 is arranged on the caster wheel 9, a lifting movable frame 11 is arranged on the upper side of the frame body 1, the lifting movable frame 11 is assembled with the frame body 1 through a lifting regulator 12, a lifting regulating handle 13 is arranged on the left side of the lifting regulating handle 13, a lifting dead lock 14 is arranged on the upper side of the lifting movable frame 11, a height indicating mark line 15 is arranged on the upper side of the lifting movable frame 11, a supporting transverse frame 16 is arranged on the lifting movable frame 11, the supporting transverse frame 16 is assembled with the lifting movable frame 11 through a horizontal connecting sleeve 17, a horizontal rotating locking device 18 is arranged on the left side of the horizontal connecting sleeve 17, and a horizontal angle indicator 19 is arranged on the lower side of the horizontal connecting sleeve 17; when in use, the invention can be flexibly moved according to the requirement through the caster wheel 9, can be braked in place through the caster wheel brake 10 after being moved to a designated position, the movable foot plate 6 can be taken down by moving the handle 8 through the foot plate and placed at a position with a specified distance from the frame body 1, the testing distance can be accurately positioned by drawing the positioning reflecting plate 6 to ensure the testing effect, the ophthalmological patient can stand on the positioning movable foot plate 5, the testing distance can be adjusted by the patient with inconvenient movement or weak physical ability by drawing the positioning reflecting plate 6, the lifting adjusting handle 13 is operated, the height of the box body 2 can be adjusted according to the height of the body of the patient through the lifting adjuster 12, the horizontal angle of the box body 2 can be adjusted through the horizontal connecting sleeve 17, and the horizontal angle indicator 19 can check the horizontal adjusting angle in real time so as to ensure that the box body 2 is right opposite to a patient.
As shown in fig. 1, a longitudinal adjustment corrector 20 is arranged on the right side of the supporting cross frame 16, the longitudinal adjustment corrector 20 is assembled with the supporting cross frame 16 through a longitudinal adjustment fixing frame 21, a longitudinal correction scale 22 is arranged on the front side of the longitudinal adjustment corrector 20, a longitudinal correction locking device 23 is arranged on the upper side of the longitudinal adjustment corrector 20, a transverse adjustment corrector 24 is arranged on the right side of the longitudinal adjustment corrector 20, the transverse adjustment corrector 24 is assembled with the longitudinal adjustment corrector 20 through a transverse correction fixing frame 25, a transverse correction scale 26 is arranged on the front side of the transverse adjustment corrector 24, a transverse adjustment locking device 27 is arranged on the upper side of the transverse adjustment corrector 24, a box body supporting fixing frame 28 is arranged on the right side of the transverse adjustment corrector 24, a box body fixing frame 29 is arranged on the right side of the box body supporting fixing frame 28, a quick closing lock catch 30 is arranged on the box body fixing frame 29, a drawing movable frame 31 is arranged on the lower side of the box body supporting fixing frame 28, the drawing movable frame 31 is assembled with the box body supporting and fixing frame 28 through a drawing fixed connector 32, and a detection box 33 is arranged on the lower side of the drawing movable frame 31; when the device is used, the longitudinal angle and the transverse angle of the box body 2 can be corrected and adjusted according to needs through the longitudinal adjusting corrector 20 and the transverse adjusting corrector 24, so that the visual detection of the device can be ensured even in an environment with uneven ground or patients with different heights, and the position of the detection box 33 can be adjusted according to needs through the drawing movable frame 31, so that the working environment and the state of the box body 2 can be accurately detected.
As shown in fig. 2, a laser height distance measuring instrument 34 is arranged on the lower side of the detection box 33, an infrared distance measuring sensor 35 is arranged on the right side of the detection box 33, a level indicator 36 is arranged on the upper side of the detection box 33, a state display screen 37 is arranged on the front side of the detection box 33, a battery box 38 is arranged on the left side of the detection box 33, and a test control switch 39 is arranged on the left side of the battery box 38; when using, open test control switch 39, survey box 33 and get into operating condition, can highly carry out real-time detection to box 2 through laser height distancer 34, infrared distance measuring sensor 35 can carry out accurate detection to patient's test distance under the cooperation of pull location reflecting plate 6, level indicator 36 can carry out accurate detection to the horizontal operating condition of box 2, each item detects parameter accessible state display screen 37 and shows in real time to medical staff looks over in real time.
As shown in fig. 3, a transparent shield 40 is arranged on the right side of the box body 2, the transparent shield 40 is assembled with the box body 2 through a shield fixing frame 41, an adjusting controller 42 is arranged on the left side of the box body 2, an adjusting panel 43 is arranged on the front side of the adjusting controller 42, a parameter display screen 44 is arranged on the front side of the adjusting panel 43, a key switch 45 is arranged on the lower side of the parameter display screen 44, a mode conversion key 46 is arranged on the lower side of the key switch 45, a power supply box 47 is arranged on the lower side of the adjusting controller 42, a lithium battery pack 48 is arranged in the power supply box 47, a voltage-stabilized charging power supply 49 is arranged on the upper side of the lithium battery pack 48, a power supply control switch 50 is arranged on the left side of the power supply box 47, a fixed handle 51 is arranged on the upper side of the box body 2, a handle anti-slip sleeve 52 is arranged on the outer side of the fixed handle 51, and a light sensor 53 is arranged on the right side of the fixed handle 51; open key switch 45, box 2 can get into operating condition, operation mode conversion button 46 accessible regulation controller 42 is adjusted the detection mode, transparent guard shield 40 can effectively protect box 2, avoid receiving external environment pollution, can adjust box 2 in a flexible way through fixed handle 51, light sensor 53 can carry out real-time detection to the light change condition of external environment, so that box 2 keeps the operating condition of invariable luminance all the time, ensure ophthalmology detection effect.
As shown in fig. 4, a vision detection watchband 54 is arranged in the box 2, a visual target detection table 55 is arranged on the left side of the vision detection watchband 54, a standard logarithmic visual chart 56 is arranged on the right side of the vision detection watchband 54, a conversion driving roller 57 is arranged on the upper side of the vision detection watchband 54, the conversion driving roller 57 is assembled with the box 2 through a conversion driving rotating shaft 58, a conversion regulator 59 is arranged on the rear side of the conversion driving rotating shaft 58, a roller anti-slip rubber sleeve 60 is arranged on the outer side of the conversion driving roller 57, a lighting backlight plate 61 is arranged on the lower side of the conversion driving roller 57, an LED lighting bead 62 is arranged on the lighting backlight plate 61, the LED lighting bead 62 is assembled with the lighting backlight plate 61 through a bead fixing seat 63, a backlight brightness sensor 64 is arranged on the upper side of the LED lighting bead 62, a backlight plate fixing seat 65 is arranged on the left side of the lighting backlight plate 61, a lighting regulator 66 is arranged on the lower side of the backlight plate fixing seat 65, a conversion guide roller 67 is arranged at the lower side of the illumination backlight plate 61, and the conversion guide roller 67 is assembled with the box body 2 through a guide fixed rotating shaft 68; when the device is used, the vision detection watchband 54 can be driven to rotate circularly through the conversion driving roller 57, so that the standard logarithmic vision chart 56 and the visual target detection chart 55 can be adjusted to perform vision test or visual target test according to the needs of a patient, the conversion guiding roller 67 can guide the rotation adjustment of the vision detection watchband 54, the LED illuminating lamp beads 62 can provide backlight illumination, the illumination adjuster 66 can adjust the illumination brightness of the LED illuminating lamp beads 62, and the backlight brightness sensor 64 can detect the backlight illumination brightness in real time.
As shown in fig. 5, a red and green sighting mark 69 is arranged on the sighting mark detection table 55, an astigmatism sighting mark 70 is arranged on the lower side of the red and green sighting mark 69, a honeycomb sighting mark 71 is arranged on the lower side of the astigmatism sighting mark 70, and worth four points 72 are arranged on the lower side of the honeycomb sighting mark 71; when in use, the patient can be subjected to corresponding sighting target tests according to the requirements.
As shown in fig. 6, a conversion adjustment stepping motor 73 is arranged in the conversion adjuster 59, a conversion motor fixing seat 74 is arranged on the lower side of the conversion adjustment stepping motor 73, a conversion driving rotating shaft 75 is arranged on the left side of the conversion adjustment stepping motor 73, a conversion speed adjuster 76 is arranged on the left side of the conversion driving rotating shaft 75, a conversion transmission rotating shaft 77 is arranged on the left side of the conversion speed adjuster 76, and a conversion transmission coupling 78 is arranged on the left side of the conversion transmission rotating shaft 77; when the vision test device is used, the adjusting controller 42 can control the conversion adjusting stepping motor 73 to work according to the test mode set by the mode conversion key 46, and the conversion driving roller 57 is driven by the conversion speed regulator 76 and the conversion transmission rotating shaft 77 to drive the vision test watchband 54 to carry out cycle conversion, so that different tests can be carried out on different patients, and the working efficiency can be effectively improved.
The positioning movable foot plate 5 is provided with an anti-skid foot pad 79. Set up like this, be convenient for fix a position activity sole 5 and effectively support fixedly.
The horizontal locking button 80 is provided at the left side of the horizontal rotation locking device 18. This is provided to facilitate the locking or releasing operation of the horizontal rotation locking device 18.
The upper side of the drawing fixed connector 32 is provided with a drawing limit locking device 81. Thus, the height of the detection box 33 can be adjusted, locked and fixed according to requirements.
The upper side of the transparent shield 40 is provided with a voice prompter 82. By the arrangement, the human-computer interaction effect during the vision test can be effectively improved.
The right side of the conversion driving roller 57 is provided with a test guide fixing groove 83. With the arrangement, the visual detection watchband 54 can be guided and fixed, and can be ensured to be always kept flat, so that the visual detection is performed on a patient.
And a spotlight cover 84 is arranged on the lamp bead fixing seat 63. By the arrangement, the backlight illumination effect of the LED illuminating lamp beads 62 can be effectively improved.
The switching guide roll 67 is provided with a band arranging pad 85 on the outside. With this arrangement, the switching guide effect of the switching guide roller 67 can be effectively improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. Movable visual chart of ophthalmology, including support body (1) and box (2), its characterized in that: a moving seat (3) is arranged at the lower side of a frame body (1), a plate body fixing seat (4) is arranged at the upper side of the moving seat (3), a positioning movable foot plate (5) is arranged at the upper side of the plate body fixing seat (4), a drawing and positioning reflection plate (6) is arranged at the left side of the positioning movable foot plate (5), an anti-skidding fixing foot (7) is arranged at the lower side of the positioning movable foot plate (5), a foot plate moving handle (8) is arranged at the right side of the positioning movable foot plate (5), a trundle (9) is arranged at the lower side of the moving seat (3), a trundle brake (10) is arranged on the trundle (9), a lifting movable frame (11) is arranged at the upper side of the frame body (1), the lifting movable frame (11) is assembled with the frame body (1) through a lifting regulator (12), a lifting regulating handle (13) is arranged at the left side of the lifting regulator (12), a lifting locking device (14) is arranged at the upper side of the lifting regulating handle (13), a height indicating mark (15) is arranged at the front side of the lifting movable frame (11), a supporting transverse frame (16) is arranged on the upper side of the lifting movable frame (11), the supporting transverse frame (16) is assembled with the lifting movable frame (11) through a horizontal connecting sleeve (17), a horizontal rotating locking device (18) is arranged on the left side of the horizontal connecting sleeve (17), and a horizontal angle indicator (19) is arranged on the lower side of the horizontal connecting sleeve (17);
a longitudinal adjusting corrector (20) is arranged on the right side of the supporting transverse frame (16), the longitudinal adjusting corrector (20) is assembled with the supporting transverse frame (16) through a longitudinal correcting fixing frame (21), a longitudinal correcting scale (22) is arranged on the front side of the longitudinal adjusting corrector (20), a longitudinal correcting locking device (23) is arranged on the upper side of the longitudinal adjusting corrector (20), a transverse adjusting corrector (24) is arranged on the right side of the longitudinal adjusting corrector (20), the transverse adjusting corrector (24) is assembled with the longitudinal adjusting corrector (20) through a transverse correcting fixing frame (25), a transverse correcting scale (26) is arranged on the front side of the transverse adjusting corrector (24), a transverse adjusting locking device (27) is arranged on the upper side of the transverse adjusting corrector (24), a box body supporting fixing frame (28) is arranged on the right side of the transverse adjusting corrector (24), a box body fixing seat (29) is arranged on the right side of the box body supporting fixing frame (28), a quick closing lock catch (30) is arranged on the box body fixing seat (29), a drawing movable frame (31) is arranged on the lower side of the box body supporting fixed frame (28), the drawing movable frame (31) is assembled with the box body supporting fixed frame (28) through a drawing fixed connector (32), and a detection box (33) is arranged on the lower side of the drawing movable frame (31);
a laser height distance measuring instrument (34) is arranged on the lower side of the detection box (33), an infrared distance measuring sensor (35) is arranged on the right side of the detection box (33), a horizontal indicator (36) is arranged on the upper side of the detection box (33), a state display screen (37) is arranged on the front side of the detection box (33), a battery box (38) is arranged on the left side of the detection box (33), and a test control switch (39) is arranged on the left side of the battery box (38);
a transparent protective cover (40) is arranged on the right side of the box body (2), the transparent protective cover (40) is assembled with the box body (2) through a protective cover fixing frame (41), an adjusting controller (42) is arranged on the left side of the box body (2), an adjusting panel (43) is arranged on the front side of the adjusting controller (42), a parameter display screen (44) is arranged on the front side of the adjusting panel (43), a key switch (45) is arranged on the lower side of the parameter display screen (44), a mode conversion key (46) is arranged on the lower side of the key switch (45), a power supply box (47) is arranged on the lower side of the adjusting controller (42), a lithium battery pack (48) is arranged in the power supply box (47), a voltage-stabilizing charging power supply (49) is arranged on the upper side of the lithium battery pack (48), a power supply control switch (50) is arranged on the left side of the power supply box (47), a fixing handle (51) is arranged on the upper side of the box body (2), and a handle anti-skid sleeve (52) is arranged on the outer side of the fixing handle (51), a light sensor (53) is arranged on the right side of the fixed handle (51);
a vision detection watchband (54) is arranged in the box body (2), a visual target detection table (55) is arranged on the left side of the vision detection watchband (54), a standard logarithmic visual chart (56) is arranged on the right side of the vision detection watchband (54), a conversion driving roller (57) is arranged on the upper side of the vision detection watchband (54), the conversion driving roller (57) is assembled with the box body (2) through a conversion driving rotating shaft (58), a conversion regulator (59) is arranged on the rear side of the conversion driving rotating shaft (58), a roller anti-skid rubber sleeve (60) is arranged on the outer side of the conversion driving roller (57), a lighting backlight plate (61) is arranged on the lower side of the conversion driving roller (57), an LED lighting lamp bead (62) is arranged on the lighting backlight plate (61), the LED lighting lamp bead (62) is assembled with the lighting backlight plate (61) through a lamp bead fixing seat (63), and a backlight brightness sensor (64) is arranged on the upper side of the LED lighting lamp bead (62), a backlight plate fixing seat (65) is arranged on the left side of the illumination backlight plate (61), an illumination regulator (66) is arranged on the lower side of the backlight plate fixing seat (65), a conversion guide roller (67) is arranged on the lower side of the illumination backlight plate (61), and the conversion guide roller (67) is assembled with the box body (2) through a guide fixing rotating shaft (68);
a red and green sighting mark (69) is arranged on the sighting mark detection table (55), an astigmatic sighting mark (70) is arranged on the lower side of the red and green sighting mark (69), a honeycomb sighting mark (71) is arranged on the lower side of the astigmatic sighting mark (70), and a worth four-point (72) is arranged on the lower side of the honeycomb sighting mark (71);
be equipped with conversion regulation step motor (73) in conversion regulator (59), conversion regulation step motor (73) downside is equipped with conversion motor fixing base (74), conversion regulation step motor (73) left side is equipped with conversion drive pivot (75), conversion drive pivot (75) left side is equipped with conversion speed regulator (76), conversion speed regulator (76) left side is equipped with conversion transmission pivot (77), conversion transmission pivot (77) left side is equipped with conversion transmission shaft coupling (78).
2. The ophthalmic ambulatory eye chart of claim 1, wherein: the positioning movable foot plate (5) is provided with an anti-skidding foot pad (79).
3. The ophthalmic ambulatory eye chart of claim 1, wherein: the left side of the horizontal rotating locking device (18) is provided with a horizontal locking button (80).
4. The ophthalmic ambulatory eye chart of claim 1, wherein: and a drawing limiting locking device (81) is arranged on the upper side of the drawing fixed connector (32).
5. The ophthalmic ambulatory eye chart of claim 1, wherein: and a voice prompter (82) is arranged on the upper side of the transparent shield (40).
6. The ophthalmic ambulatory eye chart of claim 1, wherein: and a test guide fixing groove (83) is formed in the right side of the conversion driving roller (57).
7. The ophthalmic ambulatory eye chart of claim 1, wherein: and a light-gathering lampshade (84) is arranged on the lamp bead fixing seat (63).
8. The ophthalmic ambulatory eye chart of claim 1, wherein: the outer side of the conversion guide roller (67) is provided with a watchband tidying pad (85).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614890.XA CN109480758B (en) | 2018-12-27 | 2018-12-27 | Movable visual acuity chart for ophthalmology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614890.XA CN109480758B (en) | 2018-12-27 | 2018-12-27 | Movable visual acuity chart for ophthalmology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109480758A CN109480758A (en) | 2019-03-19 |
| CN109480758B true CN109480758B (en) | 2021-08-10 |
Family
ID=65712640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811614890.XA Expired - Fee Related CN109480758B (en) | 2018-12-27 | 2018-12-27 | Movable visual acuity chart for ophthalmology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109480758B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413132A (en) * | 2021-06-29 | 2021-09-21 | 佳木斯大学 | Vision detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201414787Y (en) * | 2009-07-13 | 2010-03-03 | 李洪彦 | Visual testing chart light box for preventing visual testing chart from being memorized |
| CN102743149A (en) * | 2012-06-27 | 2012-10-24 | 上海师范大学附属第二外国语学校 | Vision detecting device with replaceable visual charts |
| CN203169143U (en) * | 2013-04-12 | 2013-09-04 | 上海电机学院 | Transformable visual chart |
| CN206342458U (en) * | 2016-08-29 | 2017-07-21 | 十堰市太和医院 | A kind of device for eye test |
| CN107951462A (en) * | 2017-11-27 | 2018-04-24 | 杨文龙 | A kind of ophthalmology visual chart is in put equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130222764A1 (en) * | 2012-02-28 | 2013-08-29 | Digitalvision, Llc | Vision testing system |
-
2018
- 2018-12-27 CN CN201811614890.XA patent/CN109480758B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201414787Y (en) * | 2009-07-13 | 2010-03-03 | 李洪彦 | Visual testing chart light box for preventing visual testing chart from being memorized |
| CN102743149A (en) * | 2012-06-27 | 2012-10-24 | 上海师范大学附属第二外国语学校 | Vision detecting device with replaceable visual charts |
| CN203169143U (en) * | 2013-04-12 | 2013-09-04 | 上海电机学院 | Transformable visual chart |
| CN206342458U (en) * | 2016-08-29 | 2017-07-21 | 十堰市太和医院 | A kind of device for eye test |
| CN107951462A (en) * | 2017-11-27 | 2018-04-24 | 杨文龙 | A kind of ophthalmology visual chart is in put equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109480758A (en) | 2019-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9380938B2 (en) | System and methods for documenting and recording of the pupillary red reflex test and corneal light reflex screening of the eye in infants and young children | |
| KR102148345B1 (en) | Device and method for measuring objective ocular refraction and at least one geometric-morphological parameter of an individual | |
| CN109480758B (en) | Movable visual acuity chart for ophthalmology | |
| CN108478182B (en) | Be used for ophthalmology be convenient for adjustment type inspection desk | |
| CN212281324U (en) | Multi-purpose formula ophthalmology inspection device of ophthalmology | |
| CN111603685A (en) | Near infrared light eyeground therapeutic instrument | |
| CN108433695B (en) | Be used for ophthalmology's supplementary eyesight testing arrangement of adjustment type of being convenient for | |
| CA2794611C (en) | Device and method for calibrating retinoscopes | |
| CN108175374B (en) | eyesight test device convenient for adjustment for ophthalmology | |
| CN108245127A (en) | It is a kind of to be easy to adjusting type auxiliary sight test means for ophthalmology | |
| CN108433694B (en) | Convenient-to-adjust type auxiliary vision testing device for ophthalmology department | |
| CN108451493B (en) | Ophthalmic easy-to-use type inspection device | |
| US20230233076A1 (en) | Modular Platform for Ocular Evaluations | |
| CN209984191U (en) | Portable ophthalmology visualizer | |
| CN215959814U (en) | Multi-purpose formula ophthalmology inspection device of ophthalmology | |
| US8272739B2 (en) | Device and method for calibrating retinoscopes | |
| CN211633223U (en) | Eyeball positioning display device for ophthalmologic detection | |
| CN213551678U (en) | Adjusting mechanism for ophthalmic examination machine | |
| CN108937835A (en) | A kind of ophthalmic facilitates adjusting type inspection desk | |
| CN114748036A (en) | Adjustable head fixing device for ophthalmology eye ground disease examination | |
| CN105167739B (en) | Retina positioning apparatus and positioning method based on fundus imaging system | |
| CN216643892U (en) | Lighting device for ophthalmic surgery | |
| CN211094004U (en) | Eye vision optical image detector | |
| Noonan et al. | Validation of a handheld automated keratometer in adults | |
| CN208426103U (en) | A kind of fixed device of ophthalmic inspection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210810 Termination date: 20211227 |