CN115778310A - Self-service eyesight testing device and method - Google Patents
Self-service eyesight testing device and method Download PDFInfo
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- CN115778310A CN115778310A CN202211569185.9A CN202211569185A CN115778310A CN 115778310 A CN115778310 A CN 115778310A CN 202211569185 A CN202211569185 A CN 202211569185A CN 115778310 A CN115778310 A CN 115778310A
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Abstract
The invention provides a self-help type vision measuring device and a method, comprising a distance adjusting part; the distance adjusting part is provided with a test installation part; the test installation part is provided with a switching conveying part; a measurement paper winding part is wound and connected on the switching conveying part; the test installation part is provided with a lifting driving part; the lifting driving part is fixedly connected with a test camera shooting part; the test camera shooting part is fixedly connected with an amplifying display part; can realize supplementary improvement survey efficiency, avoid survey error simultaneously, can realize near-sighted hyperopia integration survey, can demonstrate correct mistake step by step simultaneously, guaranteed the visual detection accuracy, solved present self-service type visual detection, rely on the manual work to point, inefficiency, shoulder fatigue simultaneously can not realize the problem of the different test of circulation transport.
Description
Technical Field
The invention relates to the technical field of ophthalmology, in particular to a self-service type vision testing device and a self-service type vision testing method.
Background
With the increasing protection consciousness of people on eyes, wherein the diagnosis and test of vision are particularly important, the inventor group discusses the effect of the 15 delta prism induced eye deviation diagnosis amblyopia in the 15 delta prism induced eye deviation diagnosis amblyopia (Shandong university school newspaper medical edition, volume 43, no. 8) in the prior research result, points out that the 5 delta prism induced eye deviation examination determines the fixation type, improves the diagnosis rate of amblyopia, and makes early treatment of amblyopia possible.
Recently, the inventor finds that traditional myopia hyperopia measures and surveys the application of force through artifical "E" shape pattern of pointing different positions, consuming time and wasting power, this moment is supplementary to carry out the visual acuity test with regard to the self-service type visual acuity test that needs a section good, however, with regard to current self-service type visual acuity test, rely on artifical pointing, inefficiency, shoulder fatigue simultaneously, can not realize the different test of circulatory transport, also be convenient for realize myopia hyperopia test switch fast, do not set up the image acquisition structure, be not convenient for directly learn the eyesight condition fast, it is poor to help the nature.
Disclosure of Invention
In view of the above, the invention provides a self-service vision measuring device and method, which have a paper rolling part for measuring, can realize rapid measurement of myopia and hyperopia, can effectively improve the measuring efficiency, can roll and switch different detection icons, avoid repetition, can rapidly know the right and wrong degree by matching with an amplifying display part, are more practical, can shield the icon at the bottom by adopting the amplifying display part, ensure the observation accuracy, and have stronger practicability.
The invention provides a purpose and efficacy of a self-help eyesight testing device, which comprises a distance adjusting part; the distance adjusting part is provided with a test installation part; the test installation part is provided with a switching conveying part; a measurement paper winding part is wound and connected on the switching conveying part; the test installation part is provided with a lifting driving part; the lifting driving part is fixedly connected with a test camera shooting part; the test camera shooting part is fixedly connected with an amplifying display part; the distance adjusting part includes: the device comprises a distance adjusting and mounting block, mounting foot plates and a driving motor, wherein the distance adjusting and mounting block is fixedly connected with the two mounting foot plates; and the distance adjusting mounting block is fixedly connected with a driving motor.
Further, the measurement roll paper portion includes: the connecting piece is glued between the far vision plastic band and the near vision plastic band; the separation lines are uniformly distributed on the far-vision plastic belt and the near-vision plastic belt.
Further, the distance adjusting part includes: and the propelling screw rod is fixedly connected to an output shaft of the driving motor and is rotatably connected to the distance adjusting and mounting block.
Further, the test mounting portion includes: the device comprises a test installation box, a transparent installation plate, a sliding installation groove block, a fitting auxiliary roller and an installation sliding block, wherein the bottom of the test installation box is fixedly connected with the installation sliding block which is connected to a distance adjusting installation block in a sliding mode; the test installation box is fixedly connected with two sliding installation groove blocks; a joint auxiliary roller is rotatably connected between the two sliding installation groove blocks; the mounting sliding block is in threaded connection with a propelling screw rod; and the test installation box is fixedly connected with a transparent installation plate.
Further, the enlarged display section includes: the display mounting frame is fixedly connected to the test lifting rod; and the display mounting frame is fixedly connected with a display screen.
Further, the switching conveyance unit includes: the switching driving device comprises a switching driving motor, a driving roller and a driving belt wheel, wherein the driving roller is fixedly connected to an output shaft of the switching driving motor; the driving roller is rotationally connected to the test installation box; the switching driving motor is fixedly connected to the test installation box; and a driving belt wheel is fixedly connected with the shaft end of the driving roller.
Further, the elevation driving part includes: the test device comprises two lifting electric threaded rods and two lifting sliding blocks, wherein the two lifting electric threaded rods are respectively arranged on a test installation box; two there are lifting slide block on the electric threaded rod of lift respectively threaded connection, and two lifting slide block difference sliding connection are on two slidable mounting groove pieces.
Further, the switching conveyor unit further includes: the driving belt, the driven roller and the driven belt wheel, wherein the driven roller is rotationally connected to the test installation box; a driven belt wheel is fixedly connected with the side surface shaft end of the driven roller; the driven belt wheel is in transmission connection with the driving belt wheel through a driving belt.
Further, the test imaging section includes: the device comprises a test lifting rod, a lower layer baffle plate, a camera module and a controller, wherein the test lifting rod is fixedly connected between two sliding installation groove blocks; the test lifting rod is fixedly connected with a lower layer shielding plate, and a light supplementing lamp is arranged at the bottom of the lower layer shielding plate; the lower layer shielding plate is attached to the transparent mounting plate; the camera module is fixedly connected to the lower layer shielding plate; the camera module is electrically connected with the controller.
Further, the measurement roll paper portion includes: the plastic belt for far vision is fixedly connected to the driven roller, and the plastic belt for far vision is wound on the driven roller; the myopia plastic belt is fixedly connected to the driving roller, and is wound on the driving roller; the far-vision plastic belt and the near-vision plastic belt are respectively provided with far-vision icons and near-vision icons, and the directions of the far-vision icons and the near-vision icons on the far-vision plastic belt and the near-vision plastic belt are different; the far-vision plastic belt and the near-vision plastic belt are respectively attached to the attaching auxiliary roller; the far-sight icon and the near-sight icon are both in an E shape, and the side surface of the E-shaped mark is provided with near-sight and far-sight degrees.
The invention also provides a self-service optometry method which is used for completing optometry by using any one self-service optometry device.
Advantageous effects
The invention can realize auxiliary improvement of the measurement efficiency, simultaneously avoid measurement errors, realize integrated measurement of myopia and hyperopia, simultaneously display correct errors step by step and ensure the accuracy of vision detection.
In addition, through adopting the setting to switch the transport part, can realize the transport that lasts and rolling survey roll paper portion, can improve and use the flexibility, can realize supplementary assurance overall structure stability in use, can realize changing different icons, can avoid repetition, guarantee eye vision determination quality, overall structure is simple and practical, through adopting the switching transport part, can realize the switching of myopia and hyperopia test simultaneously, through make under the drive of switching transport part that hyperopia plastic tape and myopia plastic tape operate the switching can, simple structure is practical, through adopting the test installation department that sets up, can realize supplementary quick drive switching myopia and hyperopia's test distance, simple structure is practical, the test is more comprehensive, the function is more perfect, effectual improvement vision determination efficiency, through under the driving of driving motor, can realize switching different observation distances, realize the test of myopia and hyperopia distance, through adopting under the drive of switching driving motor, can realize that the drive roller rotates, drive the driven voller through the driving roller simultaneously and drive the driven voller rotation, realize passing through driving roller and driven voller, it is more practical, the operation is stable, can guarantee that hyperopia plastic tape and myopia can paste in transparent plastic tape through setting up supplementary roller, be convenient for observing.
In addition, through adopting the setting survey stock form portion, overall structure is simple and practical, can realize switching different "E" shape mark by oneself through adopting the setting survey stock form portion, can switch the orientation at any time, the practicality is stronger, need not artifical pointing, can realize automatic switch, guarantee the test accuracy, the survey stock form portion that adopts the setting simultaneously can make every line only have one "E" shape mark, can avoid the manual pointed mode to appear observing the corresponding point mistake or point accurate problem inadequately, more easily observe, can effectual reduction fatigue through adopting survey stock form portion, while simple structure, low in manufacturing cost, can more easily promote.
In addition, through adopting and setting up enlarged display portion, can realize enlargeing the show to "E" shape mark after observing, can effectual supplementary improve equipment practicality, need not the staff and confirm by the side, can independently confirm whether correct by the tester, if judge the error then can confirm eyes number of degrees, the practicality is stronger, can realize autonomization completely, simultaneously also ensured the optometry accuracy, can pass through the lower floor shielding plate on the test portion of making a video recording, shelter from below the lower floor shielding plate plastic tape or myopia plastic tape, avoid being gathered by the module of making a video recording, observe "E" shape mark orientation of lower floor shielding plate below by the tester can, so on and so on, realize comprehensive detection, guaranteed the optometry accuracy, lower floor shielding plate and the module of making a video recording descend, shoot the picture, make the module of making a video recording shoot the picture through the controller and transmit to the display screen and realize enlargeing this moment, moreover, the steam generator is simple in structure, it is more nimble to use, improve whole application of force survey efficiency, it is more laborsaving, need not artifical supplementary.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to only some embodiments of the invention and are not intended to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall configuration of an assay device according to an embodiment of the present invention.
Fig. 2 is a schematic view of the bottom inside structure of the embodiment of the present invention.
FIG. 3 is a sectional view showing the internal structure of the measuring apparatus according to the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a test imaging unit according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a distance adjusting portion according to an embodiment of the present invention.
FIG. 6 is a schematic view of a test mount configuration of an embodiment of the present invention.
Fig. 7 is a schematic structural view of a switching conveyance unit according to an embodiment of the present invention.
FIG. 8 is a schematic view of the structure of the measurement roll paper unit according to the embodiment of the present invention.
Fig. 9 is a schematic structural view of the elevation driving part according to the embodiment of the present invention.
List of reference numerals
1. A distance adjusting section; 101. a distance adjusting mounting block; 1011. mounting a foot plate; 102. a drive motor; 103. a screw rod is pushed; 2. a test mounting section; 201. testing the installation box; 2011. a transparent mounting plate; 202. installing a groove block in a sliding manner; 203. attaching an auxiliary roller; 204. installing a sliding block; 3. a switching conveyance unit; 301. switching the driving motor; 302. a drive roller; 303. a driving pulley; 304. a drive pulley belt; 305. a driven roller; 306. a driven pulley; 4. a measuring paper winding part; 401. a hyperopic plastic band; 402. a plastic band for myopia; 403. connecting sheets; 404. a separation line; 5. a lifting drive part; 501. lifting the electric threaded rod; 502. a lifting slider; 6. a test camera shooting part; 601. testing the lifting rod; 602. a lower shield plate; 603. a camera module; 604. a controller; 7. an enlarged display unit; 701. a display mounting bracket; 702. and a display screen.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference numerals in the drawings denote like elements.
Example (b): please refer to fig. 1 to fig. 9:
the invention provides a self-help type eyesight testing device, comprising a distance adjusting part 1; the distance adjusting part 1 is provided with a test installation part 2; the test installation part 2 is provided with a switching conveying part 3; a measurement roll paper unit 4 is wound around and connected to the switching conveyance unit 3; the test installation part 2 is provided with a lifting driving part 5; the lifting driving part 5 is fixedly connected with a test camera shooting part 6; the test camera part 6 is fixedly connected with an amplifying display part 7; the distance adjusting section 1 includes: the device comprises a distance adjusting and mounting block 101, mounting foot plates 1011 and a driving motor 102, wherein the distance adjusting and mounting block 101 is fixedly connected with the two mounting foot plates 1011; a driving motor 102 is fixedly connected to the distance adjusting mounting block 101.
Wherein, the distance adjustment part 1 includes: the output shaft of the driving motor 102 is fixedly connected with a propelling screw rod 103, and the propelling screw rod 103 is rotatably connected to the distance adjusting and mounting block 101; the test mounting part 2 includes: the device comprises a test installation box 201, a transparent installation plate 2011, a sliding installation groove block 202, a fitting auxiliary roller 203 and an installation sliding block 204, wherein the bottom of the test installation box 201 is fixedly connected with the installation sliding block 204, and the installation sliding block 204 is connected to a distance adjustment installation block 101 in a sliding mode; two sliding installation groove blocks 202 are fixedly connected to the test installation box 201; a joint auxiliary roller 203 is rotatably connected between the two sliding installation groove blocks 202; the mounting slide block 204 is in threaded connection with the propelling screw rod 103; a transparent mounting plate 2011 is fixedly connected to the test mounting box 201; the switching conveyance unit 3 includes: the driving device comprises a switching driving motor 301, a driving roller 302 and a driving belt wheel 303, wherein the driving roller 302 is fixedly connected to an output shaft of the switching driving motor 301; the driving roller 302 is rotatably connected to the test installation box 201; the switching drive motor 301 is fixedly connected to the test installation box 201; the shaft end of the driving roller 302 is fixedly connected with a driving belt wheel 303; the switching conveyor 3 further includes: a driving wheel belt 304, a driven roller 305 and a driven pulley 306, wherein the driven roller 305 is rotationally connected to the test installation box 201; a driven pulley 306 is fixedly connected with the side surface shaft end of the driven roller 305; driven pulley 306 and drive pulley 303 are connected through drive pulley belt 304 suit transmission, through adopting the setting to switch conveying part 3, can realize the transport that lasts and rolling survey roll paper portion 4, can improve the use flexibility, can realize supplementary assurance overall structure stability in use, can realize changing different icons, can avoid repetition, guarantee eye vision assay quality, overall structure is simple and practical, through adopting switching conveying part 3, can realize near-sighted and far vision test's switching simultaneously, through make far vision plastic tape 401 and near-sighted plastic tape 402 operation switch under the drive of switching conveying part 3 can, simple structure is practical, through adopting the test installation department 2 that sets up, can realize supplementary quick drive and switch near-sighted and far vision's test distance, simple structure is practical, the test is more comprehensive, the function is more perfect, effectual improvement eyesight assay efficiency, through under the drive of driving motor 102, can realize switching different observation distances, realize near-sighted distance and far vision distance's test, through adopting under the drive of switching driving motor 301, can realize that drive pulley belt 304 rotates, drive roller 305 and drive roller 305 are driven roller, it can guarantee near-sighted and far vision distance's test to paste in the supplementary plastic tape 401 to be convenient for observation more practical to set up the driven roller 401 more.
The measurement roll paper unit 4 includes: a far-vision plastic belt 401 and a near-vision plastic belt 402, wherein the far-vision plastic belt 401 is fixedly connected to the driven roller 305, and the far-vision plastic belt 401 is wound on the driven roller 305; the myopia plastic strips 402 are fixedly connected to the driving rollers 302, and the myopia plastic strips 402 are wound on the driving rollers 302; far-vision icons and near-vision icons are arranged on the far-vision plastic belt 401 and the near-vision plastic belt 402 respectively, and the directions of the far-vision icons and the near-vision icons on the far-vision plastic belt 401 and the near-vision plastic belt 402 are different; a far-vision plastic belt 401 and a near-vision plastic belt 402 are respectively attached to the attaching auxiliary roller 203; hyperopia icon is "E" shape with the myopia icon, and "E" shape mark side is equipped with myopia and hyperopia degree, survey roll paper portion 4 through adopting the setting, overall structure is simple and practical, can realize that self-service switching is different "E" shape mark through adopting setting up survey roll paper portion 4, can switch over the orientation at any time, the practicality is stronger, need not artifical pointing, can realize automatic switch-over, guarantee the test accuracy, the survey roll paper portion 4 that adopts the setting simultaneously can make every line only have one "E" shape mark, the problem that the corresponding point mistake or pointing are accurate inadequately appears observing in the mode that can avoid manual pointing, it observes more easily, can effectual reduction fatigue through adopting survey roll paper portion 4, and simple structure, therefore, the manufacturing cost is low, and the popularization is easier. The measurement roll paper unit 4 includes: a connecting piece 403 and a separation line 404, wherein the connecting piece 403 is glued between the far vision plastic strip 401 and the near vision plastic strip 402; the separation lines 404 are uniformly distributed on the far vision plastic belt 401 and the near vision plastic belt 402 by adopting the arrangement.
Wherein, lift drive portion 5 includes: the test device comprises two lifting electric threaded rods 501 and two lifting sliding blocks 502, wherein the two lifting electric threaded rods 501 are respectively arranged on the test installation box 201; the two lifting electric threaded rods 501 are respectively in threaded connection with lifting sliding blocks 502, and the two lifting sliding blocks 502 are respectively in sliding connection with the two sliding installation groove blocks 202; the test imaging section 6 includes: the device comprises a test lifting rod 601, a lower layer shielding plate 602, a camera module 603 and a controller 604, wherein the test lifting rod 601 is fixedly connected between two sliding installation groove blocks 202; a lower layer baffle plate 602 is fixedly connected to the test lifting rod 601, and a light supplement lamp is arranged at the bottom of the lower layer baffle plate 602; the lower shield 602 is attached to the transparent mounting plate 2011; the camera module 603 is fixedly connected to the lower shielding plate 602; the camera module 603 is electrically connected to the controller 604; the enlargement display unit 7 includes: the display device comprises a display mounting rack 701 and a display screen 702, wherein the display mounting rack 701 is fixedly connected to a test lifting rod 601; fixedly connected with display screen 702 on showing mounting bracket 701, enlarge display portion 7 through adopting the setting, can realize enlarging the show to "E" shape mark after observing, can effectual supplementary improve equipment practicality, need not the staff and confirm by side, can independently confirm whether correct by the tester, if judge that the error is then can confirm eyes degree, the practicality is stronger, can realize autonomization completely, visual acuity test accuracy has also been guaranteed simultaneously, can pass through lower floor shielding plate 602 on the test portion of making a video recording 6, shelter from below the shielding plate 602 hyperopia plastic tape 401 or myopia plastic tape 402, avoid being gathered by camera module 603, observe "E" shape mark orientation of lower floor shielding plate 602 below by the tester can, so on, realize comprehensive detection, visual acuity test accuracy has been guaranteed, lower floor shielding plate 602 descends with camera module 603, take the picture, it realizes enlargeing to make camera module 603 to shoot the picture transmission to display screen 702 through controller 604 this moment, moreover, the steam generator is simple in structure, use more nimble, improve whole application of force survey efficiency, it is laborsaving, need not artifical supplementary.
The invention also provides a self-service optometry method which is used for completing optometry by using any one self-service optometry device, and the method specifically comprises the following steps:
firstly, a tested person sits in front of the device, the driving of the propelling screw rod 103 can be realized under the driving of the driving motor 102, the driving of the testing installation box 201 on the installation sliding block 204 can be realized, the switching of different observation distances can be realized, the testing of near vision distance and far vision distance can be realized, the driving of the driving roller 302 can be realized under the driving of the switching driving motor 301, the driving roller belt 304 is used for driving the driven roller 305 to rotate at the same time, the driving roller 302 and the driven roller 305 are used for winding and running the far vision plastic belt 401 and the near vision plastic belt 402 one by one, the driving roller 302 and the driven roller 305 are used for winding and unwinding one by one, the driving roller 302 and the driven roller 305 are used for realizing the winding and unwinding of one, the driving roller 302 and the driven roller 305 are more practical and stable in running, the adhering auxiliary roller 203 is used for assisting to ensure that the far vision plastic belt 401 and the near vision plastic belt 402 can be adhered to the transparent installation plate 2011, when the lifting sliding block 502 is driven by the lifting electric threaded rod 501 to descend, the lower layer 602 and the camera module 603 are used for descending, the shooting picture, at the moment, the controller 604 is used for transmitting the shooting picture to the display screen 702 for amplifying, the tested person can observe whether the picture to be correctly, and the degree corresponding to be matched with the E-shaped mark.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (10)
1. A self-service optometric instrument, comprising a distance adjusting section (1); the distance adjusting part (1) is provided with a test installation part (2); a switching conveying part (3) is arranged on the test installation part (2); a measuring paper winding part (4) is wound and connected on the switching conveying part (3); the test installation part (2) is provided with a lifting driving part (5); the lifting driving part (5) is fixedly connected with a test camera shooting part (6); the test camera shooting part (6) is fixedly connected with an amplifying display part (7); the distance adjustment section (1) includes: the device comprises a distance adjusting mounting block (101), mounting foot plates (1011) and a driving motor (102), wherein the distance adjusting mounting block (101) is fixedly connected with the two mounting foot plates (1011); and the distance adjusting and mounting block (101) is fixedly connected with a driving motor (102).
2. A self-service optometric instrument as defined in claim 1, wherein: the distance adjustment section (1) includes: the propelling screw rod (103) is fixedly connected to an output shaft of the driving motor (102), and the propelling screw rod (103) is rotatably connected to the distance adjusting and mounting block (101).
3. A self-service optometric instrument as defined in claim 2, wherein: the test mounting part (2) includes: the device comprises a test installation box (201), a transparent installation plate (2011), a sliding installation groove block (202), a laminating auxiliary roller (203) and an installation sliding block (204), wherein the installation sliding block (204) is fixedly connected to the bottom of the test installation box (201), and the installation sliding block (204) is connected to a distance adjusting installation block (101) in a sliding mode; two sliding installation groove blocks (202) are fixedly connected to the test installation box (201); an auxiliary laminating roller (203) is rotatably connected between the two sliding installation groove blocks (202); the mounting sliding block (204) is in threaded connection with a propelling screw rod (103); and a transparent mounting plate (2011) is fixedly connected to the test mounting box (201).
4. A self-service optometric instrument as defined in claim 3, wherein: the switching conveyance unit (3) includes: the automatic belt conveyor comprises a switching driving motor (301), a driving roller (302) and a driving belt wheel (303), wherein the driving roller (302) is fixedly connected to an output shaft of the switching driving motor (301); the driving roller (302) is rotatably connected to the test installation box (201); the switching drive motor (301) is fixedly connected to the test installation box (201); and a driving belt wheel (303) is fixedly connected to the shaft end of the driving roller (302).
5. The self-service optometric instrument of claim 4, further comprising: the switching conveyor (3) further comprises: the device comprises a driving wheel belt (304), a driven roller (305) and a driven pulley (306), wherein the driven roller (305) is rotationally connected to a test installation box (201); a driven pulley (306) is fixedly connected to the side surface shaft end of the driven roller (305); the driven belt wheel (306) is in sleeved transmission connection with the driving belt wheel (303) through a driving belt wheel (304).
6. The self-service optometric instrument of claim 5, further comprising: the measurement roll paper unit (4) includes: a far-vision plastic belt (401) and a near-vision plastic belt (402), wherein the far-vision plastic belt (401) is fixedly connected to the driven roller (305), and the far-vision plastic belt (401) is wound on the driven roller (305); the myopia plastic belt (402) is fixedly connected to the driving roller (302), and the myopia plastic belt (402) is wound on the driving roller (302); far-vision icons and near-vision icons are arranged on the far-vision plastic belt (401) and the near-vision plastic belt (402) respectively, and the directions of the far-vision icons and the near-vision icons on the far-vision plastic belt (401) and the near-vision plastic belt (402) are different from each other; the far-vision plastic belt (401) and the near-vision plastic belt (402) are respectively attached to the fitting auxiliary roller (203).
7. A self-service optometric instrument as defined in claim 6, wherein: the measurement roll paper unit (4) further comprises: a connecting piece (403) and a separation line (404), wherein the connecting piece (403) is glued between the far vision plastic strip (401) and the near vision plastic strip (402); the separation lines (404) are uniformly distributed on the far vision plastic belt (401) and the near vision plastic belt (402).
8. A self-service optometric instrument as defined in claim 3, wherein: the lift drive unit (5) includes: the test device comprises two lifting electric threaded rods (501) and two lifting sliding blocks (502), wherein the two lifting electric threaded rods (501) are respectively installed on a test installation box (201); and two lifting electric threaded rods (501) are respectively in threaded connection with lifting sliding blocks (502), and the two lifting sliding blocks (502) are respectively in sliding connection with the two sliding installation groove blocks (202).
9. A self-service optometric instrument as defined in claim 3, wherein: the test imaging unit (6) includes: the device comprises a test lifting rod (601), a lower layer shielding plate (602), a camera module (603) and a controller (604), wherein the test lifting rod (601) is fixedly connected between two sliding installation groove blocks (202); a lower layer shielding plate (602) is fixedly connected to the test lifting rod (601), and a light supplement lamp is arranged at the bottom of the lower layer shielding plate (602); the lower layer shielding plate (602) is attached to the transparent mounting plate (2011); the camera module (603) is fixedly connected to the lower shielding plate (602); the camera module (603) is electrically connected with the controller (604); the enlargement display unit (7) includes: the display device comprises a display mounting rack (701) and a display screen (702), wherein the display mounting rack (701) is fixedly connected to a test lifting rod (601); and the display mounting frame (701) is fixedly connected with a display screen (702).
10. A self-help vision determination method is characterized in that: optometry is performed by using a self-service optometry apparatus according to any one of claims 1-9.
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| CN202211569185.9A CN115778310B (en) | 2022-12-08 | 2022-12-08 | Self-help vision testing device and method |
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| CN202211569185.9A CN115778310B (en) | 2022-12-08 | 2022-12-08 | Self-help vision testing device and method |
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