CN202136319U - Anti-dazzling visual chart - Google Patents
Anti-dazzling visual chart Download PDFInfo
- Publication number
- CN202136319U CN202136319U CN201120232123U CN201120232123U CN202136319U CN 202136319 U CN202136319 U CN 202136319U CN 201120232123 U CN201120232123 U CN 201120232123U CN 201120232123 U CN201120232123 U CN 201120232123U CN 202136319 U CN202136319 U CN 202136319U
- Authority
- CN
- China
- Prior art keywords
- lamp box
- utility
- visual chart
- character
- visual acuity
- 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
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- Eye Examination Apparatus (AREA)
Abstract
The utility model relates to an anti-dazzling visual chart, which comprises a lamp box, a power wire and a controller, wherein a semitransparent panel the surface of which is printed with characters is arranged on the front surface of the lamp box, and small bulbs respectively corresponding to each character are respectively arranged inside the lamp box. The utility model aims at providing the anti-dazzling visual chart which is capable of effectively avoiding the dazzling problem because lamp light of the visual chart directly irradiates a guide rodlet.
Description
Technical field
This utility model relates to a kind of medical auxiliary apparatus, relates in particular to a kind of anti-glare visual acuity chart.
Background technology
Visual acuity chart is doctor's one of medical auxiliary appliance commonly used when testing eyesight; But existing visual acuity chart needs the doctor to point to specific character with the guide spillikin tests eyesight; The ten minutes that little rod tends to shone by light becomes clear, and lets testee feel to dazzle the eyes, influence test effect.
The utility model content
This utility model aims to provide a kind of above deficiency that overcomes, and a kind of anti-glare visual acuity chart of dazzling the eyes problem of guiding spillikin to cause because of the Visual chart lamp box for testing eyesight light direct beam can effectively avoided is provided.
The technical scheme that this utility model adopted is: a kind of anti-glare visual acuity chart; Comprise lamp box, power line and controller; It is characterized in that said lamp box is positive to be the translucent panel that the surface is printed on character, lamp box inside is provided with a miniature bulb corresponding to each character.
The beneficial effect of this utility model is: through the position that the mode of controller control miniature bulb comes pointing character to belong to, saved and guided little rod, can not cause and dazzle the eyes the discomfort that causes, improved the quality and the efficient of examination of visual acuity.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of anti-glare visual acuity chart of this utility model;
Accompanying drawing 2 is partial schematic sectional view of a kind of anti-glare visual acuity chart of this utility model.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment this utility model is described in detail:
The embodiment of this utility model is shown in accompanying drawing, and a kind of anti-glare visual acuity chart comprises lamp box 1, panel 2, character 3, controller 4, power line 5, miniature bulb 6.The positive panel 2 of lamp box 1 takes translucent lucite to process and at its surperficial mint-mark visual acuity chart character 3; The lamp box inside of the back of each character 3 is provided with a miniature bulb 6; Each miniature bulb 6 is controlled separately by controller 4, and lamp box 1 provides power supply by power line 5.This utility model no longer need cause the guide spillikin guiding of dazzle easily, directly controls the miniature bulb 6 of specifying visual acuity chart character 3 back and use instead by controller 4.Guide testee to carry out examination of visual acuity with miniature bulb 6.
Claims (1)
1. an anti-glare visual acuity chart comprises lamp box, power line and controller, it is characterized in that, said lamp box is positive to be the translucent panel that the surface is printed on character, and lamp box inside is provided with a miniature bulb corresponding to each character.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120232123U CN202136319U (en) | 2011-06-28 | 2011-06-28 | Anti-dazzling visual chart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120232123U CN202136319U (en) | 2011-06-28 | 2011-06-28 | Anti-dazzling visual chart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202136319U true CN202136319U (en) | 2012-02-08 |
Family
ID=45547400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120232123U Expired - Fee Related CN202136319U (en) | 2011-06-28 | 2011-06-28 | Anti-dazzling visual chart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202136319U (en) |
-
2011
- 2011-06-28 CN CN201120232123U patent/CN202136319U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20120628 |