CN105147236A - Visual test device - Google Patents
Visual test device Download PDFInfo
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- CN105147236A CN105147236A CN201510333027.7A CN201510333027A CN105147236A CN 105147236 A CN105147236 A CN 105147236A CN 201510333027 A CN201510333027 A CN 201510333027A CN 105147236 A CN105147236 A CN 105147236A
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- sighting target
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- test means
- calibration module
- sight test
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Abstract
The invention discloses a visual test device, comprising a sighting mark calibration module used to calibrate dimensions of sighting marks according to parameters of a display device, and a sighting mark projection module used to project sighting marks to the display device. The sighting mark calibration module is provided in the device. Through the sighting mark calibration module, size of the sighting mark can be changed on the display, so as to provide convenience for testing vision on a carry-on electronic device at any time.
Description
Technical field
The application relates to a kind of sight test means.
Background technology
Test vision in prior art and generally adopt special instrument or equipment.Or adopt the visual testing chart hung on the wall.
Adopt special instrument or equipment, it is with high costs, and inconvenience is mobile simultaneously.And adopting the visual testing chart hung on the wall, then inconvenience is mobile.
Above two kinds of modes, for user, are all inconvenient to test vision.When getting the right lensses for one's eyeglasses or treat, still can use.When user carries out visual exercise, need the effect of testing training at any time.Above two kinds of modes obviously can not meet the requirement of user.
Therefore, inventor carries out in existing sight test means the basis of concentrating on studies provides a kind of sight test means being convenient to survey at any time vision.
Summary of the invention
The embodiment of the present application provides a kind of sight test means, comprising:
Sighting target calibration module, for the size of the parameter correction sighting target according to display device;
Sighting target projection module, for projecting sighting target to display device.
Further, described sighting target calibration module is used for the size correcting sighting target according to the wide high size of display and resolution.
Further, described sighting target calibration module is used for the size correcting sighting target according to the model of display.
Further, described sighting target calibration module is used for the size correcting sighting target according to object of reference.
Further, described object of reference is currency.
Further, described currency is coin or bank note.
Further, described object of reference is rule.
Further, described object of reference is bank card.
Further, described sighting target calibration module, for the size of the parameter correction sighting target of display device inputted according to operator.
Further, described sight test means also comprises the feedback module for feedback test result.
The regulation management method and system that the embodiment of the present application provides, at least has following beneficial effect:
Provide sighting target calibration module in the application, the size of sighting target on display can be changed by sighting target calibration module, thus be convenient on the electronic equipment carried with, test vision at any time.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, and form a application's part, the schematic description and description of the application, for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
The structural representation of the sight test means that Fig. 1 provides for the embodiment of the present application.
Detailed description of the invention
In order to solve the existing technical problem cannot measuring the vision of user at any time.Provide sighting target calibration module in the application, the size of sighting target on display can be changed by sighting target calibration module, thus be convenient on the electronic equipment carried with, test vision at any time.
For making the object of the application, technical scheme and advantage clearly, below in conjunction with the application's specific embodiment and corresponding accompanying drawing, technical scheme is clearly and completely described.Obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
A kind of sight test means of structural representation of the sight test means that Fig. 1 provides for the embodiment of the present application, comprising:
Sighting target calibration module, for the size of the parameter correction sighting target according to display device;
Sighting target projection module, for projecting sighting target to display device.
Sighting target calibration module, for the size of the parameter correction sighting target according to display device.
Display device comprises the device that display screen of the display of desktop computer, the display screen of panel computer, the display screen of mobile phone and Vending Machine etc. has Presentation Function.The parameter of display device comprises wide high size, resolution, pixel etc.
Wherein, the size of sighting target and the size of display and measuring distance meet following formula.
When measuring distance is D, sighting target is of a size of M.Such as, in common eyesight testing, measuring distance is 5m, and vision is the sighting target length of side of 1.0 correspondences is 7.27mm.When display screen size is S, resolution is W*H, PPI=sqrt (W*W+H*H)/S, so, can calculate on display and M*PPI pixel should be used to show sighting target.Such as, be that on the mobile phone of 4.7 inches, its resolution is 1080 (W) * 1920 (H), PPI=sqrt (1080*1080+1920*1920)/4.7=468 pixel/inch=18.425 pixel/mm in screen size.When 2.5m place test vision, the sighting target length of side of the corresponding vision 1.0 that this mobile phone shows should be M
2=M*D
2/ D, i.e. 7.27*2.5/5=3.635mm, showing the pixel count that this length of side need use is P=3.635*18.425=67 pixel.
Sighting target calibration module is used for the size correcting sighting target according to the model of display.This sighting target calibration module is implanted into size and the optimum resolution of common display model.
Sighting target calibration module is used for the size correcting sighting target according to object of reference.This sighting target calibration module is implanted into the size of common object of reference.Object of reference is currency, comprises 5 jiaos of coins, unitary coin, a yuan note, fin, tenner, two tenners, 100 yuan notes.Object of reference can also be rule.According to the size of the size adjustment sighting target of 1cm on rule.Object of reference can also be bank card.
In calibration module, the actual ratio according to object of reference and sighting target makes display, and by adjusting to its actual size with reference to thing, then namely corresponding sighting target can tune to its actual size according to same ratio.
Sighting target calibration module can also correct the size of sighting target according to the wide high parameter of the display device of operator's input and resolution.
Sighting target projection module, for projecting sighting target to display device.This sighting target projection module is a kind of light-emitting device, and a certain size sighting target is projected display device.
Provide sighting target calibration module in the application, the size of sighting target on display can be changed by sighting target calibration module, thus be convenient on the electronic equipment carried with, test vision at any time.
In the embodiment more than provided, whether testee needs result that is auxiliary by other people and then discriminating test correct.
Especially, the embodiment of the present application, provide a kind of sight test means that testee oneself can be facilitated to test own eyesight, this sight test means comprises the feedback module for feedback test result.
Test result, by wireless or wired form, is fed back to sight test means in the mode of the signal of telecommunication by feedback module, in order to statistical test result.
Such as, hand-held remote control unit, keyboard, mouse etc. can indicate sighting target towards hardware.Feedback module can also be the terminal such as mobile phone, flat board being built-in with feedback test result application software.
The foregoing is only the embodiment of the application, be not limited to the application.To those skilled in the art, the application can have various modifications and variations.Any amendment done within all spirit in the application and principle, equivalent replacement, improvement etc., within the right that all should be included in the application.
Claims (10)
1. a sight test means, is characterized in that, comprising:
Sighting target calibration module, for the size of the parameter correction sighting target according to display device;
Sighting target projection module, for projecting sighting target to display device.
2. sight test means as claimed in claim 1, is characterized in that, described sighting target calibration module is used for the size correcting sighting target according to the wide high size of display and resolution.
3. sight test means as claimed in claim 1, is characterized in that, described sighting target calibration module is used for the size correcting sighting target according to the model of display.
4. sight test means as claimed in claim 1, is characterized in that, described sighting target calibration module is used for the size correcting sighting target according to object of reference.
5. sight test means as claimed in claim 4, it is characterized in that, described object of reference is currency.
6. sight test means as claimed in claim 5, it is characterized in that, described currency is coin or bank note.
7. sight test means as claimed in claim 6, it is characterized in that, described object of reference is rule.
8. sight test means as claimed in claim 7, it is characterized in that, described object of reference is bank card.
9. sight test means as claimed in claim 1, is characterized in that, described sighting target calibration module, for the size of the parameter correction sighting target of display device inputted according to operator.
10. sight test means as claimed in any one of claims 1-9 wherein, it is characterized in that, described sight test means also comprises the feedback module for feedback test result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510333027.7A CN105147236A (en) | 2015-06-16 | 2015-06-16 | Visual test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510333027.7A CN105147236A (en) | 2015-06-16 | 2015-06-16 | Visual test device |
Publications (1)
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| CN105147236A true CN105147236A (en) | 2015-12-16 |
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ID=54788550
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| CN201510333027.7A Pending CN105147236A (en) | 2015-06-16 | 2015-06-16 | Visual test device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105942965A (en) * | 2016-06-13 | 2016-09-21 | 东南大学 | Subjective vision self-testing device based on intelligent terminal |
| CN107170028A (en) * | 2017-06-02 | 2017-09-15 | 百夫信息技术（深圳）有限公司 | A kind of drafting standard UCVA table E method |
| CN109497929A (en) * | 2018-12-28 | 2019-03-22 | 杭州精飞光学仪器制造有限公司 | Eyesight measurement method, information control center equipment and computer storage medium |
| CN111179869A (en) * | 2020-01-21 | 2020-05-19 | 纳晶科技股份有限公司 | E visual target definition adjusting method and display |
| CN112450871A (en) * | 2020-11-19 | 2021-03-09 | 温州星康医学科技有限公司 | Vision detection system and method adaptive to different resolutions |
| CN115153416A (en) * | 2022-09-05 | 2022-10-11 | 中山大学中山眼科中心 | Human eye contrast sensitivity inspection system based on virtual reality scene |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105942965A (en) * | 2016-06-13 | 2016-09-21 | 东南大学 | Subjective vision self-testing device based on intelligent terminal |
| CN107170028A (en) * | 2017-06-02 | 2017-09-15 | 百夫信息技术（深圳）有限公司 | A kind of drafting standard UCVA table E method |
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| CN111179869A (en) * | 2020-01-21 | 2020-05-19 | 纳晶科技股份有限公司 | E visual target definition adjusting method and display |
| CN111179869B (en) * | 2020-01-21 | 2021-12-14 | 纳晶科技股份有限公司 | E visual target definition adjusting method and display |
| CN112450871A (en) * | 2020-11-19 | 2021-03-09 | 温州星康医学科技有限公司 | Vision detection system and method adaptive to different resolutions |
| CN115153416A (en) * | 2022-09-05 | 2022-10-11 | 中山大学中山眼科中心 | Human eye contrast sensitivity inspection system based on virtual reality scene |
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