JPH0545283Y2 - - Google Patents
Info
- Publication number
- JPH0545283Y2 JPH0545283Y2 JP1906991U JP1906991U JPH0545283Y2 JP H0545283 Y2 JPH0545283 Y2 JP H0545283Y2 JP 1906991 U JP1906991 U JP 1906991U JP 1906991 U JP1906991 U JP 1906991U JP H0545283 Y2 JPH0545283 Y2 JP H0545283Y2
- Authority
- JP
- Japan
- Prior art keywords
- visual function
- testing device
- function testing
- light source
- pinhole
- 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 - Lifetime
Links
- 230000004382 visual function Effects 0.000 claims description 20
- 238000005286 illumination Methods 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 6
- 208000002177 Cataract Diseases 0.000 description 5
- 230000004410 intraocular pressure Effects 0.000 description 5
- 210000000695 crystalline len Anatomy 0.000 description 4
- 230000004397 blinking Effects 0.000 description 3
- 210000001525 retina Anatomy 0.000 description 2
- 238000004092 self-diagnosis Methods 0.000 description 2
- 208000034699 Vitreous floaters Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1906991U JPH04114303U (ja) | 1991-03-28 | 1991-03-28 | 視機能検査装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1906991U JPH04114303U (ja) | 1991-03-28 | 1991-03-28 | 視機能検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04114303U JPH04114303U (ja) | 1992-10-08 |
| JPH0545283Y2 true JPH0545283Y2 (en]) | 1993-11-18 |
Family
ID=31905425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1906991U Granted JPH04114303U (ja) | 1991-03-28 | 1991-03-28 | 視機能検査装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04114303U (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007068883A (ja) * | 2005-09-09 | 2007-03-22 | Noriyuki Yamakawa | 眼球観察器 |
-
1991
- 1991-03-28 JP JP1906991U patent/JPH04114303U/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007068883A (ja) * | 2005-09-09 | 2007-03-22 | Noriyuki Yamakawa | 眼球観察器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04114303U (ja) | 1992-10-08 |
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