JPH0314444B2 - - Google Patents
Info
- Publication number
- JPH0314444B2 JPH0314444B2 JP2076086A JP7608690A JPH0314444B2 JP H0314444 B2 JPH0314444 B2 JP H0314444B2 JP 2076086 A JP2076086 A JP 2076086A JP 7608690 A JP7608690 A JP 7608690A JP H0314444 B2 JPH0314444 B2 JP H0314444B2
- Authority
- JP
- Japan
- Prior art keywords
- measuring device
- detection
- optical system
- light
- curvature
- 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
- 230000003287 optical effect Effects 0.000 claims description 46
- 238000001514 detection method Methods 0.000 claims description 28
- 238000005286 illumination Methods 0.000 claims description 12
- 238000003384 imaging method Methods 0.000 claims description 6
- 210000004087 cornea Anatomy 0.000 description 28
- 238000005259 measurement Methods 0.000 description 24
- 210000001508 eye Anatomy 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 201000009310 astigmatism Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2076086A JPH02271824A (ja) | 1990-03-26 | 1990-03-26 | 曲率測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2076086A JPH02271824A (ja) | 1990-03-26 | 1990-03-26 | 曲率測定装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56173527A Division JPS5873336A (ja) | 1981-10-28 | 1981-10-28 | 曲率測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02271824A JPH02271824A (ja) | 1990-11-06 |
| JPH0314444B2 true JPH0314444B2 (en, 2012) | 1991-02-26 |
Family
ID=13595018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2076086A Granted JPH02271824A (ja) | 1990-03-26 | 1990-03-26 | 曲率測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02271824A (en, 2012) |
-
1990
- 1990-03-26 JP JP2076086A patent/JPH02271824A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02271824A (ja) | 1990-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH032531B2 (en, 2012) | ||
| US5106183A (en) | Topography measuring apparatus | |
| US5907388A (en) | Ophthalmic measurement apparatus having plural pairs of photoreceiving elements | |
| EP0392743B1 (en) | Ophthalmological measurement method and apparatus | |
| JP3630884B2 (ja) | 眼科検査装置 | |
| KR20050116383A (ko) | 무아레 수차계 | |
| JP3270751B2 (ja) | 屈折光学系の屈折特性測定システム及び装置 | |
| JPS6216088B2 (en, 2012) | ||
| CN111265183A (zh) | 基于光束平行扫描模式的视网膜血流测量装置 | |
| EP0392742B1 (en) | Ophthalmological measurement method and apparatus | |
| EP0210722B1 (en) | Apparatus for measuring the refractive power or radius of curvature of an optical system | |
| JPH0352572B2 (en, 2012) | ||
| JPS6232934B2 (en, 2012) | ||
| JPH0238212B2 (en, 2012) | ||
| JP2001340299A (ja) | 眼光学特性測定装置 | |
| JPH0355125B2 (en, 2012) | ||
| JPH0249732B2 (en, 2012) | ||
| JPH0314444B2 (en, 2012) | ||
| US7296896B2 (en) | Ophthalmic measurement apparatus | |
| JPH07255674A (ja) | 被測定眼寸法測定装置 | |
| JPH0249731B2 (en, 2012) | ||
| JPH06205739A (ja) | 生体眼計測装置 | |
| JPS625147A (ja) | 光学系の屈折力測定装置 | |
| JP3068626B2 (ja) | 他覚式眼屈折測定装置 | |
| JPH0556734B2 (en, 2012) |