JPH0249731B2 - - Google Patents
Info
- Publication number
- JPH0249731B2 JPH0249731B2 JP56173527A JP17352781A JPH0249731B2 JP H0249731 B2 JPH0249731 B2 JP H0249731B2 JP 56173527 A JP56173527 A JP 56173527A JP 17352781 A JP17352781 A JP 17352781A JP H0249731 B2 JPH0249731 B2 JP H0249731B2
- Authority
- JP
- Japan
- Prior art keywords
- curvature
- light
- measuring device
- optical system
- detection
- 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 78
- 238000005259 measurement Methods 0.000 claims description 40
- 238000001514 detection method Methods 0.000 claims description 29
- 238000005286 illumination Methods 0.000 claims description 14
- 238000003384 imaging method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 210000004087 cornea Anatomy 0.000 description 39
- 238000010586 diagram Methods 0.000 description 13
- 210000001508 eye Anatomy 0.000 description 9
- 238000012545 processing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000006870 function 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
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Eye Examination Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56173527A JPS5873336A (ja) | 1981-10-28 | 1981-10-28 | 曲率測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56173527A JPS5873336A (ja) | 1981-10-28 | 1981-10-28 | 曲率測定装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2076086A Division JPH02271824A (ja) | 1990-03-26 | 1990-03-26 | 曲率測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5873336A JPS5873336A (ja) | 1983-05-02 |
| JPH0249731B2 true JPH0249731B2 (en, 2012) | 1990-10-31 |
Family
ID=15962171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56173527A Granted JPS5873336A (ja) | 1981-10-28 | 1981-10-28 | 曲率測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5873336A (en, 2012) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61118639A (ja) * | 1984-11-15 | 1986-06-05 | Olympus Optical Co Ltd | 偏心量測定装置 |
| JPH0620433B2 (ja) * | 1986-05-29 | 1994-03-23 | 株式会社トプコン | 角膜形状測定装置 |
-
1981
- 1981-10-28 JP JP56173527A patent/JPS5873336A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5873336A (ja) | 1983-05-02 |
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