JPH0257929B2 - - Google Patents
Info
- Publication number
- JPH0257929B2 JPH0257929B2 JP56173530A JP17353081A JPH0257929B2 JP H0257929 B2 JPH0257929 B2 JP H0257929B2 JP 56173530 A JP56173530 A JP 56173530A JP 17353081 A JP17353081 A JP 17353081A JP H0257929 B2 JPH0257929 B2 JP H0257929B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- measuring device
- curvature measuring
- light source
- linear
- 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 110
- 238000001514 detection method Methods 0.000 claims description 53
- 230000004907 flux Effects 0.000 claims description 23
- 238000005286 illumination Methods 0.000 claims description 23
- 238000003384 imaging method Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 210000004087 cornea Anatomy 0.000 description 60
- 238000005259 measurement Methods 0.000 description 60
- 238000010586 diagram Methods 0.000 description 26
- 210000001508 eye Anatomy 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 238000003491 array Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000004065 semiconductor Substances 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
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 1
- 230000005679 Peltier effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56173530A JPS5875532A (ja) | 1981-10-28 | 1981-10-28 | 曲率測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56173530A JPS5875532A (ja) | 1981-10-28 | 1981-10-28 | 曲率測定装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2091830A Division JPH02289228A (ja) | 1990-04-06 | 1990-04-06 | 曲率測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5875532A JPS5875532A (ja) | 1983-05-07 |
| JPH0257929B2 true JPH0257929B2 (de) | 1990-12-06 |
Family
ID=15962234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56173530A Granted JPS5875532A (ja) | 1981-10-28 | 1981-10-28 | 曲率測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5875532A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59214427A (ja) * | 1983-05-23 | 1984-12-04 | キヤノン株式会社 | 角膜形状測定装置 |
-
1981
- 1981-10-28 JP JP56173530A patent/JPS5875532A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5875532A (ja) | 1983-05-07 |
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