JPH025081B2 - - Google Patents
Info
- Publication number
- JPH025081B2 JPH025081B2 JP60091467A JP9146785A JPH025081B2 JP H025081 B2 JPH025081 B2 JP H025081B2 JP 60091467 A JP60091467 A JP 60091467A JP 9146785 A JP9146785 A JP 9146785A JP H025081 B2 JPH025081 B2 JP H025081B2
- Authority
- JP
- Japan
- Prior art keywords
- index
- corneal
- cornea
- distance
- measuring device
- 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
- 210000004087 cornea Anatomy 0.000 claims description 29
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 3
- 238000012876 topography Methods 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60091467A JPS61249432A (ja) | 1985-04-27 | 1985-04-27 | 角膜形状測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60091467A JPS61249432A (ja) | 1985-04-27 | 1985-04-27 | 角膜形状測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61249432A JPS61249432A (ja) | 1986-11-06 |
JPH025081B2 true JPH025081B2 (de) | 1990-01-31 |
Family
ID=14027185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60091467A Granted JPS61249432A (ja) | 1985-04-27 | 1985-04-27 | 角膜形状測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61249432A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003024278A (ja) * | 2001-06-19 | 2003-01-28 | Canon Inc | 角膜形状測定装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5302979A (en) * | 1989-07-28 | 1994-04-12 | Canon Kabushiki Kaisha | Ophthalmic apparatus capable of measuring the shape of a cornea |
JP3315517B2 (ja) * | 1994-03-07 | 2002-08-19 | キヤノン株式会社 | 角膜形状測定装置 |
-
1985
- 1985-04-27 JP JP60091467A patent/JPS61249432A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003024278A (ja) * | 2001-06-19 | 2003-01-28 | Canon Inc | 角膜形状測定装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS61249432A (ja) | 1986-11-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8913234B2 (en) | Measurement of the positions of centres of curvature of optical surfaces of a multi-lens optical system | |
US4609287A (en) | Method of and apparatus for measuring refractive characteristics | |
JPH0812127B2 (ja) | 曲率半径測定装置及び方法 | |
JPH0652170B2 (ja) | 光結像式非接触位置測定装置 | |
JPH0360260B2 (de) | ||
JPH025081B2 (de) | ||
JP3072805B2 (ja) | 隙間間隔測定方法 | |
JPH1194700A (ja) | レンズの測定装置及び測定方法 | |
JPH04174639A (ja) | 角膜曲率測定装置 | |
JP3167870B2 (ja) | 非球面レンズの偏心測定装置およびその偏心測定方法 | |
JPH0430296B2 (de) | ||
JP3967058B2 (ja) | 板状のワークの表面形状と板厚の測定方法および測定装置 | |
JPH0449887B2 (de) | ||
JPS6170405A (ja) | 球面形状の測定装置 | |
JP4629835B2 (ja) | アッベ数測定装置及びアッベ数測定方法 | |
JPH03130639A (ja) | Mtf測定装置の光軸整合方法 | |
JPS6150450B2 (de) | ||
JPS5867233A (ja) | 角膜形状測定装置 | |
JPS5975035A (ja) | 角膜形状測定装置 | |
JPH07294537A (ja) | 速度及び距離の検出装置 | |
JPH06281415A (ja) | 変位測定装置 | |
JPH0626986A (ja) | レンズ測定装置 | |
JP2002055023A (ja) | 被検レンズの屈折率測定装置 | |
JPH0348512Y2 (de) | ||
RU2082193C1 (ru) | Фотоэлектронное устройство для настройки оптической системы |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |