JPH0314445B2 - - Google Patents
Info
- Publication number
- JPH0314445B2 JPH0314445B2 JP2076087A JP7608790A JPH0314445B2 JP H0314445 B2 JPH0314445 B2 JP H0314445B2 JP 2076087 A JP2076087 A JP 2076087A JP 7608790 A JP7608790 A JP 7608790A JP H0314445 B2 JPH0314445 B2 JP H0314445B2
- Authority
- JP
- Japan
- Prior art keywords
- straight line
- measuring device
- curvature
- detection
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims description 58
- 238000005259 measurement Methods 0.000 claims description 42
- 238000005286 illumination Methods 0.000 claims description 11
- 230000004907 flux Effects 0.000 claims description 5
- 210000004087 cornea Anatomy 0.000 description 33
- 238000010586 diagram Methods 0.000 description 24
- 210000001508 eye Anatomy 0.000 description 11
- 239000000428 dust Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000005308 Orsa Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2076087A JPH02277432A (ja) | 1990-03-26 | 1990-03-26 | 曲率測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2076087A JPH02277432A (ja) | 1990-03-26 | 1990-03-26 | 曲率測定装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56173528A Division JPS5875530A (ja) | 1981-10-28 | 1981-10-28 | 曲率測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02277432A JPH02277432A (ja) | 1990-11-14 |
| JPH0314445B2 true JPH0314445B2 (en, 2012) | 1991-02-26 |
Family
ID=13595049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2076087A Granted JPH02277432A (ja) | 1990-03-26 | 1990-03-26 | 曲率測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02277432A (en, 2012) |
-
1990
- 1990-03-26 JP JP2076087A patent/JPH02277432A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02277432A (ja) | 1990-11-14 |
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