JPH0211045Y2 - - Google Patents
Info
- Publication number
- JPH0211045Y2 JPH0211045Y2 JP16213987U JP16213987U JPH0211045Y2 JP H0211045 Y2 JPH0211045 Y2 JP H0211045Y2 JP 16213987 U JP16213987 U JP 16213987U JP 16213987 U JP16213987 U JP 16213987U JP H0211045 Y2 JPH0211045 Y2 JP H0211045Y2
- Authority
- JP
- Japan
- Prior art keywords
- corneal
- image
- chart
- points
- center
- 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
Links
- 210000004087 cornea Anatomy 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 15
- 238000012935 Averaging Methods 0.000 claims 1
- 238000012876 topography Methods 0.000 claims 1
- 201000009310 astigmatism Diseases 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 201000000766 irregular astigmatism Diseases 0.000 description 5
- 238000000691 measurement method Methods 0.000 description 3
- 238000001444 catalytic combustion detection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 208000002177 Cataract Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16213987U JPH0211045Y2 (en]) | 1987-10-22 | 1987-10-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16213987U JPH0211045Y2 (en]) | 1987-10-22 | 1987-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6377017U JPS6377017U (en]) | 1988-05-21 |
| JPH0211045Y2 true JPH0211045Y2 (en]) | 1990-03-19 |
Family
ID=31089117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16213987U Expired JPH0211045Y2 (en]) | 1987-10-22 | 1987-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0211045Y2 (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2614324B2 (ja) * | 1989-07-28 | 1997-05-28 | キヤノン株式会社 | 角膜形状測定装置 |
| JP2614328B2 (ja) * | 1989-09-11 | 1997-05-28 | キヤノン株式会社 | 眼科測定装置 |
-
1987
- 1987-10-22 JP JP16213987U patent/JPH0211045Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6377017U (en]) | 1988-05-21 |
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