JPS6220169Y2 - - Google Patents
Info
- Publication number
- JPS6220169Y2 JPS6220169Y2 JP16741182U JP16741182U JPS6220169Y2 JP S6220169 Y2 JPS6220169 Y2 JP S6220169Y2 JP 16741182 U JP16741182 U JP 16741182U JP 16741182 U JP16741182 U JP 16741182U JP S6220169 Y2 JPS6220169 Y2 JP S6220169Y2
- Authority
- JP
- Japan
- Prior art keywords
- straight line
- chart
- straight
- astigmatism
- angle
- 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
- 201000009310 astigmatism Diseases 0.000 claims description 29
- 238000012360 testing method Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16741182U JPS5971601U (ja) | 1982-11-06 | 1982-11-06 | 乱視検査用チヤ−ト |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16741182U JPS5971601U (ja) | 1982-11-06 | 1982-11-06 | 乱視検査用チヤ−ト |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5971601U JPS5971601U (ja) | 1984-05-15 |
| JPS6220169Y2 true JPS6220169Y2 (en]) | 1987-05-22 |
Family
ID=30366261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16741182U Granted JPS5971601U (ja) | 1982-11-06 | 1982-11-06 | 乱視検査用チヤ−ト |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5971601U (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6962767B2 (ja) * | 2017-09-28 | 2021-11-05 | 株式会社トプコン | 眼科装置 |
-
1982
- 1982-11-06 JP JP16741182U patent/JPS5971601U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5971601U (ja) | 1984-05-15 |
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