JPH0554325B2 - - Google Patents
Info
- Publication number
- JPH0554325B2 JPH0554325B2 JP60010370A JP1037085A JPH0554325B2 JP H0554325 B2 JPH0554325 B2 JP H0554325B2 JP 60010370 A JP60010370 A JP 60010370A JP 1037085 A JP1037085 A JP 1037085A JP H0554325 B2 JPH0554325 B2 JP H0554325B2
- Authority
- JP
- Japan
- Prior art keywords
- eye
- image
- light
- target image
- measurement
- 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 - Fee Related
Links
- 238000005259 measurement Methods 0.000 claims description 97
- 230000003287 optical effect Effects 0.000 claims description 56
- 238000003384 imaging method Methods 0.000 claims description 47
- 238000005286 illumination Methods 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 210000002294 anterior eye segment Anatomy 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 201000009310 astigmatism Diseases 0.000 description 4
- 238000012937 correction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 210000001747 pupil Anatomy 0.000 description 4
- 241000669069 Chrysomphalus aonidum Species 0.000 description 3
- 241001272720 Medialuna californiensis Species 0.000 description 3
- 206010027646 Miosis Diseases 0.000 description 3
- 230000003547 miosis Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 206010064127 Solar lentigo Diseases 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002577 ophthalmoscopy Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60010370A JPS61168329A (ja) | 1985-01-22 | 1985-01-22 | 眼屈折力測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60010370A JPS61168329A (ja) | 1985-01-22 | 1985-01-22 | 眼屈折力測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61168329A JPS61168329A (ja) | 1986-07-30 |
| JPH0554325B2 true JPH0554325B2 (cs) | 1993-08-12 |
Family
ID=11748266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60010370A Granted JPS61168329A (ja) | 1985-01-22 | 1985-01-22 | 眼屈折力測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61168329A (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63212318A (ja) * | 1987-02-28 | 1988-09-05 | キヤノン株式会社 | 眼測定装置 |
| JPH08229007A (ja) * | 1996-01-23 | 1996-09-10 | Topcon Corp | 検眼装置 |
| JP4426837B2 (ja) * | 2003-12-22 | 2010-03-03 | 株式会社ニデック | 眼調節機能測定装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5434592A (en) * | 1977-08-24 | 1979-03-14 | Tokyo Optical | Infrared ray refractometer |
| JPS5452895A (en) * | 1977-10-05 | 1979-04-25 | Canon Kk | Eyeground camera |
| JPS565636A (en) * | 1979-06-27 | 1981-01-21 | Canon Kk | Automatic eye refraction meter |
| JPS57175346A (en) * | 1981-04-24 | 1982-10-28 | Tokyo Optical | Automatic focusing apparatus of ophthalmic machine |
| JPS5829446A (ja) * | 1981-08-18 | 1983-02-21 | キヤノン株式会社 | 眼科測定装置 |
-
1985
- 1985-01-22 JP JP60010370A patent/JPS61168329A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5434592A (en) * | 1977-08-24 | 1979-03-14 | Tokyo Optical | Infrared ray refractometer |
| JPS5452895A (en) * | 1977-10-05 | 1979-04-25 | Canon Kk | Eyeground camera |
| JPS565636A (en) * | 1979-06-27 | 1981-01-21 | Canon Kk | Automatic eye refraction meter |
| JPS57175346A (en) * | 1981-04-24 | 1982-10-28 | Tokyo Optical | Automatic focusing apparatus of ophthalmic machine |
| JPS5829446A (ja) * | 1981-08-18 | 1983-02-21 | キヤノン株式会社 | 眼科測定装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61168329A (ja) | 1986-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |