JPH0554324B2 - - Google Patents
Info
- Publication number
- JPH0554324B2 JPH0554324B2 JP60136517A JP13651785A JPH0554324B2 JP H0554324 B2 JPH0554324 B2 JP H0554324B2 JP 60136517 A JP60136517 A JP 60136517A JP 13651785 A JP13651785 A JP 13651785A JP H0554324 B2 JPH0554324 B2 JP H0554324B2
- Authority
- JP
- Japan
- Prior art keywords
- eye
- chart
- measurement target
- target image
- refractive power
- 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 70
- 230000003287 optical effect Effects 0.000 claims description 27
- 230000004308 accommodation Effects 0.000 claims description 14
- 230000002350 accommodative effect Effects 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 description 17
- 201000009310 astigmatism Diseases 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 210000001747 pupil Anatomy 0.000 description 4
- 230000004304 visual acuity Effects 0.000 description 4
- 241001272720 Medialuna californiensis Species 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000012545 processing 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
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60136517A JPS61293428A (ja) | 1985-06-22 | 1985-06-22 | 眼屈折力測定装置 |
| US07/277,439 US4917480A (en) | 1985-01-18 | 1988-11-28 | Eye refractive power measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60136517A JPS61293428A (ja) | 1985-06-22 | 1985-06-22 | 眼屈折力測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61293428A JPS61293428A (ja) | 1986-12-24 |
| JPH0554324B2 true JPH0554324B2 (en]) | 1993-08-12 |
Family
ID=15177025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60136517A Granted JPS61293428A (ja) | 1985-01-18 | 1985-06-22 | 眼屈折力測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61293428A (en]) |
-
1985
- 1985-06-22 JP JP60136517A patent/JPS61293428A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61293428A (ja) | 1986-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |