JPH0342884Y2 - - Google Patents
Info
- Publication number
- JPH0342884Y2 JPH0342884Y2 JP1986131673U JP13167386U JPH0342884Y2 JP H0342884 Y2 JPH0342884 Y2 JP H0342884Y2 JP 1986131673 U JP1986131673 U JP 1986131673U JP 13167386 U JP13167386 U JP 13167386U JP H0342884 Y2 JPH0342884 Y2 JP H0342884Y2
- Authority
- JP
- Japan
- Prior art keywords
- fixation target
- fixation
- eye
- optical axis
- target image
- 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
- 230000003287 optical effect Effects 0.000 claims description 34
- 238000005259 measurement Methods 0.000 claims description 5
- 230000004397 blinking Effects 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000002350 accommodative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003925 brain function Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986131673U JPH0342884Y2 (de) | 1986-08-28 | 1986-08-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986131673U JPH0342884Y2 (de) | 1986-08-28 | 1986-08-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6338502U JPS6338502U (de) | 1988-03-12 |
JPH0342884Y2 true JPH0342884Y2 (de) | 1991-09-09 |
Family
ID=31030348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986131673U Expired JPH0342884Y2 (de) | 1986-08-28 | 1986-08-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0342884Y2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2558582Y2 (ja) * | 1990-09-13 | 1997-12-24 | 株式会社トプコン | 視野計測装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5434593A (en) * | 1977-08-24 | 1979-03-14 | Tokyo Optical | Infrared ray refractometer |
JPS5668428A (en) * | 1979-11-09 | 1981-06-09 | Tokyo Optical | Refraction force measuring apparatus |
JPS5784037A (en) * | 1980-10-31 | 1982-05-26 | D L Guyton | Ophthalmic test apparatus |
-
1986
- 1986-08-28 JP JP1986131673U patent/JPH0342884Y2/ja not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5434593A (en) * | 1977-08-24 | 1979-03-14 | Tokyo Optical | Infrared ray refractometer |
JPS5668428A (en) * | 1979-11-09 | 1981-06-09 | Tokyo Optical | Refraction force measuring apparatus |
JPS5784037A (en) * | 1980-10-31 | 1982-05-26 | D L Guyton | Ophthalmic test apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS6338502U (de) | 1988-03-12 |
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