JPS6346130A - 他覚式眼屈折力測定装置 - Google Patents
他覚式眼屈折力測定装置Info
- Publication number
- JPS6346130A JPS6346130A JP61190346A JP19034686A JPS6346130A JP S6346130 A JPS6346130 A JP S6346130A JP 61190346 A JP61190346 A JP 61190346A JP 19034686 A JP19034686 A JP 19034686A JP S6346130 A JPS6346130 A JP S6346130A
- Authority
- JP
- Japan
- Prior art keywords
- eye
- refractive power
- slit
- light
- plate
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 18
- 230000004907 flux Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 210000001747 pupil Anatomy 0.000 description 9
- 201000009310 astigmatism Diseases 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 230000014509 gene expression Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61190346A JPS6346130A (ja) | 1986-08-13 | 1986-08-13 | 他覚式眼屈折力測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61190346A JPS6346130A (ja) | 1986-08-13 | 1986-08-13 | 他覚式眼屈折力測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6346130A true JPS6346130A (ja) | 1988-02-27 |
JPH0556734B2 JPH0556734B2 (enrdf_load_html_response) | 1993-08-20 |
Family
ID=16256669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61190346A Granted JPS6346130A (ja) | 1986-08-13 | 1986-08-13 | 他覚式眼屈折力測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6346130A (enrdf_load_html_response) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5148231A (en) * | 1990-06-26 | 1992-09-15 | Tomey Corp. | Apparatus for measuring a refracting power of an optical system |
US5408311A (en) * | 1992-02-25 | 1995-04-18 | Tomey Corp. | Method for measuring a refracting power of an optical system and its apparatus |
US5907388A (en) * | 1996-10-03 | 1999-05-25 | Nidek Co., Ltd. | Ophthalmic measurement apparatus having plural pairs of photoreceiving elements |
US6030081A (en) * | 1997-08-29 | 2000-02-29 | Nidek Co., Ltd. | Eye refractive power measurement apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS625147A (ja) * | 1985-07-02 | 1987-01-12 | Nippon Kogaku Kk <Nikon> | 光学系の屈折力測定装置 |
-
1986
- 1986-08-13 JP JP61190346A patent/JPS6346130A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS625147A (ja) * | 1985-07-02 | 1987-01-12 | Nippon Kogaku Kk <Nikon> | 光学系の屈折力測定装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5148231A (en) * | 1990-06-26 | 1992-09-15 | Tomey Corp. | Apparatus for measuring a refracting power of an optical system |
US5408311A (en) * | 1992-02-25 | 1995-04-18 | Tomey Corp. | Method for measuring a refracting power of an optical system and its apparatus |
US5907388A (en) * | 1996-10-03 | 1999-05-25 | Nidek Co., Ltd. | Ophthalmic measurement apparatus having plural pairs of photoreceiving elements |
US6030081A (en) * | 1997-08-29 | 2000-02-29 | Nidek Co., Ltd. | Eye refractive power measurement apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPH0556734B2 (enrdf_load_html_response) | 1993-08-20 |