JPS6111090B2 - - Google Patents
Info
- Publication number
- JPS6111090B2 JPS6111090B2 JP52136612A JP13661277A JPS6111090B2 JP S6111090 B2 JPS6111090 B2 JP S6111090B2 JP 52136612 A JP52136612 A JP 52136612A JP 13661277 A JP13661277 A JP 13661277A JP S6111090 B2 JPS6111090 B2 JP S6111090B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- eye
- optical system
- refractive power
- examined
- 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 50
- 238000005259 measurement Methods 0.000 claims description 46
- 238000001514 detection method Methods 0.000 claims description 26
- 230000004907 flux Effects 0.000 claims description 22
- 210000001747 pupil Anatomy 0.000 claims description 10
- 210000004087 cornea Anatomy 0.000 claims description 5
- 201000009310 astigmatism Diseases 0.000 description 18
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000007689 inspection Methods 0.000 description 10
- 229920000729 poly(L-lysine) polymer Polymers 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13661277A JPS5470688A (en) | 1977-11-16 | 1977-11-16 | Device for measuring eye refracting power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13661277A JPS5470688A (en) | 1977-11-16 | 1977-11-16 | Device for measuring eye refracting power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5470688A JPS5470688A (en) | 1979-06-06 |
| JPS6111090B2 true JPS6111090B2 (enrdf_load_stackoverflow) | 1986-04-01 |
Family
ID=15179362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13661277A Granted JPS5470688A (en) | 1977-11-16 | 1977-11-16 | Device for measuring eye refracting power |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5470688A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5907388A (en) * | 1996-10-03 | 1999-05-25 | Nidek Co., Ltd. | Ophthalmic measurement apparatus having plural pairs of photoreceiving elements |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55125841A (en) * | 1979-03-19 | 1980-09-29 | Canon Kk | Optic refractometer provided with means for detecting quantity of light |
| AU553164B2 (en) * | 1980-10-31 | 1986-07-03 | Allergan Humphrey | Objective refractor for the eye |
-
1977
- 1977-11-16 JP JP13661277A patent/JPS5470688A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5907388A (en) * | 1996-10-03 | 1999-05-25 | Nidek Co., Ltd. | Ophthalmic measurement apparatus having plural pairs of photoreceiving elements |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5470688A (en) | 1979-06-06 |
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