JPS6153053B2 - - Google Patents
Info
- Publication number
- JPS6153053B2 JPS6153053B2 JP54017424A JP1742479A JPS6153053B2 JP S6153053 B2 JPS6153053 B2 JP S6153053B2 JP 54017424 A JP54017424 A JP 54017424A JP 1742479 A JP1742479 A JP 1742479A JP S6153053 B2 JPS6153053 B2 JP S6153053B2
- Authority
- JP
- Japan
- Prior art keywords
- eye
- light beam
- diopter
- examined
- light
- 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 13
- 210000001747 pupil Anatomy 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims 6
- 201000009310 astigmatism Diseases 0.000 description 8
- 238000003384 imaging method Methods 0.000 description 5
- 210000004087 cornea Anatomy 0.000 description 3
- 230000004305 hyperopia Effects 0.000 description 2
- 201000006318 hyperopia Diseases 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 1
- 206010020675 Hypermetropia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036040 emmetropia Effects 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1742479A JPS55110531A (en) | 1979-02-16 | 1979-02-16 | Mechanism for measuring visibility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1742479A JPS55110531A (en) | 1979-02-16 | 1979-02-16 | Mechanism for measuring visibility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55110531A JPS55110531A (en) | 1980-08-26 |
| JPS6153053B2 true JPS6153053B2 (de) | 1986-11-15 |
Family
ID=11943624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1742479A Granted JPS55110531A (en) | 1979-02-16 | 1979-02-16 | Mechanism for measuring visibility |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55110531A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5829446A (ja) * | 1981-08-18 | 1983-02-21 | キヤノン株式会社 | 眼科測定装置 |
| JPS5854927A (ja) * | 1981-09-25 | 1983-04-01 | キヤノン株式会社 | 角膜形状測定装置 |
| JPS59225035A (ja) * | 1983-06-03 | 1984-12-18 | キヤノン株式会社 | 被検眼の近点測定装置 |
| JPS6131146A (ja) * | 1984-07-24 | 1986-02-13 | キヤノン株式会社 | 眼屈折計 |
| JPS61234837A (ja) * | 1985-04-12 | 1986-10-20 | キヤノン株式会社 | 眼屈折度測定装置 |
| JPH069543B2 (ja) * | 1986-11-15 | 1994-02-09 | キヤノン株式会社 | 眼屈折計 |
| JPH0197435A (ja) * | 1987-10-09 | 1989-04-14 | Canon Inc | 眼屈折計 |
| JPH07265267A (ja) * | 1995-01-30 | 1995-10-17 | Canon Inc | 眼測定装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53111697A (en) * | 1977-03-11 | 1978-09-29 | Asahi Optical Co Ltd | Optical system of objective automatic ophthalmoscope |
| JPS5414757A (en) * | 1977-07-05 | 1979-02-03 | Humphrey Instruments Inc | Lens meter |
| JPS6151890A (ja) * | 1984-08-21 | 1986-03-14 | Toshiba Corp | 埋込み型半導体レ−ザの製造方法 |
-
1979
- 1979-02-16 JP JP1742479A patent/JPS55110531A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53111697A (en) * | 1977-03-11 | 1978-09-29 | Asahi Optical Co Ltd | Optical system of objective automatic ophthalmoscope |
| JPS5414757A (en) * | 1977-07-05 | 1979-02-03 | Humphrey Instruments Inc | Lens meter |
| JPS6151890A (ja) * | 1984-08-21 | 1986-03-14 | Toshiba Corp | 埋込み型半導体レ−ザの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55110531A (en) | 1980-08-26 |
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