JPS6150449B2 - - Google Patents
Info
- Publication number
- JPS6150449B2 JPS6150449B2 JP56129170A JP12917081A JPS6150449B2 JP S6150449 B2 JPS6150449 B2 JP S6150449B2 JP 56129170 A JP56129170 A JP 56129170A JP 12917081 A JP12917081 A JP 12917081A JP S6150449 B2 JPS6150449 B2 JP S6150449B2
- Authority
- JP
- Japan
- Prior art keywords
- array
- light
- measuring device
- diopter
- light source
- 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
- 238000005259 measurement Methods 0.000 claims description 48
- 230000003287 optical effect Effects 0.000 claims description 31
- 239000003086 colorant Substances 0.000 claims 1
- 201000009310 astigmatism Diseases 0.000 description 15
- 210000004087 cornea Anatomy 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000004907 flux Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 6
- 238000003491 array Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000012876 topography Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
- 206010020675 Hypermetropia Diseases 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 208000014733 refractive error Diseases 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56129170A JPS5829446A (ja) | 1981-08-18 | 1981-08-18 | 眼科測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56129170A JPS5829446A (ja) | 1981-08-18 | 1981-08-18 | 眼科測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5829446A JPS5829446A (ja) | 1983-02-21 |
JPS6150449B2 true JPS6150449B2 (de) | 1986-11-04 |
Family
ID=15002867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56129170A Granted JPS5829446A (ja) | 1981-08-18 | 1981-08-18 | 眼科測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5829446A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63198391U (de) * | 1987-06-12 | 1988-12-21 | ||
JPH01105390U (de) * | 1987-12-28 | 1989-07-17 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4929076A (en) * | 1983-06-13 | 1990-05-29 | Canon Kabushiki Kaisha | Ophthalmic measuring apparatus |
JPS61185242A (ja) * | 1985-02-09 | 1986-08-18 | キヤノン株式会社 | 眼科用測定装置 |
JPS59230535A (ja) * | 1983-06-13 | 1984-12-25 | キヤノン株式会社 | 眼科用測定装置 |
JPS6131146A (ja) * | 1984-07-24 | 1986-02-13 | キヤノン株式会社 | 眼屈折計 |
JPS61100227A (ja) * | 1984-10-23 | 1986-05-19 | キヤノン株式会社 | 眼科用測定装置 |
JPS61146229A (ja) * | 1984-12-20 | 1986-07-03 | ホ−ヤ株式会社 | 5分割による角膜曲率測定装置 |
JPS61162931A (ja) * | 1985-01-10 | 1986-07-23 | キヤノン株式会社 | 眼屈折計 |
JPS61168329A (ja) * | 1985-01-22 | 1986-07-30 | 株式会社トプコン | 眼屈折力測定装置 |
JPS61170434A (ja) * | 1985-01-25 | 1986-08-01 | キヤノン株式会社 | 眼科用測定装置 |
US4878750A (en) * | 1985-01-25 | 1989-11-07 | Canon Kabushiki Kaisha | Ophthalmic measuring apparatus |
JPS61185243A (ja) * | 1985-02-09 | 1986-08-18 | キヤノン株式会社 | 眼科用測定装置 |
JPS6257534A (ja) * | 1985-09-06 | 1987-03-13 | キヤノン株式会社 | 眼科用測定装置 |
JPH0620433B2 (ja) * | 1986-05-29 | 1994-03-23 | 株式会社トプコン | 角膜形状測定装置 |
JPH0753151B2 (ja) * | 1986-07-17 | 1995-06-07 | 株式会社トプコン | 眼科測定装置 |
JPS6353433A (ja) * | 1986-08-23 | 1988-03-07 | Canon Inc | 眼・レンズ屈折度測定装置 |
JP2612263B2 (ja) * | 1986-12-25 | 1997-05-21 | 株式会社トプコン | 検眼装置 |
JPS63194634A (ja) * | 1987-02-07 | 1988-08-11 | キヤノン株式会社 | 眼科機器のアライメント装置 |
JPS63212318A (ja) * | 1987-02-28 | 1988-09-05 | キヤノン株式会社 | 眼測定装置 |
JPH069544B2 (ja) * | 1987-03-31 | 1994-02-09 | キヤノン株式会社 | 眼測定装置 |
JPH0363027A (ja) * | 1990-03-16 | 1991-03-19 | Canon Inc | 眼科用測定装置 |
JP3052280B2 (ja) * | 1994-10-21 | 2000-06-12 | キヤノン株式会社 | 眼屈折測定装置 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1955859A1 (de) * | 1969-11-06 | 1971-05-13 | Zeiss Carl Fa | Verfahren und Vorrichtung zur Ermittlung des Refraktionszustandes eines Auges |
JPS519815A (de) * | 1974-07-16 | 1976-01-26 | Canon Kk | |
JPS51110531A (en) * | 1975-03-26 | 1976-09-30 | Eisai Co Ltd | Amijinokagobutsuno seizoho |
JPS52135597A (en) * | 1976-04-02 | 1977-11-12 | Zeiss Stiftung | Combination device for eye examination |
JPS5423560A (en) * | 1977-07-22 | 1979-02-22 | Redifon Flight Simulation Ltd | Laser device |
JPS5434592A (en) * | 1977-08-24 | 1979-03-14 | Tokyo Optical | Infrared ray refractometer |
JPS5458042A (en) * | 1977-09-23 | 1979-05-10 | Thomson Csf | Monochromatic image analyzing recorder |
JPS55110531A (en) * | 1979-02-16 | 1980-08-26 | Canon Kk | Mechanism for measuring visibility |
JPS5618837A (en) * | 1979-07-23 | 1981-02-23 | Canon Kk | Keratometer |
JPS56153233A (en) * | 1980-04-28 | 1981-11-27 | Tokyo Optical Co Ltd | Measuring device for optical characteristic of optical system |
-
1981
- 1981-08-18 JP JP56129170A patent/JPS5829446A/ja active Granted
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1955859A1 (de) * | 1969-11-06 | 1971-05-13 | Zeiss Carl Fa | Verfahren und Vorrichtung zur Ermittlung des Refraktionszustandes eines Auges |
JPS519815A (de) * | 1974-07-16 | 1976-01-26 | Canon Kk | |
JPS51110531A (en) * | 1975-03-26 | 1976-09-30 | Eisai Co Ltd | Amijinokagobutsuno seizoho |
JPS52135597A (en) * | 1976-04-02 | 1977-11-12 | Zeiss Stiftung | Combination device for eye examination |
JPS5423560A (en) * | 1977-07-22 | 1979-02-22 | Redifon Flight Simulation Ltd | Laser device |
JPS5434592A (en) * | 1977-08-24 | 1979-03-14 | Tokyo Optical | Infrared ray refractometer |
JPS5458042A (en) * | 1977-09-23 | 1979-05-10 | Thomson Csf | Monochromatic image analyzing recorder |
JPS55110531A (en) * | 1979-02-16 | 1980-08-26 | Canon Kk | Mechanism for measuring visibility |
JPS5618837A (en) * | 1979-07-23 | 1981-02-23 | Canon Kk | Keratometer |
JPS56153233A (en) * | 1980-04-28 | 1981-11-27 | Tokyo Optical Co Ltd | Measuring device for optical characteristic of optical system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63198391U (de) * | 1987-06-12 | 1988-12-21 | ||
JPH01105390U (de) * | 1987-12-28 | 1989-07-17 |
Also Published As
Publication number | Publication date |
---|---|
JPS5829446A (ja) | 1983-02-21 |
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