JPS6121654B2 - - Google Patents
Info
- Publication number
- JPS6121654B2 JPS6121654B2 JP52033927A JP3392777A JPS6121654B2 JP S6121654 B2 JPS6121654 B2 JP S6121654B2 JP 52033927 A JP52033927 A JP 52033927A JP 3392777 A JP3392777 A JP 3392777A JP S6121654 B2 JPS6121654 B2 JP S6121654B2
- Authority
- JP
- Japan
- Prior art keywords
- target
- astigmatism
- optical system
- filament
- subject
- 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
- 201000009310 astigmatism Diseases 0.000 claims description 159
- 238000012937 correction Methods 0.000 claims description 147
- 230000003287 optical effect Effects 0.000 claims description 119
- 206010040925 Skin striae Diseases 0.000 claims description 51
- 238000000034 method Methods 0.000 description 19
- 230000008901 benefit Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 15
- 230000002207 retinal effect Effects 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- 230000033001 locomotion Effects 0.000 description 13
- 230000000007 visual effect Effects 0.000 description 12
- 238000005259 measurement Methods 0.000 description 11
- 238000003384 imaging method Methods 0.000 description 7
- 230000004075 alteration Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000968 medical method and process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001577 neostriatum Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/036—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters for testing astigmatism
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67081076A | 1976-03-26 | 1976-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52138394A JPS52138394A (en) | 1977-11-18 |
| JPS6121654B2 true JPS6121654B2 (en]) | 1986-05-28 |
Family
ID=24691976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3392777A Granted JPS52138394A (en) | 1976-03-26 | 1977-03-26 | Apparatus for and method of subjective testing of eye for astigmatism and spherical correction |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4113363A (en]) |
| JP (1) | JPS52138394A (en]) |
| DE (1) | DE2713330A1 (en]) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54126531A (en) * | 1978-03-24 | 1979-10-01 | Minolta Camera Co Ltd | Diopter adjusting eyepiece lens and finder of single lens reflex camera using this |
| JPS58105302U (ja) * | 1982-01-08 | 1983-07-18 | 栗崎 広 | 乱視軸度選定視表装置 |
| US5642441A (en) * | 1995-10-24 | 1997-06-24 | Neopath, Inc. | Separation apparatus and method for measuring focal plane |
| US7726811B2 (en) | 2006-02-14 | 2010-06-01 | Lai Shui T | Subjective wavefront refraction using continuously adjustable wave plates of Zernike function |
| WO2007095596A2 (en) * | 2006-02-14 | 2007-08-23 | Lai Shui T | Subjective refraction method and device for correcting low and higher order aberrations |
| US7959284B2 (en) * | 2006-07-25 | 2011-06-14 | Lai Shui T | Method of making high precision optics having a wavefront profile |
| FR3038823B1 (fr) * | 2015-07-17 | 2022-03-04 | Essilor Int | Dispositif de compensation visuelle, procede de commande d'un dispositif de compensation visuelle et dispositif binoculaire d'optometrie |
| CN115590459B (zh) * | 2022-10-25 | 2023-07-07 | 江苏鸿晨集团有限公司 | 一种高精度的散光板 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1850168A (en) * | 1928-05-01 | 1932-03-22 | Albert E Covelle | Oculist's sight testing apparatus |
| DE1885693U (de) * | 1963-08-09 | 1964-01-09 | Akad Wissenschaften Ddr | Astigmatismuspruefscheibe. |
| US3785723A (en) * | 1973-02-27 | 1974-01-15 | D Guyton | Method and apparatus for locating a principal meridian of an astigmatic optical system |
| US3841760A (en) * | 1973-02-27 | 1974-10-15 | D Guyton | Zonal focus method for determining the amount of astigmatic correction for an optical system |
| US3947097A (en) * | 1974-03-18 | 1976-03-30 | Humphrey Instruments, Inc. | Process and apparatus for astigmatic and spherical subjective testing of the eye |
| DE2541875A1 (de) * | 1975-09-19 | 1977-03-24 | Humphrey Instruments Inc | Verfahren und vorrichtung zur sehkraftbestimmung |
-
1977
- 1977-03-25 DE DE19772713330 patent/DE2713330A1/de active Granted
- 1977-03-26 JP JP3392777A patent/JPS52138394A/ja active Granted
- 1977-04-25 US US05/790,203 patent/US4113363A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2713330C2 (en]) | 1988-12-01 |
| JPS52138394A (en) | 1977-11-18 |
| US4113363A (en) | 1978-09-12 |
| DE2713330A1 (de) | 1977-10-06 |
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