CA1171706A - Objective refractor for the eye - Google Patents
Objective refractor for the eyeInfo
- Publication number
- CA1171706A CA1171706A CA000389012A CA389012A CA1171706A CA 1171706 A CA1171706 A CA 1171706A CA 000389012 A CA000389012 A CA 000389012A CA 389012 A CA389012 A CA 389012A CA 1171706 A CA1171706 A CA 1171706A
- Authority
- CA
- Canada
- Prior art keywords
- light
- eye
- detector
- lens
- knife
- 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 abstract description 63
- 239000011159 matrix material Substances 0.000 claims abstract description 41
- 238000005286 illumination Methods 0.000 claims abstract description 23
- 239000006185 dispersion Substances 0.000 claims abstract description 9
- 230000002207 retinal effect Effects 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 claims description 19
- 210000001525 retina Anatomy 0.000 abstract description 34
- 230000000694 effects Effects 0.000 abstract description 31
- 210000001747 pupil Anatomy 0.000 abstract description 19
- 201000009310 astigmatism Diseases 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 abstract description 11
- 230000002452 interceptive effect Effects 0.000 abstract description 6
- 241000219739 Lens Species 0.000 description 260
- 238000006073 displacement reaction Methods 0.000 description 45
- 230000008901 benefit Effects 0.000 description 28
- 238000012937 correction Methods 0.000 description 18
- 238000005259 measurement Methods 0.000 description 17
- 230000033001 locomotion Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 13
- 230000007935 neutral effect Effects 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 10
- 238000003384 imaging method Methods 0.000 description 9
- 238000009826 distribution Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 208000014733 refractive error Diseases 0.000 description 6
- 210000003128 head Anatomy 0.000 description 5
- 208000001491 myopia Diseases 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000004379 myopia Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 201000006318 hyperopia Diseases 0.000 description 3
- 230000004305 hyperopia Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 206010020675 Hypermetropia Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229940000425 combination drug Drugs 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 2
- 210000004087 cornea Anatomy 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000023077 detection of light stimulus Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000003455 independent Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000003362 replicative effect Effects 0.000 description 1
- 230000004256 retinal image Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- 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
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
-
- 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
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
- A61B3/1035—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes for measuring astigmatism
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/10—Bifocal lenses; Multifocal lenses
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Optics & Photonics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Eyeglasses (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000434246A CA1192774A (en) | 1980-10-31 | 1983-08-09 | Objective refractor for the eye |
| CA000434248A CA1171707A (en) | 1980-10-31 | 1983-08-09 | Objective refractor for the eye |
| CA000434247A CA1172478A (en) | 1980-10-31 | 1983-08-09 | Objective refractor for the eye |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20253680A | 1980-10-31 | 1980-10-31 | |
| US202,536 | 1980-10-31 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000434248A Division CA1171707A (en) | 1980-10-31 | 1983-08-09 | Objective refractor for the eye |
| CA000434246A Division CA1192774A (en) | 1980-10-31 | 1983-08-09 | Objective refractor for the eye |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1171706A true CA1171706A (en) | 1984-07-31 |
Family
ID=22750296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000389012A Expired CA1171706A (en) | 1980-10-31 | 1981-10-29 | Objective refractor for the eye |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS57131423A (enrdf_load_stackoverflow) |
| AU (1) | AU553164B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1171706A (enrdf_load_stackoverflow) |
| CH (2) | CH661198A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3143162A1 (enrdf_load_stackoverflow) |
| GB (3) | GB2086609B (enrdf_load_stackoverflow) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5985641A (ja) * | 1982-11-06 | 1984-05-17 | 株式会社トプコン | 屈折度測定装置 |
| JPS6185919A (ja) * | 1984-10-02 | 1986-05-01 | 株式会社トプコン | 眼検査装置 |
| DE4335244B4 (de) * | 1993-10-15 | 2006-10-19 | Daimlerchrysler Ag | Anordnung zur Bildaufnahme |
| FR2714246B1 (fr) * | 1993-12-20 | 1996-01-12 | Blanc Herve Joseph | Procédé et système de détermination de la fonction caractéristique bidimensionnelle d'une cellule photosensible. |
| DE19635942A1 (de) * | 1996-09-05 | 1998-03-12 | Vitaly Dr Lissotschenko | Optisches Strahlformungssystem |
| DE10104317C2 (de) * | 2001-01-25 | 2003-04-30 | 4D Vision Gmbh | Linsenanordnung |
| DE10139355A1 (de) * | 2001-08-17 | 2003-02-27 | Lissotschenko Vitalij | Anordnung und Vorrichtung zur optischen Strahlhomogenisierung |
| DE10153397A1 (de) * | 2001-11-01 | 2003-05-15 | Plusoptix Ag | Vorrichtung und Verfahren zur Messung der Refraktion |
| DE10335271A1 (de) * | 2003-08-01 | 2005-02-17 | Hentze-Lissotschenko Patentverwaltungs Gmbh & Co.Kg | Strahlformungsvorrichtung |
| DE10336957A1 (de) * | 2003-08-07 | 2005-02-24 | Hentze-Lissotschenko Patentverwaltungs Gmbh & Co.Kg | Vorrichtung zur Formung eines Lichtstrahles |
| DE102004020250A1 (de) * | 2004-04-26 | 2005-11-10 | Hentze-Lissotschenko Patentverwaltungs Gmbh & Co. Kg | Vorrichtung und Verfahren zur optischen Strahlhomogenisierung |
| JP5124864B2 (ja) | 2006-06-07 | 2013-01-23 | 本田技研工業株式会社 | 光学装置および移動装置 |
| CN109222886B (zh) * | 2018-11-16 | 2024-04-12 | 苏州巨目光学科技有限公司 | 可调屈光度调试眼 |
| CN116058786B (zh) * | 2023-03-06 | 2023-07-07 | 北京鹰瞳科技发展股份有限公司 | 眼底屈光地形图的确定方法、装置、电子设备及存储介质 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1772567C3 (de) * | 1968-06-04 | 1981-07-16 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und Vorrichtung zur Herstellung von Linsenrastern |
| GB1327231A (en) * | 1970-01-07 | 1973-08-15 | Nat Res Dev | Fire detecting apparatus |
| US3641255A (en) * | 1970-04-17 | 1972-02-08 | Rca Corp | Noninteracting lens system for a color encoding camera |
| GB1300300A (en) * | 1970-10-15 | 1972-12-20 | Alfred George Torr | Improvements in and relating to screens used in photomechanical reproduction |
| NL7106346A (enrdf_load_stackoverflow) * | 1971-05-08 | 1972-11-10 | ||
| GB1377558A (en) * | 1972-05-24 | 1974-12-18 | Ferraris C | Light producing signal device |
| JPS6049500B2 (ja) * | 1974-03-06 | 1985-11-02 | ハンフリー・インストルメンツ・インコーポレーテツド | 乱視効果可変装置 |
| US4070115A (en) * | 1976-03-26 | 1978-01-24 | Humphrey Instruments, Inc. | Lens meter |
| JPS5469455A (en) * | 1977-11-14 | 1979-06-04 | Tokyo Optical | Device for measuring astigmatism axis and refracting power |
| JPS5470688A (en) * | 1977-11-16 | 1979-06-06 | Nippon Chemical Ind | Device for measuring eye refracting power |
| JPS55125844A (en) * | 1979-03-20 | 1980-09-29 | Canon Kk | Optic refractometer |
-
1981
- 1981-10-26 AU AU76819/81A patent/AU553164B2/en not_active Ceased
- 1981-10-29 CA CA000389012A patent/CA1171706A/en not_active Expired
- 1981-10-30 DE DE19813143162 patent/DE3143162A1/de active Granted
- 1981-10-30 GB GB8132816A patent/GB2086609B/en not_active Expired
- 1981-10-31 JP JP56173735A patent/JPS57131423A/ja active Granted
- 1981-11-02 CH CH699181A patent/CH661198A5/de not_active IP Right Cessation
- 1981-11-02 CH CH503285A patent/CH664888A5/de not_active IP Right Cessation
-
1982
- 1982-11-12 GB GB08232428A patent/GB2112543B/en not_active Expired
-
1985
- 1985-02-05 GB GB08502875A patent/GB2154756B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2154756A (en) | 1985-09-11 |
| AU7681981A (en) | 1982-05-06 |
| GB2112543B (en) | 1985-05-22 |
| GB2086609B (en) | 1985-05-22 |
| DE3143162A1 (de) | 1982-07-29 |
| CH661198A5 (de) | 1987-07-15 |
| GB2112543A (en) | 1983-07-20 |
| DE3143162C2 (enrdf_load_stackoverflow) | 1988-04-21 |
| GB2154756B (en) | 1986-05-21 |
| CH664888A5 (de) | 1988-04-15 |
| JPS57131423A (en) | 1982-08-14 |
| JPS6331214B2 (enrdf_load_stackoverflow) | 1988-06-22 |
| GB8502875D0 (en) | 1985-03-06 |
| GB2086609A (en) | 1982-05-12 |
| AU553164B2 (en) | 1986-07-03 |
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| CA1171706A (en) | Objective refractor for the eye | |
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| JPH09504095A (ja) | 光学構成要素の検査装置 | |
| US4952049A (en) | Apparatus for measuring the refraction of eye | |
| US4984883A (en) | Translation insensitive keratometer using moire deflectometry | |
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| US4130361A (en) | Lens meter without relatively moving optical parts | |
| US4867554A (en) | Surface examining apparatus | |
| US4707090A (en) | Objective refractor for the eye | |
| US4560259A (en) | Objective refractor for the eye | |
| US5212507A (en) | Apparatus for measuring cornea shape | |
| CA1171707A (en) | Objective refractor for the eye | |
| CA1172478A (en) | Objective refractor for the eye | |
| CA1192774A (en) | Objective refractor for the eye | |
| JPH0365488B2 (enrdf_load_stackoverflow) | ||
| US4828385A (en) | Autolensmeter | |
| Korhonen | Interferometric method for optical testing and wavefront error sensing | |
| JPH0353572B2 (enrdf_load_stackoverflow) | ||
| JPS593238A (ja) | 自動レンズメ−タ− |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |