CA1171707A - Objectif refracteur pour l'oeil - Google Patents

Objectif refracteur pour l'oeil

Info

Publication number: CA1171707A
Authority: CA; Canada
Prior art keywords: light; eye; knife edge; detector; lens
Prior art date: 1980-10-31
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

Application number

CA000434248A

Other languages

English (en)

Inventor

William E. Humphrey

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Humphrey Instruments Inc

Original Assignee

Humphrey Instruments Inc

Priority date (The priority date 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 date listed.)

1980-10-31

Filing date

1983-08-09

Publication date

1984-07-31

1981-10-29 Priority claimed from CA000389012A external-priority patent/CA1171706A/fr

1983-08-09 Application filed by Humphrey Instruments Inc filed Critical Humphrey Instruments Inc

1983-08-09 Priority to CA000434248A priority Critical patent/CA1171707A/fr

1984-07-31 Application granted granted Critical

1984-07-31 Publication of CA1171707A publication Critical patent/CA1171707A/fr

Status Expired legal-status Critical Current

Links

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Landscapes

Eye Examination Apparatus (AREA)

CA000434248A 1980-10-31 1983-08-09 Objectif refracteur pour l'oeil Expired CA1171707A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000434248A CA1171707A (fr)	1980-10-31	1983-08-09	Objectif refracteur pour l'oeil

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US20253680A	1980-10-31	1980-10-31
US202,536		1980-10-31
CA000389012A CA1171706A (fr)	1980-10-31	1981-10-29	Objectif refracteur pour l'oeil
CA000434248A CA1171707A (fr)	1980-10-31	1983-08-09	Objectif refracteur pour l'oeil

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000389012A Division CA1171706A (fr)	1980-10-31	1981-10-29	Objectif refracteur pour l'oeil

Publications (1)

Publication Number	Publication Date
CA1171707A true CA1171707A (fr)	1984-07-31

Family

ID=27167160

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000434248A Expired CA1171707A (fr)	1980-10-31	1983-08-09	Objectif refracteur pour l'oeil

Country Status (1)

Country	Link
CA (1)	CA1171707A (fr)

1983
- 1983-08-09 CA CA000434248A patent/CA1171707A/fr not_active Expired

Legal Events

Date	Code	Title	Description
2001-08-01	MKEC	Expiry (correction)
2001-10-29	MKEX	Expiry

Publication	Publication Date	Title
CA1171706A (fr)	1984-07-31	Objectif refracteur pour l'oeil
US4640596A (en)	1987-02-03	Objective refractor for the eye
US4180325A (en)	1979-12-25	Lens meter with automated readout
AU2008215164B2 (en)	2012-06-07	Characterization of optical systems
US5303709A (en)	1994-04-19	Retinal eye disease diagnostic system
US4650301A (en)	1987-03-17	Objective refractor for the eye
JP4213590B2 (ja)	2009-01-21	高画質のハートマン・シャック画像のための範囲拡大システムと空間フィルタ及び関連方法
US4952049A (en)	1990-08-28	Apparatus for measuring the refraction of eye
US4669835A (en)	1987-06-02	Objective refractor for the eye
CA1078170A (fr)	1980-05-27	Appareil pour verifier les puissances refractives des lentilles
US4070115A (en)	1978-01-24	Lens meter
US4540254A (en)	1985-09-10	Keratometer having peripheral light entrance and exit paths
US4130361A (en)	1978-12-19	Lens meter without relatively moving optical parts
US4407572A (en)	1983-10-04	Keratometer
US4867554A (en)	1989-09-19	Surface examining apparatus
US4182572A (en)	1980-01-08	Lensmeter utilizing non-parallel light
US4707090A (en)	1987-11-17	Objective refractor for the eye
US4560259A (en)	1985-12-24	Objective refractor for the eye
CA1171707A (fr)	1984-07-31	Objectif refracteur pour l'oeil
US5212507A (en)	1993-05-18	Apparatus for measuring cornea shape
CA1172478A (fr)	1984-08-14	Objectif refracteur pour l'oeil
CA1192774A (fr)	1985-09-03	Objectif refracteur pour l'examen des yeux
US4828385A (en)	1989-05-09	Autolensmeter
JPH0353572B2 (fr)	1991-08-15
US5100227A (en)	1992-03-31	Translation insensitive keratometer using moire deflectometry