DE3162287D1 - Objective refractometer provided with a microcomputer - Google Patents

Objective refractometer provided with a microcomputer

Info

Publication number
DE3162287D1
DE3162287D1 DE8181401107T DE3162287T DE3162287D1 DE 3162287 D1 DE3162287 D1 DE 3162287D1 DE 8181401107 T DE8181401107 T DE 8181401107T DE 3162287 T DE3162287 T DE 3162287T DE 3162287 D1 DE3162287 D1 DE 3162287D1
Authority
DE
Germany
Prior art keywords
microcomputer
objective refractometer
refractometer provided
objective
refractometer
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
Application number
DE8181401107T
Other languages
German (de)
English (en)
Inventor
Jacques Simon
Joel Corno
Didier Bruneau
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.)
Direction General de lArmement DGA
Gouvernement de la Republique Francaise
Original Assignee
Delegation Generale pour lArmement
Gouvernement de la Republique Francaise
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.)
Filing date
Publication date
Application filed by Delegation Generale pour lArmement, Gouvernement de la Republique Francaise filed Critical Delegation Generale pour lArmement
Application granted granted Critical
Publication of DE3162287D1 publication Critical patent/DE3162287D1/de
Expired legal-status Critical Current

Links

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
    • A61B3/10—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

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)
DE8181401107T 1980-07-21 1981-07-09 Objective refractometer provided with a microcomputer Expired DE3162287D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8016001A FR2486795A1 (fr) 1980-07-21 1980-07-21 Refractometre objectif assiste par microprocesseur

Publications (1)

Publication Number Publication Date
DE3162287D1 true DE3162287D1 (en) 1984-03-22

Family

ID=9244331

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181401107T Expired DE3162287D1 (en) 1980-07-21 1981-07-09 Objective refractometer provided with a microcomputer

Country Status (5)

Country Link
US (1) US4444476A (enExample)
EP (1) EP0044770B1 (enExample)
JP (1) JPS5745839A (enExample)
DE (1) DE3162287D1 (enExample)
FR (1) FR2486795A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5937A (ja) * 1982-06-25 1984-01-05 ホ−ヤ株式会社 自覚式電動検眼機
FR2546055B1 (fr) * 1983-05-19 1986-04-11 Essilor Int Procede et dispositif de refractometrie pour mesurer le degre d'ametropie et notamment le degre d'astigmatisme d'un oeil
FR2555039B1 (fr) * 1983-11-21 1986-04-04 Centre Nat Rech Scient Ophtalmoscope catadioptrique a balayage
JPH01166741A (ja) * 1987-12-24 1989-06-30 Hoya Corp 眼屈折力測定装置
EP0374306A1 (en) * 1988-12-23 1990-06-27 Herman Van Gelderen Apparatus and method for determining contact lenses
US5585873A (en) * 1991-10-11 1996-12-17 Alcon Laboratories, Inc. Automated hand-held keratometer
US5331394A (en) * 1992-04-10 1994-07-19 Metaphase Corporation Automated lensometer
US5387952A (en) * 1994-01-31 1995-02-07 Byer; Harold Feedback apparatus for sensing head position
US5617157A (en) * 1994-06-15 1997-04-01 Metaphase Ophthalmic Corp. Computer controlled subjective refractor
DE19546991A1 (de) * 1995-12-15 1997-06-19 Hennig Juergen Verfahren und Vorrichtung zur Brillenbestimmung unter Anwendung eines Phoropters
GB2332062B (en) * 1999-02-18 2000-02-09 Jitesh Taank The oculus full eye trial frame digital (series 1) display trial frame
JP2001095760A (ja) * 1999-09-28 2001-04-10 Topcon Corp 眼の光学特性測定装置
DE10300322A1 (de) * 2003-01-09 2004-07-29 Oculus Optikgeräte GmbH Augenrefraktometer und Verfahren zum Betrieb eines Augenrefraktometers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832066A (en) * 1972-10-27 1974-08-27 Acuity Syst Inc Apparatus and method for analyzing sphero-cylindrical optical systems
FR2228461B1 (enExample) * 1973-05-09 1978-01-13 Tropel
US3874774A (en) * 1973-06-20 1975-04-01 Humphrey Research Associates I Eye test apparatus
US3927933A (en) * 1973-08-06 1975-12-23 Humphrey Instruments Inc Apparatus for opthalmological prescription readout
US3969020A (en) * 1973-12-28 1976-07-13 Giles C. Clegg, Jr. Automatic refraction apparatus and method
DE2654608C3 (de) * 1976-12-02 1979-06-21 Fa. Carl Zeiss, 7920 Heidenheim Refraktometer zur selbsttätigen objektiven Ermittlung des Refraktionszustandes eines Auges
US4190332A (en) * 1977-10-14 1980-02-26 Acuity Systems, Incorporated Method and apparatus for controlling visual refractive state of the eye
US4199816A (en) * 1978-06-28 1980-04-22 Humphrey Instruments, Inc. Optical calibration apparatus and procedure
US4181407A (en) * 1978-07-03 1980-01-01 Razran Gilbert B Apparatus for automatically testing vision by phase measurements
JPS5586437A (en) * 1978-12-22 1980-06-30 Nippon Chemical Ind Objective eye refractive power measuring device

Also Published As

Publication number Publication date
US4444476A (en) 1984-04-24
EP0044770A1 (fr) 1982-01-27
FR2486795B1 (enExample) 1984-09-21
JPS5745839A (en) 1982-03-16
EP0044770B1 (fr) 1984-02-15
FR2486795A1 (fr) 1982-01-22

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee