JPS5015388A - - Google Patents

Info

Publication number
JPS5015388A
JPS5015388A JP49051686A JP5168674A JPS5015388A JP S5015388 A JPS5015388 A JP S5015388A JP 49051686 A JP49051686 A JP 49051686A JP 5168674 A JP5168674 A JP 5168674A JP S5015388 A JPS5015388 A JP S5015388A
Authority
JP
Japan
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.)
Granted
Application number
JP49051686A
Other languages
Japanese (ja)
Other versions
JPS542519B2 (en
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 filed Critical
Publication of JPS5015388A publication Critical patent/JPS5015388A/ja
Publication of JPS542519B2 publication Critical patent/JPS542519B2/ja
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
JP5168674A 1973-05-09 1974-05-09 Expired JPS542519B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35870273A 1973-05-09 1973-05-09

Publications (2)

Publication Number Publication Date
JPS5015388A true JPS5015388A (en) 1975-02-18
JPS542519B2 JPS542519B2 (en) 1979-02-08

Family

ID=23410694

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5168674A Expired JPS542519B2 (en) 1973-05-09 1974-05-09

Country Status (4)

Country Link
JP (1) JPS542519B2 (en)
DE (1) DE2422491C2 (en)
FR (1) FR2228461B1 (en)
GB (1) GB1456061A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542624A (en) * 1978-09-20 1980-03-26 Canon Kk Automatic eye refraction measuring system
JPS56813U (en) * 1979-06-18 1981-01-07
JPS565636A (en) * 1979-06-27 1981-01-21 Canon Kk Automatic eye refraction meter
JPS56161032A (en) * 1980-05-16 1981-12-11 Canon Kk Automatic eye refraction meter

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2703723C3 (en) * 1977-01-29 1986-05-07 Fa. Carl Zeiss, 7920 Heidenheim Optical system for illuminating the fundus and for imaging test marks on it
US4180323A (en) * 1977-09-30 1979-12-25 American Optical Corporation Alignment system and ophthalmic instrument incorporating the same
FR2486795A1 (en) * 1980-07-21 1982-01-22 France Etat OBJECTIVE REFRACTOMETER ASSISTED BY MICROPROCESSOR

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524702A (en) * 1968-09-06 1970-08-18 John G Bellows Apparatus for objectively and automatically refracting the eye

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542624A (en) * 1978-09-20 1980-03-26 Canon Kk Automatic eye refraction measuring system
JPS6153052B2 (en) * 1978-09-20 1986-11-15 Canon Kk
JPS56813U (en) * 1979-06-18 1981-01-07
JPS565636A (en) * 1979-06-27 1981-01-21 Canon Kk Automatic eye refraction meter
JPS6219851B2 (en) * 1979-06-27 1987-05-01 Canon Kk
JPS56161032A (en) * 1980-05-16 1981-12-11 Canon Kk Automatic eye refraction meter
JPS6153055B2 (en) * 1980-05-16 1986-11-15 Canon Kk

Also Published As

Publication number Publication date
DE2422491C2 (en) 1984-09-27
GB1456061A (en) 1976-11-17
JPS542519B2 (en) 1979-02-08
FR2228461A1 (en) 1974-12-06
DE2422491A1 (en) 1974-11-28
FR2228461B1 (en) 1978-01-13

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