JPS55125844A - Optic refractometer - Google Patents

Optic refractometer

Info

Publication number
JPS55125844A
JPS55125844A JP3262879A JP3262879A JPS55125844A JP S55125844 A JPS55125844 A JP S55125844A JP 3262879 A JP3262879 A JP 3262879A JP 3262879 A JP3262879 A JP 3262879A JP S55125844 A JPS55125844 A JP S55125844A
Authority
JP
Japan
Prior art keywords
refractometer
optic
optic 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.)
Granted
Application number
JP3262879A
Other languages
English (en)
Other versions
JPS6128333B2 (ja
Inventor
Isao Matsumura
Yasuyuki Ishikawa
Shigeo Maruyama
Reiji Hirano
Yoshi Kobayakawa
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.)
Canon Inc
Original Assignee
Canon 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.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP3262879A priority Critical patent/JPS55125844A/ja
Priority to US06/131,499 priority patent/US4376573A/en
Priority to DE19803010576 priority patent/DE3010576A1/de
Publication of JPS55125844A publication Critical patent/JPS55125844A/ja
Publication of JPS6128333B2 publication Critical patent/JPS6128333B2/ja
Granted 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

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)
JP3262879A 1979-03-20 1979-03-20 Optic refractometer Granted JPS55125844A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP3262879A JPS55125844A (en) 1979-03-20 1979-03-20 Optic refractometer
US06/131,499 US4376573A (en) 1979-03-20 1980-03-18 Apparatus for measuring the refractive power of the eye
DE19803010576 DE3010576A1 (de) 1979-03-20 1980-03-19 Augenrefraktometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3262879A JPS55125844A (en) 1979-03-20 1979-03-20 Optic refractometer

Publications (2)

Publication Number Publication Date
JPS55125844A true JPS55125844A (en) 1980-09-29
JPS6128333B2 JPS6128333B2 (ja) 1986-06-30

Family

ID=12364107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3262879A Granted JPS55125844A (en) 1979-03-20 1979-03-20 Optic refractometer

Country Status (3)

Country Link
US (1) US4376573A (ja)
JP (1) JPS55125844A (ja)
DE (1) DE3010576A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57196960A (en) * 1981-05-19 1982-12-03 Aran Kakinen Kari Sight error detecting and recording method and apparatus
JPH0315436A (ja) * 1989-06-12 1991-01-23 Agency Of Ind Science & Technol 眼球機能測定機のための許容最小瞳孔径縮小光学系
JP2017046939A (ja) * 2015-09-02 2017-03-09 株式会社ニデック 走査型レーザ検眼鏡

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652032A (en) * 1979-10-05 1981-05-09 Canon Kk Eye refrating force measuring apparatus
DE3118560C2 (de) * 1980-05-12 1987-05-07 Asahi Kogaku Kogyo K.K., Tokio/Tokyo Meßeinrichtung zur Bestimmung von Augenbrechungsfehlern
US4707090A (en) * 1980-10-31 1987-11-17 Humphrey Instruments, Inc. Objective refractor for the eye
AU553164B2 (en) * 1980-10-31 1986-07-03 Allergan Humphrey Objective refractor for the eye
JPS60145119A (ja) * 1983-12-30 1985-07-31 キヤノン株式会社 眼屈折力測定装置
US4761070A (en) * 1984-12-07 1988-08-02 Tokyo Kogaku Kikai Kabushiki Kaisha Eye refractometer
US4820037A (en) * 1985-01-10 1989-04-11 Canon Kabushiki Kaisha Apparatus for measuring the refractive power of an eye
DD268392A1 (de) * 1988-01-20 1989-05-31 Zeiss Jena Veb Carl Anordnung und verfahren zur einstellung eines untersuchungsgeraetes sowie fuer untersuchung des auges
DE68921375T2 (de) * 1988-06-27 1995-10-26 Ryusyo Industrial Co., Ltd., Osaka Messgerät für die Brechkraft des Auges.
CH677599A5 (ja) * 1988-09-22 1991-06-14 Interzeag Ag
EP0373788B1 (en) * 1988-12-06 1995-06-07 Kabushiki Kaisha TOPCON Ocular refracting power measuring system
JP3168212B2 (ja) * 1991-01-30 2001-05-21 株式会社ニデック 眼屈折力測定装置
US5684561A (en) * 1992-05-26 1997-11-04 Daphne Eye Technologies Device and method for evaluation of refraction of the eye
US5523809A (en) * 1992-08-25 1996-06-04 Canon Kabushiki Kaisha Eye refraction measuring apparatus including optical path separating member light beam separating member, and/or light diameter changing means
US5963300A (en) * 1998-02-17 1999-10-05 Amt Technologies, Corp. Ocular biometer
US7556378B1 (en) 2003-04-10 2009-07-07 Tsontcho Ianchulev Intraoperative estimation of intraocular lens power
WO2005102200A2 (en) 2004-04-20 2005-11-03 Wavetec Vision Systems, Inc. Integrated surgical microscope and wavefront sensor
US20080151190A1 (en) * 2006-12-21 2008-06-26 Bentley Joseph R Corneal measurment apparatus and a method of using the same
US8333474B2 (en) 2007-10-19 2012-12-18 Wavetec Vision Systems, Inc. Optical instrument alignment system
US7594729B2 (en) 2007-10-31 2009-09-29 Wf Systems, Llc Wavefront sensor
WO2010054268A2 (en) 2008-11-06 2010-05-14 Wavetec Vision Systems, Inc. Optical angular measurement system for ophthalmic applications and method for positioning of a toric intraocular lens with increased accuracy
US8876290B2 (en) 2009-07-06 2014-11-04 Wavetec Vision Systems, Inc. Objective quality metric for ocular wavefront measurements
ES2653970T3 (es) 2009-07-14 2018-02-09 Wavetec Vision Systems, Inc. Determinación de la posición efectiva de la lente de una lente intraocular utilizando potencia refractiva afáquica
WO2011008609A1 (en) 2009-07-14 2011-01-20 Wavetec Vision Systems, Inc. Ophthalmic surgery measurement system
US9072462B2 (en) 2012-09-27 2015-07-07 Wavetec Vision Systems, Inc. Geometric optical power measurement device
US20150374233A1 (en) * 2014-06-30 2015-12-31 GuoTong Medical Development Co., Ltd Visual Problem Diagnosis Using Refractive Parameters Measured With A Retinal Camera
EP3973849A1 (en) * 2020-09-24 2022-03-30 Carl Zeiss Vision International GmbH Apparatus and method for determining the refractive error of an eye

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313113B2 (ja) * 1973-11-26 1978-05-08
JPS5542624A (en) * 1978-09-20 1980-03-26 Canon Kk Automatic eye refraction measuring system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57196960A (en) * 1981-05-19 1982-12-03 Aran Kakinen Kari Sight error detecting and recording method and apparatus
JPH0320245B2 (ja) * 1981-05-19 1991-03-19 Aran Kakinen Kari
JPH0315436A (ja) * 1989-06-12 1991-01-23 Agency Of Ind Science & Technol 眼球機能測定機のための許容最小瞳孔径縮小光学系
JPH0356046B2 (ja) * 1989-06-12 1991-08-27
JP2017046939A (ja) * 2015-09-02 2017-03-09 株式会社ニデック 走査型レーザ検眼鏡

Also Published As

Publication number Publication date
JPS6128333B2 (ja) 1986-06-30
US4376573A (en) 1983-03-15
DE3010576C2 (ja) 1989-06-15
DE3010576A1 (de) 1980-10-02

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