JPS54108493A - Photometer - Google Patents

Photometer

Info

Publication number
JPS54108493A
JPS54108493A JP14705878A JP14705878A JPS54108493A JP S54108493 A JPS54108493 A JP S54108493A JP 14705878 A JP14705878 A JP 14705878A JP 14705878 A JP14705878 A JP 14705878A JP S54108493 A JPS54108493 A JP S54108493A
Authority
JP
Japan
Prior art keywords
photometer
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.)
Pending
Application number
JP14705878A
Other languages
English (en)
Inventor
Haintsu Uirumusu Karuru
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.)
Optische Werke G Rodenstock
Original Assignee
Optische Werke G Rodenstock
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 Optische Werke G Rodenstock filed Critical Optische Werke G Rodenstock
Publication of JPS54108493A publication Critical patent/JPS54108493A/ja
Pending 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
    • A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/255—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring radius of curvature

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Eye Examination Apparatus (AREA)
JP14705878A 1978-02-07 1978-11-28 Photometer Pending JPS54108493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2805084A DE2805084C3 (de) 1978-02-07 1978-02-07 Fototopometer

Publications (1)

Publication Number Publication Date
JPS54108493A true JPS54108493A (en) 1979-08-25

Family

ID=6031326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14705878A Pending JPS54108493A (en) 1978-02-07 1978-11-28 Photometer

Country Status (6)

Country Link
US (1) US4312574A (ja)
JP (1) JPS54108493A (ja)
DE (1) DE2805084C3 (ja)
ES (1) ES474854A1 (ja)
FR (1) FR2416000A1 (ja)
IT (1) IT1114400B (ja)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572628A (en) * 1981-05-29 1986-02-25 Nippon Kogaku K.K. Method of and apparatus for measuring radius
US4660946A (en) * 1981-09-21 1987-04-28 Canon Kabushiki Kaisha Cornea shape measuring method and apparatus
US4618230A (en) * 1982-06-24 1986-10-21 Vancouver General Hospital Visual stimulator
US4710003A (en) * 1982-10-21 1987-12-01 Canon Kabushiki Kaisha Cornea shape measuring apparatus
US4929076A (en) * 1983-06-13 1990-05-29 Canon Kabushiki Kaisha Ophthalmic measuring apparatus
US4878750A (en) * 1985-01-25 1989-11-07 Canon Kabushiki Kaisha Ophthalmic measuring apparatus
US4998819A (en) * 1987-11-25 1991-03-12 Taunton Technologies, Inc. Topography measuring apparatus
US4902123A (en) * 1987-11-25 1990-02-20 Taunton Technologies, Inc. Topography measuring apparatus
US5106183A (en) * 1987-11-25 1992-04-21 Taunton Technologies, Inc. Topography measuring apparatus
US5262806A (en) * 1988-07-29 1993-11-16 Research Development Foundation Photo-deviometer
US5054907A (en) * 1989-12-22 1991-10-08 Phoenix Laser Systems, Inc. Ophthalmic diagnostic apparatus and method
US5170193A (en) * 1989-12-22 1992-12-08 Phoenix Laser Systems, Inc. Apparatus and method of identifying signals in biological tissues
US5283598A (en) * 1989-12-22 1994-02-01 Phoenix Laser Systems, Inc. Illumination of the cornea for profilometry
JP3042851B2 (ja) * 1990-01-29 2000-05-22 株式会社ニデック 角膜形状測定装置
US5585873A (en) * 1991-10-11 1996-12-17 Alcon Laboratories, Inc. Automated hand-held keratometer
EP0643941B1 (en) * 1993-09-22 1998-08-05 Konan Inc. Apparatus for obtaining images of cornea cells
WO2008141304A2 (en) 2007-05-11 2008-11-20 Amo Manufacturing Usa, Llc Combined wavefront and topography systems and methods
US7976163B2 (en) 2007-06-27 2011-07-12 Amo Wavefront Sciences Llc System and method for measuring corneal topography
US7988290B2 (en) * 2007-06-27 2011-08-02 AMO Wavefront Sciences LLC. Systems and methods for measuring the shape and location of an object
US7988293B2 (en) * 2008-11-14 2011-08-02 AMO Wavefront Sciences LLC. Method of qualifying light spots for optical measurements and measurement instrument employing method of qualifying light spots
DE102010017837A1 (de) * 2010-04-22 2011-10-27 Carl Zeiss Meditec Ag Anordnung zur Erzielung hochgenauer Messwerte am Auge
US8622546B2 (en) 2011-06-08 2014-01-07 Amo Wavefront Sciences, Llc Method of locating valid light spots for optical measurement and optical measurement instrument employing method of locating valid light spots
DE102013208091B4 (de) * 2013-05-02 2019-05-09 Carl Zeiss Ag Vorrichtung und Verfahren zum Vermessen einer Flächentopografie
CN105164507B (zh) 2013-05-02 2019-07-26 卡尔蔡司光学国际有限公司 用于确定对象的空间结构的方法和系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1721208A (en) * 1922-12-18 1929-07-16 American Optical Corp Eye-examining instrument
US1918540A (en) * 1930-03-12 1933-07-18 Zeiss Carl Fa Instrument for measuring the curvature of the cornea
US3169459A (en) * 1963-03-11 1965-02-16 Michael A Friedberg Method of determining surface contours of an eye
DE2641004C2 (de) * 1976-09-11 1981-12-17 Battelle-Institut E.V., 6000 Frankfurt Vorrichtung zur Messung der Hornhautkrümmung

Also Published As

Publication number Publication date
IT1114400B (it) 1986-01-27
US4312574A (en) 1982-01-26
ES474854A1 (es) 1979-03-16
DE2805084B2 (de) 1980-02-14
DE2805084A1 (de) 1979-08-09
IT7947893A0 (it) 1979-02-05
DE2805084C3 (de) 1980-10-16
FR2416000A1 (fr) 1979-08-31

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