AU4527293A - Checkered placido apparatus and method - Google Patents

Checkered placido apparatus and method

Info

Publication number
AU4527293A
AU4527293A AU45272/93A AU4527293A AU4527293A AU 4527293 A AU4527293 A AU 4527293A AU 45272/93 A AU45272/93 A AU 45272/93A AU 4527293 A AU4527293 A AU 4527293A AU 4527293 A AU4527293 A AU 4527293A
Authority
AU
Australia
Prior art keywords
placido
cornea
image
eye
determining
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.)
Abandoned
Application number
AU45272/93A
Other languages
English (en)
Inventor
Henry M D'Souza
Edwin J Sarver
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.)
EYESYS LABORATORIES Inc
Original Assignee
EYESYS LAB 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 EYESYS LAB Inc filed Critical EYESYS LAB Inc
Publication of AU4527293A publication Critical patent/AU4527293A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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

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)
  • Compounds Of Unknown Constitution (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
AU45272/93A 1992-06-02 1993-06-02 Checkered placido apparatus and method Abandoned AU4527293A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89196192A 1992-06-02 1992-06-02
US891961 1992-06-02

Publications (1)

Publication Number Publication Date
AU4527293A true AU4527293A (en) 1993-12-30

Family

ID=25399127

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45272/93A Abandoned AU4527293A (en) 1992-06-02 1993-06-02 Checkered placido apparatus and method

Country Status (7)

Country Link
EP (1) EP0643566A1 (ru)
JP (1) JP3387500B2 (ru)
AU (1) AU4527293A (ru)
BR (1) BR9306484A (ru)
CA (1) CA2137151A1 (ru)
RU (1) RU94046368A (ru)
WO (1) WO1993024049A1 (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3610139B2 (ja) * 1995-12-26 2005-01-12 キヤノン株式会社 眼底検査装置
US6152565A (en) * 1997-12-31 2000-11-28 Premier Laser Systems, Inc. Handheld corneal topography system
JP3630973B2 (ja) 1998-02-27 2005-03-23 株式会社ニデック 眼科装置及び眼科装置における検眼情報の保存方法
EP0947158B1 (en) * 1998-03-31 2006-05-24 Nidek Co., Ltd. Ophthalmic apparatus
JP4652558B2 (ja) * 2000-10-18 2011-03-16 株式会社トプコン 光学特性測定装置
EP1334691A4 (en) 2000-10-18 2009-01-07 Topcon Corp DEVICE FOR MEASURING OPTICAL CHARACTERISTICS
JP5808171B2 (ja) * 2010-07-16 2015-11-10 株式会社 資生堂 目元画像シミュレーション装置、目元画像生成方法、及び目元画像生成プログラム
US8668331B2 (en) * 2011-09-27 2014-03-11 Johnson & Johnson Vision Care, Inc. Method for designing non-round soft contact lenses
CN109068973B (zh) * 2016-04-28 2021-01-29 亚历克斯·阿尔茨约科维奇 用于白内障手术的可拆卸微型显微镜安装的角膜曲率计

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490022A (en) * 1982-01-04 1984-12-25 Reynolds Alvin E Apparatus for corneal corrective techniques
GB2123977B (en) * 1982-07-03 1986-04-16 Smith & Nephew Ass Ophthalmic test apparatus
US4692003A (en) * 1983-11-07 1987-09-08 Adachi Iwao P Real-time analysis keratometer
US4685140A (en) * 1984-06-26 1987-08-04 Kera Corporation Keratograph autoscanner system
US4799785A (en) * 1986-10-17 1989-01-24 Keates Richard H Cornea contour mapping
US4779973A (en) * 1986-11-06 1988-10-25 David Miller Photokeratometric device
US4863260A (en) * 1987-11-04 1989-09-05 Computed Anatomy Inc. System for topographical modeling of anatomical surfaces
US4995716A (en) * 1989-03-09 1991-02-26 Par Technology Corporation Method and apparatus for obtaining the topography of an object
US5110200A (en) * 1989-06-30 1992-05-05 Technitex, Inc. Video keratometer

Also Published As

Publication number Publication date
JP3387500B2 (ja) 2003-03-17
WO1993024049A1 (en) 1993-12-09
EP0643566A1 (en) 1995-03-22
BR9306484A (pt) 1998-12-08
RU94046368A (ru) 1996-09-20
CA2137151A1 (en) 1993-12-09
JPH08504108A (ja) 1996-05-07

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