DE60132510D1 - Vorrichtung zur Messung der Topographie von beiden Oberflächen der Kornea und ihrer Dicke - Google Patents

Vorrichtung zur Messung der Topographie von beiden Oberflächen der Kornea und ihrer Dicke

Info

Publication number
DE60132510D1
DE60132510D1 DE60132510T DE60132510T DE60132510D1 DE 60132510 D1 DE60132510 D1 DE 60132510D1 DE 60132510 T DE60132510 T DE 60132510T DE 60132510 T DE60132510 T DE 60132510T DE 60132510 D1 DE60132510 D1 DE 60132510D1
Authority
DE
Germany
Prior art keywords
image
cornea
topography
thickness
cylindrical lens
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 - Fee Related
Application number
DE60132510T
Other languages
English (en)
Other versions
DE60132510T2 (de
Inventor
Almeida Jose Manuel Martins De
Braga Franco Sandra Maria De
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.)
Universidade do Minho
Original Assignee
Universidade do Minho
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 Universidade do Minho filed Critical Universidade do Minho
Publication of DE60132510D1 publication Critical patent/DE60132510D1/de
Application granted granted Critical
Publication of DE60132510T2 publication Critical patent/DE60132510T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

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)
  • Length Measuring Devices By Optical Means (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE60132510T 2000-02-25 2001-02-22 Vorrichtung zur Messung der Topographie von beiden Oberflächen der Kornea und ihrer Dicke Expired - Fee Related DE60132510T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT10242300 2000-02-25
PT102423A PT102423A (pt) 2000-02-25 2000-02-25 Sistema para medir topografia de ambas as superficies corneanas e a espessura da cornea

Publications (2)

Publication Number Publication Date
DE60132510D1 true DE60132510D1 (de) 2008-03-13
DE60132510T2 DE60132510T2 (de) 2009-03-26

Family

ID=20085932

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60132510T Expired - Fee Related DE60132510T2 (de) 2000-02-25 2001-02-22 Vorrichtung zur Messung der Topographie von beiden Oberflächen der Kornea und ihrer Dicke

Country Status (8)

Country Link
US (1) US6913358B2 (de)
EP (1) EP1127533B1 (de)
JP (1) JP4128776B2 (de)
AT (1) ATE384472T1 (de)
AU (1) AU2001236256A1 (de)
DE (1) DE60132510T2 (de)
PT (1) PT102423A (de)
WO (1) WO2001062140A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1358839B1 (de) * 2002-04-05 2005-02-23 SIS AG Surgical Instrument Systems Vorrichtung und Verfahren zur Bestimmung von geometrischen Messwerten eines Auges
CA2687100C (en) 2007-05-11 2016-04-12 Charles E. Campbell Combined wavefront and topography systems and methods
US7988290B2 (en) * 2007-06-27 2011-08-02 AMO Wavefront Sciences LLC. Systems and methods for measuring the shape and location of an object
US7976163B2 (en) 2007-06-27 2011-07-12 Amo Wavefront Sciences Llc System and method for measuring corneal topography
EP2242418B1 (de) * 2007-12-21 2011-08-03 SIFI MEDTECH S.r.l. Doppel-scheimpflug-system für dreidimensionale augenuntersuchung
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
KR101603816B1 (ko) * 2009-03-04 2016-03-16 퍼펙트 아이피, 엘엘씨 렌즈 형성 및 변경을 위한 시스템 그리고 그에 따라 형성된 렌즈
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
JP6323743B2 (ja) * 2013-12-13 2018-05-16 大日本印刷株式会社 光走査装置、照明装置、投射装置および光学素子
EP3585246B1 (de) * 2017-02-23 2021-04-07 IVIS TECHNOLOGIES S.r.l Kohärentes laserlicht für optische hornhauttopografie und -tomografie

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019813A (en) * 1976-01-19 1977-04-26 Baylor College Of Medicine Optical apparatus for obtaining measurements of portions of the eye
US5095386A (en) * 1990-05-01 1992-03-10 Charles Lescrenier Optical system for generating lines of light using crossed cylindrical lenses
BE1007225A3 (nl) 1993-06-17 1995-04-25 Philips Electronics Nv Differentiele belastingtrap met stapsgewijs variabele impedantie.
US5867250A (en) * 1996-05-03 1999-02-02 Baron; William S. Apparatus and method for optically mapping front and back surface topographies of an object
US6575573B2 (en) * 2001-10-17 2003-06-10 Carl Zeiss Ophthalmic Systems, Inc. Method and apparatus for measuring a corneal profile of an eye

Also Published As

Publication number Publication date
WO2001062140A1 (en) 2001-08-30
EP1127533A1 (de) 2001-08-29
JP2003523245A (ja) 2003-08-05
AU2001236256A1 (en) 2001-09-03
ATE384472T1 (de) 2008-02-15
PT102423A (pt) 2001-08-31
EP1127533B1 (de) 2008-01-23
US6913358B2 (en) 2005-07-05
US20030142270A1 (en) 2003-07-31
DE60132510T2 (de) 2009-03-26
JP4128776B2 (ja) 2008-07-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee