FR2365325A1 - Dispositif pour determiner l'astigmatisme corneen de l'oeil humain - Google Patents

Dispositif pour determiner l'astigmatisme corneen de l'oeil humain

Info

Publication number
FR2365325A1
FR2365325A1 FR7727719A FR7727719A FR2365325A1 FR 2365325 A1 FR2365325 A1 FR 2365325A1 FR 7727719 A FR7727719 A FR 7727719A FR 7727719 A FR7727719 A FR 7727719A FR 2365325 A1 FR2365325 A1 FR 2365325A1
Authority
FR
France
Prior art keywords
human eye
corneal astigmatism
operating microscope
microscope
determining corneal
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
FR7727719A
Other languages
English (en)
Other versions
FR2365325B3 (fr
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.)
Carl Zeiss SMT GmbH
Original Assignee
Carl Zeiss SMT GmbH
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 Carl Zeiss SMT GmbH filed Critical Carl Zeiss SMT GmbH
Publication of FR2365325A1 publication Critical patent/FR2365325A1/fr
Application granted granted Critical
Publication of FR2365325B3 publication Critical patent/FR2365325B3/fr
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
    • A61B3/13—Ophthalmic microscopes

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)
  • Microscoopes, Condenser (AREA)

Abstract

Dispositif destiné à être utilisé en combinaison avec un microscope d'opération pour la détermination qualitative, semi-quantitative et quantitative de l'astigmatisme de l'oeil humain. Une barre en << Plexiglas >> 1 alimentée par des photoconducteurs 2 est assujettie autour de l'objectif principal 3 du microscope d'opération; dans l'un des deux oculaires du microscope, est placée une plaque à réticule avec anneaux concentriques et un croisillon, et/ou on utilise en tant que deuxième occulaire du microscope d'opération un micromètre oculaire.
FR7727719A 1976-09-25 1977-09-14 Dispositif pour determiner l'astigmatisme corneen de l'oeil humain Granted FR2365325A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762643344 DE2643344A1 (de) 1976-09-25 1976-09-25 Vorrichtung zur ermittlung von hornhautastigmatismus am menschlichen auge

Publications (2)

Publication Number Publication Date
FR2365325A1 true FR2365325A1 (fr) 1978-04-21
FR2365325B3 FR2365325B3 (fr) 1980-06-06

Family

ID=5988914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7727719A Granted FR2365325A1 (fr) 1976-09-25 1977-09-14 Dispositif pour determiner l'astigmatisme corneen de l'oeil humain

Country Status (5)

Country Link
US (1) US4172639A (fr)
JP (1) JPS5367289A (fr)
CH (1) CH616837A5 (fr)
DE (1) DE2643344A1 (fr)
FR (1) FR2365325A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425229A1 (fr) * 1978-05-10 1979-12-07 Gambs Paul Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre
EP0038525A1 (fr) * 1980-04-18 1981-10-28 Firma Carl Zeiss Dispositif pour déterminer l'état de réfraction oculaire
EP0269269A1 (fr) * 1986-11-03 1988-06-01 Riyaz Ahmad Appareil medical

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4355871A (en) * 1980-07-14 1982-10-26 Diversitronics, Inc. Keratometer
US4490022A (en) * 1982-01-04 1984-12-25 Reynolds Alvin E Apparatus for corneal corrective techniques
JPS6013105U (ja) * 1983-07-05 1985-01-29 東洋コンタクトレンズ株式会社 フオトケラトメ−タ用投影パタ−ン
US4699481A (en) * 1984-09-01 1987-10-13 Canon Kabushiki Kaisha Stereoscopic microscope
JPH01195839A (ja) * 1988-02-01 1989-08-07 Topcon Corp 眼科器械
US5302980A (en) * 1989-04-14 1994-04-12 Barrett Graham D Lens useful as a keratoscope
US5585873A (en) * 1991-10-11 1996-12-17 Alcon Laboratories, Inc. Automated hand-held keratometer
US5621565A (en) * 1995-10-04 1997-04-15 Leica Ag Protraction device for a measuring microscope
US5864383A (en) * 1997-04-24 1999-01-26 Orbtek, Inc. Single-curvature placido plate
US6079831A (en) * 1997-04-24 2000-06-27 Orbtek, Inc. Device and method for mapping the topography of an eye using elevation measurements in combination with slope measurements
US6575573B2 (en) 2001-10-17 2003-06-10 Carl Zeiss Ophthalmic Systems, Inc. Method and apparatus for measuring a corneal profile of an eye
DE10202509A1 (de) * 2002-01-23 2003-07-31 Leica Microsystems Ophthalmo-Operationsmikroskop
US7239379B2 (en) * 2004-09-13 2007-07-03 Technology Innovations, Llc Method and apparatus for determining a vertical intensity profile through a plane of focus in a confocal microscope
US7474393B2 (en) * 2004-09-13 2009-01-06 Joel C. Wojciechowski Method and apparatus for determining a vertical intensity profile along an illuminating beam
DE102009052128A1 (de) 2008-11-06 2011-04-14 Leica Instruments (Singapore) Pte. Ltd. Ophthalmomikroskop
CH699886A1 (de) * 2008-11-08 2010-05-14 Leica Instr Singapore Pte Ltd Ophthalmomikroskop.
EP2688459B1 (fr) * 2011-03-25 2019-05-22 Lensar, Inc. Système de mesure et de correction de l'astigmatisme à l'aide d'incisions cornéennes générées par un laser
US20120320462A1 (en) * 2011-06-15 2012-12-20 Asia Optical Co., Inc. Aimer
DE102011114251A1 (de) 2011-09-23 2013-03-28 Vossamed Gmbh & Co. Kg Optikanordnung und Verfahren zum Ermitteln der Ausrichtung einer künstlichen Linse

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1774832A (en) * 1926-07-08 1930-09-02 Keeler Charles Henry Combined luminous ophthalmoscope and retinoscope
US3482904A (en) * 1967-12-08 1969-12-09 David Volk Method and apparatus for determining the eccentricity of a conicoid surface
US3542458A (en) * 1968-03-05 1970-11-24 David Volk Method for measurement of the shape and curvature of a cornea
US3598478A (en) * 1968-11-26 1971-08-10 Plastic Contact Lens Co Apparatus for determining cornea contour
US3797921A (en) * 1972-06-05 1974-03-19 Temco Mfg Co Photographing apparatus for determining corneal radius
US4046463A (en) * 1974-07-17 1977-09-06 Surgical Microsystems, Inc. Indicating an asphericity of the cornea of an eye

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425229A1 (fr) * 1978-05-10 1979-12-07 Gambs Paul Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre
EP0038525A1 (fr) * 1980-04-18 1981-10-28 Firma Carl Zeiss Dispositif pour déterminer l'état de réfraction oculaire
EP0269269A1 (fr) * 1986-11-03 1988-06-01 Riyaz Ahmad Appareil medical

Also Published As

Publication number Publication date
US4172639A (en) 1979-10-30
CH616837A5 (fr) 1980-04-30
FR2365325B3 (fr) 1980-06-06
JPS5367289A (en) 1978-06-15
DE2643344A1 (de) 1978-03-30

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Legal Events

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