FR2425229A1 - Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre - Google Patents

Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre

Info

Publication number
FR2425229A1
FR2425229A1 FR7814663A FR7814663A FR2425229A1 FR 2425229 A1 FR2425229 A1 FR 2425229A1 FR 7814663 A FR7814663 A FR 7814663A FR 7814663 A FR7814663 A FR 7814663A FR 2425229 A1 FR2425229 A1 FR 2425229A1
Authority
FR
France
Prior art keywords
cornea
image
attachment
binocular microscope
compares control
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.)
Withdrawn
Application number
FR7814663A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7814663A priority Critical patent/FR2425229A1/fr
Publication of FR2425229A1 publication Critical patent/FR2425229A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/107Objective 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)

Abstract

CE PROCEDE CONSISTE A COMPARER L'IMAGE D'UN TEST LUMINEUX CIRCULAIRE REFLECHIE PAR LA CORNEE AVEC UNE IMAGE DE COMPARAISON. LE DISPOSITIF POUR SA MISE EN OEUVRE COMPORTE, ASSOCIE A UN BIOMICROSCOPE OCULAIRE DE TYPE CONNU COMPLETE PAR UN TEST LUMINEUX CIRCULAIRE, UN ENSEMBLE GENERATEUR D'UNE IMAGE DE COMPARAISON COMPRENANT: -UNE SOURCE LUMINEUSE (9); -UN CONDENSEUR (10); UNE FENTE LIMITEE PAR DEUX COUTEAUX PARALLELES (13), ASSOCIEE A UN DIAPHRAGME CIRCULAIRE (12); -DES MOYENS DE REGLAGE ET DE MESURE DE L'ECARTEMENT DES COUTEAUX (15, 16, 17, 18); -UN OBJECTIF (20); -UN MIROIR (19) REFLECHISSANT L'IMAGE DE LA PLAGE LUMINEUSE DANS LE PLAN OBJET DE L'OCULAIRE D'OBSERVATION DU BIOMICROSCOPE.
FR7814663A 1978-05-10 1978-05-10 Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre Withdrawn FR2425229A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7814663A FR2425229A1 (fr) 1978-05-10 1978-05-10 Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7814663A FR2425229A1 (fr) 1978-05-10 1978-05-10 Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre

Publications (1)

Publication Number Publication Date
FR2425229A1 true FR2425229A1 (fr) 1979-12-07

Family

ID=9208355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7814663A Withdrawn FR2425229A1 (fr) 1978-05-10 1978-05-10 Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre

Country Status (1)

Country Link
FR (1) FR2425229A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269269A1 (fr) * 1986-11-03 1988-06-01 Riyaz Ahmad Appareil medical

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1434261A (fr) * 1965-02-15 1966-04-08 Ophtalmomètre topographique
US3264932A (en) * 1964-05-27 1966-08-09 Charles E Hendricks Method and device for presenting a visual comparison of two different curved surfaces
FR2279068A1 (fr) * 1974-07-17 1976-02-13 Surgical Microsystems Inc Procede et appareil de mesure de l'asphericite de la cornee de l'oeil
FR2365325A1 (fr) * 1976-09-25 1978-04-21 Zeiss Carl Fa Dispositif pour determiner l'astigmatisme corneen de l'oeil humain

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264932A (en) * 1964-05-27 1966-08-09 Charles E Hendricks Method and device for presenting a visual comparison of two different curved surfaces
FR1434261A (fr) * 1965-02-15 1966-04-08 Ophtalmomètre topographique
FR2279068A1 (fr) * 1974-07-17 1976-02-13 Surgical Microsystems Inc Procede et appareil de mesure de l'asphericite de la cornee de l'oeil
FR2365325A1 (fr) * 1976-09-25 1978-04-21 Zeiss Carl Fa Dispositif pour determiner l'astigmatisme corneen de l'oeil humain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269269A1 (fr) * 1986-11-03 1988-06-01 Riyaz Ahmad Appareil medical

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Legal Events

Date Code Title Description
GC Lien (pledge) constituted
ST Notification of lapse