Method for determining the topography of the surface of the cornea and device for implementing the method

Method for determining the topography of the surface of the cornea and device for implementing the method

The device lies in the field of medical technology and consists of a body 1 to which is attached a light source 5, a lens 3, a light detector and a system of marks for measurement projected on to the cornea. The system of marks comprises two groups 9, 9'. One of the groups consists of a large n...

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1. Verfasser: ALEXANDR VIKTOROVICH KARPOV, ANATOLY ALEXANDROVICH KIVAEV, SOLOMON ABRAMOVICH ELKIND, GARRI NIKOLAEVICH ORLOV, NIKOLAI IVANOVICH LUKIN, MIKHAIL SERGEEVICH GASHNEV, GENNADY ALEXEEVICH OSOSKOV, VALENTIN IVANOVICH PRIKHODKO ET VLADIMIR FEDOROVICH ZAVYALOV
Format: Patent
Sprache:eng ; fre
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:The device lies in the field of medical technology and consists of a body 1 to which is attached a light source 5, a lens 3, a light detector and a system of marks for measurement projected on to the cornea. The system of marks comprises two groups 9, 9'. One of the groups consists of a large number of annular marks arranged one after another in the direction of the axis of the body 1 and perpendicular to the optic axis 8 of the lens 3. The other group consists of a set of lines passing along the body 1 and crossing each annular mark. Application especially to the correction of sight using contact lenses. LA PRESENTE INVENTION CONCERNE LA TECHNIQUE MEDICALE.CE DISPOSITIF COMPORTE UN CORPS 1 SUR LEQUEL SONT FIXES UNE SOURCE DE RAYONNEMENT LUMINEUX 5, UN OBJECTIF 3, UN RECEPTEUR DE RAYONNEMENT LUMINEUX ET UN SYSTEME DE MARQUES DE MESURE QUI SONT PROJETES SUR LA CORNEE. LE SYSTEME DE MARQUES DE MESURE EST REALISE SOUS LA FORME D'UN ENSEMBLE DE DEUX GROUPES DE MARQUES 9, 9 DONT L'UN SE PRESENTE SOUS LA FORME D'UNE MULTITUDE DE MARQUES ANNULAIRES DISPOSEES L'UNE APRES L'AUTRE DANS LE SENS AXIAL LE LONG DU CORPS 1, PERPENDICULAIREMENT A L'AXE OPTIQUE 8 DE L'OBJECTIF 3, ET L'AUTRE GROUPE EST REALISE SOUS LA FORME DE LIGNES PASSANT LE LONG DU CORPS 1 ET TRAVERSANT CHAQUE MARQUE ANNULAIRE.L'INVENTION PEUT ETRE APPLIQUEE AVANTAGEUSEMENT DANS LE DOMAINE DE LA CORRECTION DE LA VUE PAR LENTILLES DE CONTACT.