Eye examination device by means of tomography with a...

Details Eye examination device by means of tomography with a... Eye examination device by means of tomography with a...

A - Human Necessities

61

B

A61B 3/00 (2006.01)

Patent

CA 2553741

The invention relates to a sighting device for an examination of the eye, comprising at least one moving target with a programmable form and trajectory, said target being displayed on a visualisation unit, such as an appropriate screen and visible from both eyes during the examination. The invention further relates to an in-vivo tomographical eye examination system, comprising: a Michelson interferometer, generating a full-field OCT image, adaptable optical means, arranged between the interferometer and an eye for examination, achieving the correction of the wavefronts coming from the eye and also the wavefronts going to the eye, detection means, arranged after the interferometer, permitting the interferometric measurement by the OCT principle without modulation nor synchronised detection and a sighting device, with at least one mobile target with a programmable form and trajectory, said target being displayed on an appropriate screen and visible from at least one of the eyes during the examination.

Dispositif de visée pour un examen de l'oeil, comprenant au moins une cible mobile présentant une forme et une trajectoire programmable, ladite cible étant affichée sur un équipement de visualisation, tel qu'un écran approprié, et visible des deux yeux, pendant la durée de l'examen. Système d'examen de l'oeil par tomographie in vivo, comprenant : un interféromètre de Michelson, réalisant un montage d'OCT plein champ ; des moyens d'optique adaptative, disposés entre l'interféromètre et un oeil à examiner, réalisant la correction des fronts d'onde en provenance de l'oeil mais aussi à destination de l'oeil ; des moyens de détection, disposé en aval de l'interféromètre, permettant sans modulation ni détection synchrone, de réaliser la mesure interférométrique selon le principe de l'OCT ; et un dispositif de visée comprenant au moins une cible mobile présentant une forme et une trajectoire programmable, ladite cible étant affichée sur un écran approprié, et visible d'au moins un deux yeux, pendant la durée de l'examen.

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