Intraocular lens alignment using corneal center

Details Intraocular lens alignment using corneal center Intraocular lens alignment using corneal center

A - Human Necessities

61

B

A61B 3/11 (2006.01)

Patent

CA 2752761

A method for generating a radial alignment guide for an eye includes collecting preoperative corneal topography data. The data includes a corneal vertex location and a pupil center location for an eye that is not dilated. The method then includes locating a dilated pupil center for the eye after the eye is dilated. The method further includes determining an adjusted offset between the corneal vertex and the dilated pupil center and displaying alignment data on an image of the eye based on the adjusted offset.

L'invention concerne un procédé permettant de générer un guide d'alignement radial destiné à un il, qui consiste : à recueillir des données de topographie cornéenne préopératoires, les données comprenant une localisation de vertex cornéen et une localisation de centre de pupille pour un il non dilaté; à localiser le centre de la pupille dilatée pour l'il une fois l'il dilaté; puis à déterminer un décalage réglé entre vertex cornéen et centre de pupille dilatée, et à afficher des données d'alignement sur une image de l'il en fonction du décalage réglé.

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