Tracking torsional eye orientation and position

G - Physics – 01 – B

Patent

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G01B 9/00 (2006.01) A61B 3/113 (2006.01) A61N 5/02 (2006.01) A61F 9/008 (2006.01) A61F 9/01 (2006.01)

Patent

CA 2487411

Methods and systems for tracking a position and torsional orientation of a patient's eye. In one embodiment, the present invention provides methods and software for registering a first image of an eye (56, 64) with a second image of an eye (66). In another embodiment, the present invention provides methods and software for tracking a torsional movement of the eye. In a particular usage, the present invention tracks the torsional cyclorotation and translational movement of a patient's eye so as to improve the delivery of a laser energy (12, 76) to the patient's cornea.

La présente invention concerne des techniques et des systèmes de poursuite de la position et de l'orientation en torsion de l'oeil d'un patient. Dans un mode de réalisation, cette invention concerne des techniques et un logiciel permettant d'enregistrer une première image d'un oeil (56, 64) avec une seconde image d'un oeil (66). Dans un autre mode de réalisation, cette invention concerne des techniques et un logiciel permettant de poursuivre un déplacement en torsion de l'oeil. Dans une utilisation particulière, cette invention permet de poursuivre la cyclorotation en torsion et le mouvement de translation de l'oeil d'un patient de façon à améliorer l'apport d'une énergie laser (12, 76) sur la cornée de ce patient.

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