A method of eye examination by optical coherence tomography

Details A method of eye examination by optical coherence tomography A method of eye examination by optical coherence tomography

A - Human Necessities

61

B

A61B 3/10 (2006.01) G01N 21/00 (2006.01)

Patent

CA 2637500

A method of performing an OCT image scan is presented. Other images are taken and a template is formed to correct the OCT images, for example, for eye motion, blood vessel placement, and center offset. In some embodiments, video images are taken simµltaneously with the OCT images and utilized to correct the OCT images. In some embodiments, a template OCT image is formed prior to acquisition of the OCT images and the template OCT image is utilized as a template from which to correct all of the OCT images.

La présente invention concerne un procédé d~acquisition d~images par tomographie à cohérence optique. D~autres images sont prises et un modèle est formé afin de corriger les images OCT, par exemple, pour le déplacement des yeux, le placement des vaisseaux sanguins et le décalage du centre. Dans certains modes de réalisation, des images vidéo sont prises simultanément aux images OCT et utilisées pour les corriger. Dans d~autres modes de réalisation, une image OCT modèle est formée avant l~acquisition des images OCT et sert de modèle à partir duquel il est possible de corriger toutes les images OCT.

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