Iris recognition and tracking for optical treatment

Details Iris recognition and tracking for optical treatment Iris recognition and tracking for optical treatment

A - Human Necessities

61

F

A61F 9/01 (2006.01) A61B 3/103 (2006.01) A61B 3/15 (2006.01) A61B 5/117 (2006.01) G06K 9/00 (2006.01) A61B 3/107 (2006.01) A61B 3/18 (2006.01) A61F 9/008 (2006.01)

Patent

CA 2387742

A system and method are provided in which an iris or eye image is taken during a refractive diagnostic analysis. The image is employed for aligning data from the analysis with data from other refractive analysis instruments, as well as aligning a refractive surgical tool, such as a laser, with the eye for treatment. Further, the stored iris image is compared with the patient's iris before treatment, verifying that the correct eye is to be treated with a developed treatment pattern. A variety of refractive instruments can be used, such as corneal topography systems and wavefront aberration systems.

L'invention concerne un système et un procédé dans lesquels un iris ou une image d'un oeil est prise au cours d'une analyse de diagnostic réfractif. Cette image sert à aligner des données provenant de l'analyse avec des données d'autres instruments d'analyse de diagnostic réfractif, ainsi qu'à aligner un outil chirurgical réfractif, tel qu'un laser avec l'oeil en vue d'un traitement. De plus, on compare l'image de l'iris stockée avec celle de l'iris du patient avant traitement, en vérifiant que le bon oeil doit être traité au moyen d'un modèle de traitement développé. Plusieurs instruments réfractifs peuvent servir ;par exemple, les systèmes de topographie cornéenne et les systèmes d'aberration de front d'onde.

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