Intraocular contact lens and method of implantation

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/16 (2006.01) G02C 7/04 (2006.01)

Patent

CA 2201936

This invention is an intraocular contact lens (10, 20, 30, 40, 50, 60, 70, 80) for implantation into the eye. The intraocular contact lens is provided with a transition between a lens portion and lens body portion to minimize edge formation that could potentially damage or wear the back of the iris. Further, the intraocular contact lens can have a variety of features including a groove (G) on the anterior surface for enhancing lubrication between the intraocular contact lens and the back of the iris, an air passageway (86) for equalizing the pressure between the anterior and posterior surface, and one or more indents (92) for manipulating the intraocular contact lens under the eye during the implantation operation while preventing contact of the natural lens with the tip of the manipulating instrument.

L'invention est une lentille de contact intraoculaire (10, 20, 30, 40, 50, 60, 70, 80) destinée à être implantée dans l'oeil. La lentille de contact intraoculaire présente une zone de transition entre une partie de lentille et une partie de corps de lentille afin de réduire au minimum la formation d'un bord pouvant détériorer ou user potentiellement la région postérieure de l'iris. De plus, la lentille de contact intraoculaire peut présenter diverses caractéristiques y compris une gorge (G) sur la surface antérieure, afin d'améliorer la lubrification entre la lentille de contact intraoculaire et la région postérieure de l'iris, une voie d'air (86) destinée à égaliser la pression entre la surface antérieure et la surface postérieure, ainsi qu'une ou plusieurs échancrures (92) permettant la manipulation de la lentille de contact intraoculaire sous l'oeil pendant l'opération d'implantation, tout en empêchant le contact du cristallin avec l'extrémité de l'instrument de manipulation.

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