Aspheric toric intraocular lens

A - Human Necessities – 61 – F

Patent

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A61F 2/16 (2006.01)

Patent

CA 2722245

An aspheric toric intraocular lens (IOL) having toricity and asphericity in a single lens. The toricity and asphericity may be provided on separate surfaces, such as an anterior surface and a posterior surface, or the toricity and asphericity may be combined onto a single surface. The edge thickness may be varied sinusoidal to maintain equal edge thickness at 45 degree meridian.

La présente invention concerne une lentille intraoculaire torique asphérique (IOL) qui présente une toricité et une asphéricité dans une seule lentille. Ladite toricité et ladite asphéricité peuvent être prévues sur des surfaces distinctes, telles quune surface antérieure et une surface postérieure, ou la toricité et lasphéricité peuvent être associées sur une surface unique. On peut faire varier lépaisseur de bord de manière sinusoïdale afin de maintenir ladite épaisseur égale au méridien à 45 degrés.

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