Patent ID: 8262727
Filing Date: 2012-09-11
Classification: A61F

Abstract:
1. A multifocal intraocular lens system for insertion of a multifocal intraocular lens into a lens capsule of an eye, said lens system comprising: a multifocal intraocular lens comprising a solid lens body having a substantially elliptical anterior surface on the exterior of the lens body with an upper portion and a lower portion, a substantially elliptical posterior surface on the exterior of the lens body with an upper portion and a lower portion, wherein the anterior surface is convex, the upper portion of the posterior surface is concave, and the lower portion of the posterior surface is convex, with an optical axis passing through the anterior surface and the posterior surface; wherein the lower portion of the anterior surface and the lower portion of the posterior surface meet at a bottom periphery, and the upper portion of the anterior surface and the upper portion of the posterior surface meet at a top periphery; said bottom edge having a semicircular or curved shape in cross-section along the optical axis, the lens body tapering upwards to create a tapering periphery at the top periphery, wherein the lower portion of the lens body is the thickest portion of the lens body; and said upper portions of said anterior surface and said posterior surface each having at least one radius of curvature; and a substance substantially surrounding said lens body; wherein an optical axis passes through the anterior surface and the posterior surface of said lens body.