Intraocular lens with resilient haptics

Details Intraocular lens with resilient haptics Intraocular lens with resilient haptics

A - Human Necessities

61

F

A61F 2/16 (2006.01) B29D 11/02 (2006.01)

Patent

CA 2107151

An improved intraocular lens is disclosed with at least one filamentary haptic composed of a continuous matrix material interspersed with a toughening amount of discrete particles of a multistage, sequentially produced elastomeric polymer. An improved process for preparing a single-piece intraocular lens is also disclosed. The process involves preparing a composite lens blank by molding pellets composed of a continuous polymeric material interspersed with particles of a multistage, sequentially produced elastomeric polymer about a central optic lens core so as to produce a single lens blank having a toughened annular region surrounding the central optic region, and then machining at least one filamentary haptic from the toughened annular region to prepare the lens.

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