Fabrication of an intraocular lens

Details Fabrication of an intraocular lens Fabrication of an intraocular lens

B - Operations, Transporting

29

D

26/197

B29D 11/00 (2006.01) A61F 2/16 (2006.01) B29C 33/00 (2006.01) B29D 11/02 (2006.01)

Patent

CA 1334622

A lens, having an optical power surface, which may have multiple radii portions or aspherical portions as well as spherical portions, is molded in a coined mold. A pair of core pins, positioned within the mold cavity during the lens forming process, will produce a pair of haptic- mounting holes within the lens. As the lenses are subsequently tumbled to remove flash, indentations will form adjacent to the haptic-mounting holes. These indentations allow for tangential attachment of the haptic to the lens which, in turn, enables maximum flexibility without exceeding the width of the optic.

614433

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