Patent ID: 6740116
Filing Date: 2004-05-25
Classification: A61F

Abstract:
An intraocular lens having a transparent central area (1) as well as an iris diaphragm (2) connected thereto on the outside radially to correct or cover an aniridia,wherein the lens and diaphragm (2) are designed as a one-piece unit and the diaphragm consists essentially of a flexible, opague, pigmented film (2â€², 2â€³) which is embedded in a lens outer area (1â€²) that is connected in one piece to the central area (1) of the lens and is completely sheathed by the transparent lens material, and wherein the film has multi-layers including an inner pigment carrier layer (2â€²) and a barrier layer (2â€³) which completely sheaths and seals the pigment carrier layerâ€”even at the edges of the layerâ€”and is resistant to diffusion of the pigments.