Ultraviolet radiation absorbing intraocular lens

Details Ultraviolet radiation absorbing intraocular lens Ultraviolet radiation absorbing intraocular lens

1985-03-18

1987-01-13

Apley, Richard J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Eye prosthesis

Intraocular lens

623 66, 523137, 526 75, 351163, 351162, 264 11, A61F 216

Patent

active

046362126

ABSTRACT:
An intraocular lens capable of absorbing ultraviolet radiation and, additionally, a method for forming the lens is provided. The intraocular lens comprises a polymer matrix that is biocompatible with body tissue and fluids and comprises polymethylmethacrylate and a chromophoric compound. The intraocular lens preferably has about the same capability for absorbing ultraviolet radiation as does the natural crystalline lens of the eye. In one embodiment, the intraocular lens is formed by co-polymerizing a polymerizable derivate of 2,4-dihydroxybenzophenone and methyl methacrylate monomer to form an ultraviolet light absorbing co-polymer additive. The co-polymer additive is mixed with methyl methacrylate monomer for forming a prepolymer solution that is then cured. The intraocular lens is formed from the solid cured co-polymer.

REFERENCES:
patent: 3162676 (1964-12-01), Goldberg et al.
patent: 3173893 (1965-03-01), Fertig et al.
patent: 4390676 (1983-06-01), Loshaek

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