Process for producing cyanopsia-correctable lens

Details Process for producing cyanopsia-correctable lens Process for producing cyanopsia-correctable lens

B - Operations, Transporting

29

D

18/104, 3/112

B29D 11/00 (2006.01) A61F 2/16 (2006.01)

Patent

CA 1318755

ABSTRACT The present invention relates to a process for producing a cyanopsia-correctable intraocular lens, which process is characterized by, in polymerizing a monomer capable of forming a transparent lens material upon polymerization to obtain an intraocular lens, adding, as an essential component, at least one member of yellow, yellowish brown and orange colorants and, as an optional components, an U.V. absorber and a crosslinking monomer. The intraocular lens obtained by the present invention has a light absorption characteristic close to that of human crystalline lens and is effective for correction of cyanopsia.

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