Functionalized dyes and use thereof in ophthalmic lens material

Details Functionalized dyes and use thereof in ophthalmic lens material Functionalized dyes and use thereof in ophthalmic lens material

C - Chemistry, Metallurgy

09

B

C09B 62/01 (2006.01) C08F 8/30 (2006.01) C08L 83/00 (2006.01) C09B 35/037 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2582371

The invention relates to transparent polymer material containing a dye which absorbs light above 400 nm. It furthermmore relates to methods for producing the polymer material and a lens comprising the polymer material. In particular, the invention relates to an intraocular lens (IOL) suitable for implantation in mammals, which IOL has visible light transmission properties comparable to those of the human crystalline lens. Provided is a transparent polymer material containing at least one covalently attached dye, said dye having the general formula I: (see formula I)

La présente invention concerne un matériau polymère transparent contenant un colorant qui absorbe la lumière au-dessus de 400 nm. Elle concerne également des procédés pour produire le matériau polymère, ainsi qu'une lentille comprenant ledit matériau polymère. Elle concerne en particulier une lentille intra-oculaire (IOL) qui est conçue pour être implantée chez des mammifères et qui présente des propriétés de transmission de la lumière visible comparables à celles du cristallin humain. Le matériau polymère transparent selon cette invention contient au moins un colorant relié par liaison covalente qui présente la formule générale (I).

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