Injectable intraocular lens

Details Injectable intraocular lens Injectable intraocular lens

G - Physics

02

B

G02B 1/04 (2006.01) A61L 27/00 (2006.01) A61L 27/18 (2006.01) C08G 77/24 (2006.01)

Patent

CA 2346186

The present invention relates to polysiloxanes suitable for the preparation of intraocular lenses by a cross-linking reaction, having a specific gravity of greater than about 1.0, a refractive index suitable for restoring the refractive power of the natural crystalline lens and a viscosity suitable for injection through a standard cannula. The present invention includes an injectable intraocular lens material based on said polysiloxanes and methods of preparing intraocular lenses by direct injection into the capsular bag of the eye.

L'invention concerne des polysiloxanes, permettant de préparer des lentilles intraoculaires par réaction de réticulation, qui présentent une densité spécifique supérieure ou égale à 1,0, un indice de réfraction permettant de restaurer la puissance de réfraction du cristallin naturel, et une viscosité permettant d'effectuer une injection par l'intermédiaire d'une canule standard. L'invention concerne un matériau de lentille intraoculaire injectable préparé à partir desdits polysiloxanes, et des procédés de préparation de lentilles intraoculaires par injection directe dans le sac capsulaire de l'oeil.

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