Bicomposite intraocular lens and method for its preparation

Details Bicomposite intraocular lens and method for its preparation Bicomposite intraocular lens and method for its preparation

A - Human Necessities

61

L

A61L 27/16 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2317757

Disclosed is a bicomposite intraocular lens comprising an anterior surface material consisting of an ophthalmically acceptable lens-forming material and a posterior surface material, different from the anterior surface material, for reducing the risk of posterior capsule opacification, wherein the posterior surface material consists substantially of two or more aryl acrylic hydrophobic monomers of the formula (SEE FORMULA) wherein: X is H or CH3; m is 0-10; Y is a single bond, O, S, or NR wherein R is H, CH3, C n H2n+1, wherein n = 1 to 10, iso-OC3H7, C6H5, or CH2C6H5; Ar is any aromatic ring which is unsubstituted or substituted with CH3, C2H5, n-C3H7, iso-C3H7, OCH3, C6H11, Cl, Br, C6H5, or CH2C6H5, with the proviso that when m is O, Y is the single bond; a cross-linking agent, and a polymerization initiator; and a method for the production thereof. The posterior surface material reduces the risk of posterior capsule opacification.

Lentilles intraoculaires bicomposites dont la surface antérieure est composée d'un matériau différent de celui de la surface postérieure. Le matériau de la surface postérieure limite le risque d'opacification de la capsule postérieure.

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