Hydrophobic intraocular lens
AssigneeBenz Research and Development Corporation
InventorsPatrick H. Benz, Adam Reboul
Life of this patent
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Abstract
A hydrophobic intraocular lens (IOL) with excellent non-glistening characteristics, high Abbe number, excellent mechanical properties comprising at least one copolymer comprising: (a) a first monomeric subunit comprising a polymerized (meth)acrylate group and at least one alkoxyalkoxyalkyl side group, (b) a second monomeric subunit different from the first monomeric subunit comprising a polymerized (meth)acrylate group, at least one side group comprising (i) an aryloxy moiety with at least one halogen, and (ii) an aliphatic carbon moiety linking the aryloxy moiety with the polymerized (meth)acrylate group, wherein the aliphatic carbon moiety comprises at least one hydroxyl substituent.
Claims15
A composition comprising at least one co-monomer mixture comprising:
- (a) a first monomeric subunit comprising a polymerized (meth)acrylate group and at least one alkoxyalkoxyalkyl side group,
- (b) a second monomeric subunit different from the first monomeric subunit comprising a polymerized (meth)acrylate group, at least one side group comprising (i) an aryloxy moiety comprising at least one halogen, and (ii) an aliphatic carbon moiety linking the aryloxy moiety with the polymerized (meth)acrylate group, wherein the aliphatic carbon moiety comprises at least one hydroxyl substituent,
- (c) a third monomeric subunit different from the first and second monomeric subunits comprising a polymerized (meth)acrylate group, at least one side group comprising (i) an aryloxy moiety, and (ii) an aliphatic carbon moiety linking the aryloxy moiety with the polymerized (meth)acrylate group, wherein the aliphatic carbon moiety comprises at least one hydroxyl substituent,
- (d) optionally a fourth monomeric subunit different from the first, second, and third monomeric subunits comprising a polymerized acrylate or (meth)acrylate group, and at least one alkylene oxide side group, and
- (e) optionally a fifth monomeric subunit different from the first, second, third, and fourth monomeric subunits comprising a polymerized (meth)acrylate group and at least one alkoxyalkyl side group,
- wherein the co-monomer mixture has a First Ratio of the first monomeric subunit to the second and third monomeric subunits together from 1.2:1 to 3.5:1.
An intraocular lens comprising at least one copolymer consisting of:
- a 2-ethoxyethoxyethyl methacrylate first monomeric subunit;
- a 4-bromo-2-hydroxy-3-phenoxypropyl methacrylate second monomeric subunit;
- a 2-hydroxy-3-phenoxypropyl methacrylate third monomeric subunit;
- optionally a fourth monomeric subunit comprising an acrylate or (meth)acrylate group and at least one poly(alkyleneoxide) side group side group;
- optionally a fifth monomeric subunit comprising a polymerized (meth)acrylate group and at least one alkoxyalkyl side group;
- optionally one or more UV absorbing monomer;
- optionally one or more crosslinking agent;
- and
- optionally one or more photo and/or thermal initiator,
- wherein the co-monomer mixture has a ratio of the first monomeric subunit to the second and third monomeric subunits together from 1.2:1 to 3.5:1.
Dependencies are inferred from the claim text.