| abstract |
Phakic posterior chamber intraocular lens, comprising as the lens material a hydrogel, including a copolymer of N-vinylpyrrolidone and 2-phenyl-ethyl methacrylate, crosslinked with a crosslinking agent, wherein the polymerization product has an equilibrium water content of less than 55%, by weight, a refractive index greater than 1.41 and a total flux of sodium and chloride ions greater than 16 µeq-mm / hr / cm2. The patent contains 13 more claims. |