Synthetic intraocular lens swellable in swelling agent and a...

Details Synthetic intraocular lens swellable in swelling agent and a... Synthetic intraocular lens swellable in swelling agent and a...

A - Human Necessities

61

F

3/112, 167/328

A61F 2/16 (2006.01) A61L 27/00 (2006.01) C08J 7/02 (2006.01) G02B 1/04 (2006.01)

Patent

CA 1339604

Synthetic intraocular lens swellable in swelling agent and a method for preparation thereof. The synthetic intraocular lens is swellable in physiologic saline which is made from a polymer or a copolymer, at least one component of which is hydrophylic and the other one may be hydrophobic, crosslinked or noncrosslinked, whereas the content of swelling agent in it is below the equilibrium state whereby its glass-transition temperature Tg is between -5°C and 45°C. The lens is deformed above Tg into a form suitable for surgical insertion, cooled below Tg, and stored and surgically applied at the temperature below Tg, and then relaxed in eye by postwelling and heating. The lens may be incompletely swollen, instead in physiologic saline or water, in another physiologically harmless llquid, advantageously in glycerol.

553483

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