Deswelled, hydrogel intraocular lenses

Details Deswelled, hydrogel intraocular lenses Deswelled, hydrogel intraocular lenses

A - Human Necessities

61

F

3/112, 217/29

A61F 2/14 (2006.01) A61F 2/16 (2006.01) A61L 27/52 (2006.01) B65D 81/26 (2006.01)

Patent

CA 1323958

ABSTRACT OF THE DISCLOSURE A method for reducing the size of hydrogel intraocular lenses by means of deswelling in hyperosmotic solutions (e.g., saturated sodium chloride solution) and a corresponding packaging arrangement are described. The deswelled, hydrogel lenses can be inserted through a much smaller surgical incision than fully hydrated lenses, yet retain all of the inherent advantages of hydrogel intra- ocular lenses (e.g., autoclavability). The lenses are rehydrated by the aqueous humor following implantation.

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