Polymeric materials for use as photoablatable inlays

Details Polymeric materials for use as photoablatable inlays Polymeric materials for use as photoablatable inlays

A - Human Necessities

61

L

A61L 27/52 (2006.01) A61F 2/14 (2006.01) A61F 9/00 (2006.01) A61F 9/01 (2006.01) A61L 27/14 (2006.01) A61F 9/008 (2006.01)

Patent

CA 2487574

Optically transparent, high water content, hydrogel polymeric materials and photoablatable inlays fabricated therefrom are described herein. The preferred hydrogel polymeric materials have a refractive index of 1.30 or above in the hydrated state and a water content of approximately 60 percent or greater by weight. The preferred hydrogel polymeric materials likewise show no signs of cracking or haze following clinical ablation.

L'invention concerne des matériaux polymères hydrogels optiquement transparents, à forte teneur en eau, et des lenticules intra-cornéens photoablatifs fabriqués à partir de ces matériaux. Les matériaux polymères hydrogels préférés présentent un indice de réfraction supérieur ou égal à 1,30 à l'état d'hydrate et une teneur en eau supérieure ou égale à environ 60 % en poids. Ces matériaux polymères hydrogels préférés ne présentent également aucun signe de craquelure ou trouble à la suite d'une ablation clinique.

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