Methods of producing intraocular lenses and materials...

Details Methods of producing intraocular lenses and materials... Methods of producing intraocular lenses and materials...

A - Human Necessities

61

L

A61L 27/00 (2006.01) A61F 2/16 (2006.01) A61L 27/16 (2006.01)

Patent

CA 2320856

A method of producing an intraocular lens, comprising the steps of injecting a high-refractive index, low viscosity composition of cross-linkable units into an enclosure, initiating a polymerization reaction optionally under forming pressure to create a synthetic polymer lens. The method is especially suitable for producing an intraocular lens directly in the capsular bag of the eye from an injected aqueous solution of macromolecular particles which can undergo a cross-linking reaction to a solid lens when exposed to light.

L'invention porte sur un procédé de production de lentilles intra-oculaires consistant à injecter une composition à faible viscosité et indice de réfraction élevé d'unités réticulables dans une cavité, puis à provoquer une réaction de polymérisation, facultativement sous pression, pour y créer une lentille de polymère synthétique. Ledit procédé est particulièrement adapté à la création de lentilles intra-oculaires directement dans le sac capsulaire de l'oeil par injection d'une solution aqueuse de particules macromoléculaires objet d'une réaction de réticulation sous l'effet de la lumière.

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