Patent ID: 6015842
Filing Date: 2000-01-18
Classification: A61L,G02B

Abstract:
A method of preparing a foldable, acrylic, high refractive index ophthalmic material comprising the steps of:a) preparing a device-forming mixture comprising a benzoylphosphine oxide photoinitiator, an UV-absorbing chromophore and one or more hydrophilic device-forming monomers selected from the group consisting of: 2-hydroxyethylmethacrylate; 2-hydroxyethylacrylate; N-vinylpyrrolidone; glyceryl methacrylate; glyceryl acrylate; polyethylene oxide mono and dimethacrylates; and polyethylene oxide mono- and diacrylates; andb) exposing the mixture to a blue-light source for a period of time sufficient to cure the device forming mixture.