Composite particle and use thereof in optical filtration

Abstract

The present disclosure relates to a composite particle comprising a dye, an amphiphilic block copolymer and a free radical scavenger, and the use thereof in the preparation of ophthalmic lenses and/or thin-film coating such as sol-gel coating on ophthalmic lenses. The present disclosure also relates to methods of optical filtration using the composite particles of the present disclosure.

Dependencies are inferred from the claim text.