US Patent 6860600 Edge coated ophthalmic lenses

The disclosure relates to the provision of a lens having front and back optical surfaces bound by a peripheral edge, wherein the peripheral edge is coated with an edge coating that strongly bonds to the edge but that only weakly bonds to the optical surface, and wherein the edge coating is durable. A method of coating and a composition are also disclosed. The composition is preferably selected from a limited group of UV curable acrylates.