Controlled release of dry eye relief agent from contact lens

Abstract

Embodiments of the present disclosure generally relate to methods and processes for forming an ophthalmic product, such as contact lenses. More specifically, embodiments described herein relate to the production of contact lenses having a water-soluble phospholipid polymer disposed thereon, which may be released therefrom as an ophthalmic comfort agent during use of the contact lens. In some embodiments, a contact lens includes a bulk layer having a crosslinked polymeric material, and a poly(vinyl alcohol) (PVA) layer disposed on the bulk layer. The contact lens further includes a water-soluble phospholipid polymer disposed on the PVA layer. The water-soluble phospholipid polymer includes a plurality of phosphorylcholine units and a plurality of arylborono units.

Dependencies are inferred from the claim text.