THREE LAYER TEAR FORMULATION

摘要

An artificial tear film over the surface of an eye having a first layer in direct contact with the ocular surface, an aqueous layer over the first layer, and a layer of a phospholipid over the aqueous layer. The first layer has polyvinyl alcohol, polyvinyl acetate, and polyvinyl pyrrolidone. The phospholipid is derived from Amisol(R) Clear. The artificial tear film is effective in significantly prolonging the tear break up time in patients with dry eye syndrome.