Patent ID: 7115667

Claim:
A method of providing a protective film intermediate a lipid layer of a tear film of an ocular substrate and a contact lens, comprising topically applying to an inner surface of the contact lens a coat of an ophthalmic fluid and subsequently applying the coated inner surface of the contact lens to the ocular substrate, wherein the ophthalmic fluid consists essentially of at least one glyceride of formula (I): wherein R 1 ═R 2 ═R 3 is O—CO—R; or R 1 ═R 3 is O—CO—R when R 2 is OH; or R 1 is O—CO—R when R 2 ═R 3 ═OH; R is a fatty acid residue comprising 16–20 carbon atoms and containing at least one unsaturated bond, and R is the same or different when R 1 ═R 3 or R 1 ═R 2 ═R 3 .