Ophthalmic devices for delivery of hydrophobic comfort agents

Details Ophthalmic devices for delivery of hydrophobic comfort agents Ophthalmic devices for delivery of hydrophobic comfort agents

G - Physics

02

B

G02B 1/04 (2006.01) A61K 9/00 (2006.01)

Patent

CA 2743180

Soft hydrogel contact lens, especially a silicone hydrogel contact lens, which has a capability of delivering a hydrophobic comfort agent into the eye of a wearer. The hydrophobic comfort agent includes without limitation a monoglyceride, a diglyceride, a triglyceride, a glycolipid, a glyceroglycolipid, a sphingolipid, a sphingo-glycolipid, a phospholipid, a fatty acid, a fatty alcohol, a hydrocarbon having a C12-C28 chain in length, a mineral oil, a silicone oil, or a mixture thereof. It can be released from the soft hydrogel contact lens into the eye of a wearer when being worn so as to strengthen and stabilize the tear film lipid layer and alleviate the dryness of the eye.

Lentille de contact hydrogel souple, en particulier lentille de contact hydrogel en silicone, permettant dadministrer un agent de confort hydrophobe à l'intérieur de l'il d'une personne la portant. L'agent de confort hydrophobe comprend sans limitation un monoglycéride, un diglycéride, un triglycéride, un glycolipide, un glycéroglycolipide, un sphingolipide, un sphingoglycolipide, un phospholipide, un acide gras, un alcool gras, un hydrocarbure ayant une chaîne C12-C28 en longueur, une huile minérale, une huile de silicone ou un mélange de ceux-ci. Il peut être libéré à partir de la lentille de contact hydrogel souple à l'intérieur de l'il d'un utilisateur lorsqu'elle est portée de façon à renforcer et à stabiliser la couche lipidique de film lacrymal et à éviter la sécheresse de l'il.

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