An ophthalmic fluid for contact lenses comprising a glyceride

Details An ophthalmic fluid for contact lenses comprising a glyceride An ophthalmic fluid for contact lenses comprising a glyceride

A - Human Necessities

61

K

A61K 31/23 (2006.01) A61P 27/04 (2006.01) A61K 9/08 (2006.01)

Patent

CA 2380741

An ophthalmic fluid containing at least one triglyceride, diglyceride, or monoglyceride which is chemically similar or compatible with compounds found naturally in the lipid layer of the tear film of an ocular substrate. Preferably the glycerides are derived from a fatty acid containing at least one unsaturated bond in a cis-configuration in the fatty acid residue. The ophthalmic fluid is arranged in use to provide a protective film across a tear film of an ocular substrate. Furthermore, the ophthalmic fluid is also arranged in use to provide a protective film intermediate a lipid layer of the tear film of the ocular substrate and a contact lens.

La présente invention concerne un liquide ophtalmique contenant au moins un triglycéride, diglycéride, ou monoglycéride chimiquement similaire ou compatible avec les composés qui sont naturellement présents dans la couche lipidique du film lacrymal d'un substrat oculaire. De préférence, les glycérides sont dérivés d'un acide gras contenant au moins une liaison insaturée en configuration cis dans le résidu d'acide gras. Le liquide ophtalmique est conçu de façon qu'il constitue, lors de l'utilisation, un film protecteur par dessus le film lacrymal d'un substrat oculaire, et de façon qu'il constitue en outre un film protecteur intermédiaire entre la couche lipidique du film lacrymal du substrat oculaire et une lentille de contact.

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