摘要 |
<p>A composition comprising an ophthalmic drug and a polysiloxane of the formula I <CHEM> in which the organic moieties, R, R min , R<2>, R<3>, R<4>, R<5>, R<6>, R<7>, are selected from the group consisting of alkyl, and aralkyl, and mixtures thereof; the organic moieties may be the same or different, and n is a number selected to provide a viscosity of the polysiloxane of from 3-70 centistokes.</p> |