abstract |
A composition comprising an ophthalmic drug and a polysiloxane of the formula In in which the organic moieties, R, R′, R², R³, R⁴, R⁵, R⁶, R⁷, 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. |