Patent ID: 7585889

Claim:
A method of treating increased intraocular pressure in the eye of a human or animal comprising the step of: administering a therapeutically effective amount of at least one compound of the general formula to the eye: wherein X is O, S, NH or CH 2 ; wherein R 1 and R 2 are the same and are either H, CH 3 or F; wherein R 9 is H, or C 1 -C 20 straight chain, saturated or unsaturated or branched acyl; wherein R 11 is H, or C 1 -C 20 straight chain, saturated or unsaturated or branched acyl; wherein ---- represents any combination of a single bond, or a cis or trans double bond; wherein Z is H, Cl, Br, I, CF 3 , CH 3 , or C 1 -C 10 straight chain or branched alkyl; and wherein Y is O, S, NH or CH 2 .