#$%^&*AU2011202937B220120607.pdf#####C.\RPortl\bDCCOJXJU702340_1.DOC-17/62UM11 8-AZAPROSTAGLANDIN ANALOGS AS AGENTS FOR LOWERING INTRAOCULAR PRESSURE Abstract The present invention provides a method of treating ocular hypertension or glaucoma which comprises administering to an animal having ocular hypertension or glaucoma therapeutically effective amount of a compound represented by the general formula I wherein X, Y, Z, D and R3 are as defined in the specification.