CA2 x PTGFR

The purpose of the study is to compare the IOP lowering efficacy of Travoprost/Brinzolamide dosed daily in the morning or evening, vs TRAVATAN dosed once daily in the evening, and vs. AZOPT dosed BID in patients with open-angle glaucoma or ocular hypertension.

The purpose of this study is to compare the safety and IOP-lowering efficacy of a fixed combination of Travoprost/Brinzolamide Ophthalmuc Suspension dosed BID and QD, to TRAVATAN dosed QD and a Vehicle dosed BID in patients with open-angle glaucoma or ocular hypertension.

The purpose of the study is to compare the efficacy and safety of Timolol 0.5% solution to Brinzolamide 1% each given twice daily when added to Travoprost 0.004% given each evening.