GIANLUCA MANNI, AND LUCA ROSSETTI• PURPOSE: To compare the ocular hypotensive effect of bimatoprost plus timolol and travoprost plus timolol fixed combinations in glaucoma patients whose disease was controlled but had not reached their target intraocular pressure (IOP) with the fixed combination of latanoprost plus timolol.• DESIGN: A 2 ؋ 3-month, multicenter, prospective, randomized, double-masked, cross-over clinical trial.•