
Fort Lauderdale, FL—The fixed combination of dorzolamide hydrochloride-timolol maleate (Cosopt, Merck) and the unfixed combination of latanoprost (Xalatan, Pfizer Ophthalmics) and timolol (Timop-tic, Merck) reduce IOP to a similar degree in patients with glaucoma, according to a small clinical study reported at the Association for Research in Vision and Ophthalmology (ARVO).