The Ocular Hypertension Treatment Study

The Ocular Hypertension Treatment Study (OHTS) seeks to evaluate the safety and efficacy of topical ocular hypotensive medication in preventing or delaying the onset of visual field loss and/or optic nerve damage in subjects with ocular hypertension at moderate risk for developing primary open angle glaucoma.To describe the study protocol, the questions to be answered, and the baseline characteristics of the subjects.Multicenter randomized...