title: Medical vs surgical therapy in preventing visual field loss.
authors.forename: Lenworth N
authors.initials: LN
authors.lastname: Johnson
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D005902:Glaucoma, Open-Angle / Q000188:drug therapy* / Q000601:surgery*; D006801:Humans; D007429:Intraocular Pressure; D016032:Randomized Controlled Trials as Topic; D014130:Trabeculectomy; D014786:Vision Disorders / Q000517:prevention & control*; D014794:Visual Fields
chemical_list: D000319:Adrenergic beta-Antagonists