[Experience with combined therapy in the treatment of glaucoma: guanethidine/epinephrine compared with timolol/epinephrine (author's transl)].

In a randomized, double-blind study involving 50 patients with primary open-angle glaucoma the effect on intraocular pressure and the side effects of various concentrations of a guanethidine/epinephrine combination were compared with those of timolol maleate/epinephrine.