among 30 subjects with open-angle glaucoma , 15 subjects underwent a short-term trial with timolol maleate 0.50 % in one eye , while 15 served in a long-term trial with timolol maleate 0.50 % or 0.25 % in both eyes .
C0017612
open-angle glaucoma
C0087093
timolol maleate