Figure 1.
Kaplan–Meier analysis of treatment persistence among fixed and unfixed glaucoma medications.
Notes: Treatment persistence was evaluated from a medication database as medication possession ratio during a 1-year period after the index prescription date. Reproduced from Schwartz GF, Burk C, Bennett T, Patel VD. Adherence and persistence with glaucoma therapy: brimonidine/timolol versus dorzolamide/timolol and various two-bottle combinations. J Clin Exp Ophthalmol. 2012;3(8):1–6.21 Copyright © 2012 Schwartz GF, et al.
Abbreviations: CAI, carbonic anhydrase inhibitor; PGA, prostaglandin analog.