Fig. 6From: Efficacy and tolerability of preservative-free 0.0015% tafluprost in glaucoma patients: a prospective crossover studyThe results of tear break up time (TBUT) in Group 1 (NPT → PT) and Group 2 (PT → NPT). Comparison between baseline TBUT and after 12 months of treatment showed a slightly decreased TBUT in Group 1 (NPT → PT). (p = 0.06)Back to article page