Fig. 3From: Efficacy and tolerability of preservative-free 0.0015% tafluprost in glaucoma patients: a prospective crossover studySubjective discomfort in Group 1 (NPT → PT) and Group 2 (PT → NPT). Before exchanging product (6 m) and after 6 month (12 m), the reduction of score was significant in Group 2. (p = 0.03)Back to article page