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Hyperemia in the two groups at different time-points. Values (staining intensity score) are expressed as the mean ± standard deviation. *P<0.05 vs. BL. Staining was scored as follows: 0, Absent; 1, mild staining; 2, moderate staining; and 3, severe staining (maximum possible). BL, at the start of treatment during a routine check-up; EL, at the end of 3-months of the treatment; TV, travoprost; LT, latanoprost.
