Table 3: TBUT and OSDI at baseline and 3 months after starting treatment with BAK-preserved travoprost 0.004% in newly diagnosed POAG patients included in the study.

ParameterBaselineAfter 3 months

TBUT (sec)* <0.001
OSDI* <0.001

Mean ± SD.
IOP: intraocular pressure; TBUT: tear break-up time; OSDI: ocular surface disease index.