Table 3.

TBUT and OSDI at baseline and 3 months after starting treatment with BAK-preserved travoprost 0.004% in newly diagnosed POAG patients (n = 40) included in the study.

Parameter	Baseline	After 3 months	P
TBUT (sec)*	11.70 ± 1.86	8.30 ± 1.29	<0.001
OSDI*	31.63 ± 18.48	44.41 ± 16.48	<0.001

*Mean ± SD.

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