Influence of BAK-Preserved Prostaglandin Analog Treatment on the Ocular Surface Health in Patients with Newly Diagnosed Primary Open-Angle Glaucoma

Table 4

OSDI category 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.

OSDI category	Baseline	After 3 months	𝑃
Normal*	12 (30%)	2 (5%)	<0.001
Mild*	4 (10%)	2 (5%)	0.157
Moderate*	11 (28%)	12 (30%)	0.773
Severe*	13 (32%)	24 (60%)	0.025

^∗𝑛 (percentage).
POAG: primary open-angle glaucoma; OSDI: ocular surface disease index.