Table 2.

Tear film stability and ocular surface health

Parameter	Tear Break-Up Time (TBUT, sec)	Schirmer’s Test (mm)	Conjunctival Redness Grading	Fluorescein Staining Score
Group A Baseline	9.5 ± 2.0	12.0 ± 3.5	0.5 ± 0.2	0.6 ± 0.2
1 Month	9.0 ± 1.8	11.8 ± 3.2	0.6 ± 0.2	0.6 ± 0.2
3 Months	8.5 ± 2.1	11.6 ± 3.0	0.6 ± 0.3	0.5 ± 0.3
6 Months	8.2 ± 2.0	11.5 ± 3.0	0.7 ± 0.3	0.5 ± 0.3
12 Months	8.0 ± 2.2	11.8 ± 3.0	0.7 ± 0.3	0.5 ± 0.3
Group B Baseline	9.6 ± 2.1	11.5 ± 3.0	0.4 ± 0.1	0.5 ± 0.1
1 Month	9.3 ± 2.0	11.4 ± 2.9	0.5 ± 0.2	0.5 ± 0.2
3 Months	8.9 ± 2.0	11.3 ± 2.8	0.5 ± 0.3	0.5 ± 0.2
6 Months	8.8 ± 1.9	11.2 ± 2.9	0.6 ± 0.3	0.5 ± 0.2
12 Months	8.9 ± 2.0	11.3 ± 2.8	0.6 ± 0.2	0.5 ± 0.2
p-value (A vs. B)	0.04	0.65	0.08	0.50