Dry Eye Severity Level

2 Mild

3 Moderate

MMP-9 positive, %

100%

100%

Number of patients, n

33

17

OSDI test, score

18.17 ± 11.83

43.32 ± 19.97

TBUT, seconds

5.36 ± 3.18

3.42 ± 2.16

Shirmer test, mm/5 min

10.97 ± 6.46

6.60 ± 3.59

Corneal staining, score 1,2

1.46 ± 0.74

2.48 ± 0.68