Table 1 Patient demographics and baseline ocular characteristics (n = 70)

 Gender (male: female)

9: 61

 Age (years in mean ± SD, range)

55.8 ± 14.1 (22–83)

 Diabetes mellitus

4 (5.7%)

  Artificial tears (hyaluronic acid-based)

27 (38.6%)

 Dry eye symptom score (range)

2.84 ± 0.65 (1–4)

 Tear film break-up time (sec, range)

2.72 ± 0.94 (1–5)

 Ocular staining score (range)

1.17 ± 0.61 (0–2)

 Schirmer I test (mm, range)

9.34 ± 2.60 (6–18)