POAG (40 eyes of 40 subjects) Healthy subjects (35 eyes of 35 subjects) P value
Age (yrs) (mean ± SD) 63.5 ± 9.5 (range, 44 to 80)                                  62.2 ± 7.2 (range, 42 to 76) 0.453
Gender (Male/Female)  15/25 16/19 0.323
BCVA (mean ± SD) 0.77 ± 0.25 (range, 0.5 to 0.9) 1.0 ± 0.0 (range, 1.0) <0.001*
Cup/Disc Ratio 0.54 ± 0.18 (range, 0.3 to 0.9) 0.29 ± 0.08 (range, 0.16 to 0.42) <0.001*
PSD (mean ± SD) 3.9 ± 2.7 (range, 1.4 to 14.3) 1.6 ± 0.2 (range, 1.5 to 6.6) <0.001*
*Statistically significant. POAG=Primary open-angle glaucoma; BCVA=Best corrected visual acuity; MD=Mean deviation; PSD=Pattern standard deviation.
Table 1: Characteristics of patients with glaucoma and healthy subjects.