Fig 1.
Density histograms showing intraocular pressure (IOP) distributions in (A, B, C) control and (D, E, F) glaucoma groups. The mean IOP was significantly higher in the OAG group (14.4 ± 2.9 mmHg, range 7–22 mmHg) compared to the control group (13.9 ± 2.7 mmHg, range 6–21 mmHg, P = 0.022). However, no significant difference was found in separate analyses of men and women. SD = standard deviation; CI = confidence interval.