Table 1. Subjects demographics.

247 POAG patients
Gender (male∶female)	172∶75
Age (years old) mean ±s.d. [range]	63.7±10.6	[40–84]
Better VA (LogMar) mean ±s.d. [range]	0.0034±0.017	[0.0–0.15]
Worse VA (LogMar) mean ±s.d. [range]	0.014±0.037	[0.0–0.15]
Better MD (dB) mean ±s.d. [range]	−2.6±3.9	[−20.1–2.2]
Worse MD (dB) mean ±s.d. [range]	−7.2±6.5	[−27.2–0.9]
IVF-MD (dB) mean ±s.d. [range]	−1.8±3.6	[−20.3–3.2]

Abbreviations.

POAG: primary open angle glaucoma, s.d.: standard deviation, VA: visual acuity, LogMar: the logarithm of the minimum angle of resolution, MD: mean deviation, dB: decibel, IVF: integrated visual field.