Table 1.

Baseline Characteristics of the Participants in the Study

	Mean	SD	Range
Age (y)	61.1	11.8	30.8–87.0
Visual acuity (logMAR)	−0.007	0.083	−0.10–0.50
Mean deviation (dB)	−1.51	2.04	−8.75–4.82
Pattern standard deviation (dB)	2.18	1.87	0.89–14.59
Visual field index (%)	98.6	4.22	64.5–100.0
Rim area (mm2)	1.51	0.35	0.78–2.57
Cup volume (mm3)	0.193	0.189	0.000–1.155
Cup–disc area ratio	0.306	0.156	0.00–0.65
No. of eligible visits	7.6	2.9	5–13