Table 1.

Demographic characteristics.

Patients n/eyes n	30/30
Male/female	18 (60%)/12 (40%)
Age at enrollment, years (mean values ± standard deviation)	70.8 ± 8.0 (range 57–84)
Patients at 1 year follow-up	30 (100%)
Patients at 4 years follow-up	23 (76.7%)