Table 1.

Summary of demographic characteristics and BCVA by study group.

	Preservative-free treatment (tafluprost) (n=30)	BAK-containing treatment (latanoprost) (n=30)	Untreated (control) (n=30)	Total (n=90)
Age
Mean ± SD	67.6 ± 7.8	67.1 ± 8.7	61.2 ± 11.9	65.3 ± 10.00
Range	50–90	50–78	31–81	31–90
% Females	73.3	86.7	80	80
BCVA, right eye
Mean ± SD	0.85 ± 0.19	0.81 ± 0.25	0.90 ± 0.20	0.85 ± 0.21
BCVA, left eye
Mean ± SD	0.84 ± 0.23	0.80 ± 0.19	0.90 ± 0.15	0.85 ± 0.20

SD, standard deviation.