Table 2.

Ocular hypotensive medications by visit (mean values).

	Baseline	12 months	48 months
Treatment group (SD)	1,9 (0,9)	0,4 (0,7)	0,5 (0,8)
Control group (SD)	1,8 (0,7)	1 (1)	0,9 (1)

SD: standard deviation.