Table 3.

The mean ± SE habitual, high-contrast visual acuity at each visit for subjects wearing the originally assigned treatment for the entire study.

Visit	log MAR visual acuity
	GP	SCL
6 month	−0.08 ± 0.01	−0.01 ± 0.01*
1 year	−0.04 ± 0.01	+0.002 ± 0.01*
18 month	−0.06 ± 0.11	−0.01 ± 0.01*
2 year	−0.08 ± 0.01	−0.01 ± 0.01*
30 month	−0.10 ± 0.02	−0.04 ± 0.01*
3 year	−0.08 ± 0.01	−0.03 ± 0.01*

^*Significant difference between GP and SCL group by mixed linear model p < 0.05