highly significantP < .001
From baseline to 18 months, the mean change in SE was –0.45 ± 0.33 D in the combination group and –1.00 ± 0.39 D in the control group, with a highly significant between-group difference ( t = 7.12, P < .001).
From baseline to 18 months, the mean change in SE was –0.45 ± 0.33 D in the combination group and –1.00 ± 0.39 D in the control group, with a highly significant between-group difference ( t = 7.12, P < .001).