Table 2.

Unadjusted mean changes in SER and AL in each treatment group

	HAL (n=54)	SAL (n=55)	SVL (n=52)	P value
Cycloplegic SER (D)
6 months	−0.10±0.04	−0.17±0.04	−0.34±0.04	<0.001*
12 months	−0.27±0.06	−0.48±0.05	−0.81±0.06	<0.001*
AL (mm)
6 months	0.08±0.01	0.14±0.01	0.20±0.01	<0.001*
12 months	0.13±0.02	0.25±0.02	0.36±0.02	<0.001*

Data are presented as the means±SEs.

*The differences in changes in cycloplegic refractive error and axial elongation between treatment groups were all statistically significantly different at 6 and 12 months.

AL, axial length; D, diopters; HAL, spectacle lenses with highly aspherical lenslets; SAL, spectacle lenses with slightly aspherical lenslets; SER, spherical equivalent refraction; SVL, single-vision spectacle lenses.