Comparisons of Three Methods for Myopia Control in Adolescents

Table 3

Comparison of axial length changes before and after wearing lenses between the SV + A, OK, and PD groups.

Factor	Eyes	Before wearing lenses (mm)	One year after wearing lenses (mm)	Difference
SV + A	100	24.11 ± 0.78	24.28 ± 0.76	0.17 ± 0.05
OK	100	24.17 ± 0.84	24.36 ± 0.83	0.19 ± 0.03##
PD	100	24.15 ± 0.81	24.41 ± 0.79	0.26 ± 0.02
F		0.142	0.682	176.316
		0.868	0.506	<0.001

SV + A: single vision spectacle lenses combined with 0.01% atropine eye drops; OK: orthokeratology lenses; PD: peripheral defocus spectacle lenses. vs. SV + A group. ^##vs. PD group.