Myopia Control with a Novel Peripheral Gradient Soft Lens and Orthokeratology: A 2-Year Clinical Trial

Table 3

Mean and SD of biometric changes (anterior chamber, lens, vitreous chamber, and AL) during 2 years in 6-month intervals. Statistically significant results are marked with an asterisk.

	6 months	12 months	18 months	24 months
Biometric changes (mm)
	Anterior chamber depth (mm)
SRRG	0.04 ± 0.12	0.13 ± 0.14	0.13 ± 0.16	0.16 ± 0.18
OK	0.03 ± 0.04	0.05 ± 0.08	0.09 ± 0.09	0.11 ± 0.11
SV	0.08 ± 0.12	0.14 ± 0.20	0.17 ± 0.15	0.20 ± 0.17
	Lens thickness (mm)
SRRG	−0.01 ± 0.05	−0.02 ± 0.06	−0.01 ± 0.04	0.00 ± 0.06
OK	0.00 ± 0.02	0.01 ± 0.04	0.01 ± 0.05	0.02 ± 0.05
SV	−0.02 ± 0.03	−0.04 ± 0.06	−0.03 ± 0.05	−0.02 ± 0.05
	Vitreous chamber depth (mm)
SRRG	0.09 ± 0.09	0.15 ± 0.16	0.20 ± 0.14	0.23 ± 0.20
OK	0.05 ± 0.06	0.11 ± 0.13	0.16 ± 0.17	0.18 ± 0.21
SV	0.09 ± 0.09	0.18 ± 0.18	0.27 ± 0.22	0.34 ± 0.23
	Axial length (mm)
SRRG	0.13 ± 0.11	0.26 ± 0.15	0.32 ± 0.19	0.38 ± 0.21
OK	0.08 ± 0.05	0.15 ± 0.10	0.24 ± 0.14	0.32 ± 0.20
SV	0.15 ± 0.09	0.28 ± 0.17	0.41 ± 0.22	0.52 ± 0.22
Multiple comparisons contrast P for axial length
SV-SRRG	0.206	0.800	0.163	0.070
SV-OK	0.02
SRRG-OK	0.214		0.144	0.346