Influence of Overnight Orthokeratology on Corneal Surface Shape and Optical Quality

Table 3

Mean ± SD root mean square values (μm) of higher-order aberrations for a 3.00 mm pupil diameter at baseline, month 1, month 3, and month 6 after orthokeratology.

	Baseline	Month 1	Month 3	Month 6	F
HOA RMS	0.109 ± 0.079	0.209 ± 0.215	0.213 ± 0.183	0.215 ± 0.178	12.018	<0.001
Spherical	0.012 ± 0.030	0.055 ± 0.071	0.055 ± 0.065	0.051 ± 0.034	11.566	<0.001
Coma	0.047 ± 0.147	0.104 ± 0.144	0.117 ± 0.145	0.106 ± 0.129	3.536	0.044
Trefoil	0.162 ± 0.659	0.152 ± 0.198	0.125 ± 0.115	0.122 ± 0.114	0.154	0.722