Corneal Aberrations, Contrast Sensitivity, and Light Distortion in Orthokeratology Patients: 1-Year Results

Table 3

Changes in HOA between baseline and follow-up visits (mean difference ± SEM) for RMS values showing statistically significant changes for 6 mm pupil size.

			Δ  ±  SEM	Sig.
Spherical-like	Baseline versus	Day 1	0.35 ± 0.05	<0.001
		1 month	0.54 ± 0.05	<0.001
		1 year	0.54 ± 0.05	<0.001
	Day 1 versus	1 month	0.19 ± 0.05	0.006
	Day 1 versus	1 year	0.19 ± 0.05	0.008
Coma-like	Baseline versus	1 month	0.29 ± 0.08	0.009
		1 year	0.30 ± 0.08	0.006
Secondary astigmatism	Baseline versus	1 month	0.08 ± 0.02	0.022
		1 year	0.09 ± 0.02	0.002