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

Table 4

Changes in CS between baseline and follow-up visits (mean difference ± SEM) for those frequencies showing significant changes between visits.

			Δ  ±  SEM	Sig.
3.00 cpd	Day 1 versus	Baseline	0.04 ± 0.01	0.006
		1 year	0.05 ± 0.01	0.044
4.24 cpd	Day 1 versus	1 month	0.07 ± 0.02	0.042
		1 year	0.08 ± 0.02	0.022
8.49 cpd	Day 1 versus	Baseline	0.09 ± 0.03	0.017
		1 month	0.13 ± 0.03	0.001
16.97 cpd	Day 1 versus	1 month	0.25 ± 0.06	0.004
24.00 cpd	Baseline versus	1 month	0.24 ± 0.07	0.041
	Day 1 versus	1 month	0.41 ± 0.08	0.000
		1 year	0.35 ± 0.09	0.005