Changes and Diurnal Variation of Visual Quality after Orthokeratology in Myopic Children

Table 1

The orthokeratology lens parameters in this study.

Brand	E&E	Euclid	Lucid
Origin	China	USA	Korea
Material	Boston XO	Boston equalens II	Boston XO
Dk (cm^2/sec) (mL·O2/mL·mmHg) (ISO/fatt)	100 ∗ 10^–11	90 ∗ 10^–11	140 ∗ 10^–11
The overall diameter (mm)	10.6	10.6	10.6
The optic zone diameter (mm)	6	6.2	6.2
The reverse curve (mm)	0.6	0.5	0.9
The anchor curve (mm)	1.3	1.2	0.8
The peripheral curve (mm)	0.4	0.5	0.5
The central thickness (mm)	0.22	0.22	0.23