Table 3.
Central radius of curvature in OCT images, before and after orthokeratology lens wear.
| mean ± s.d. (mm) | before Ortho-K lens wear |
after Ortho-K lens wear |
p-value |
|||
|---|---|---|---|---|---|---|
| horizontal meridian | vertical meridian | horizontal meridian | vertical meridian | horizontal meridian | vertical meridian | |
| corneal anterior surface | 7.86 ± 0.27 | 7.60 ± 0.27 | 8.10 ± 0.21 | 7.94 ± 0.28 | <0.01a | <0.01a |
| epithelium posterior surface | 7.95 ± 0.31 | 7.58 ± 0.28 | 7.90 ± 0.29 | 7.57 ± 0.35 | 0.211 | 0.718 |
| stromal posterior surface | 6.50 ± 0.19 | 6.16 ± 0.24 | 6.51 ± 0.24 | 6.11 ± 0.24 | 0.780 | 0.139 |
aFor Paired t-test p < 0.01.