Table 2.
Average epithelial, stromal and corneal thickness in paracentral area (2–5 mm diameter).
| mean ± s.d. (µm) | before Ortho-K lens wear |
after Ortho-K lens wear |
p-value |
|||
|---|---|---|---|---|---|---|
| horizontal meridian | vertical meridian | horizontal meridian | vertical meridian | horizontal meridian | vertical meridian | |
| epithelium | 52.6 ± 4.3 | 51.6 ± 6.0 | 50.2 ± 4.9 | 53.9 ± 6.1 | 0.031 | 0.086 |
| stroma | 564.4 ± 29.9 | 565.5 ± 33.2 | 566.8 ± 28.5 | 569.1 ± 30.9 | 0.418 | 0.272 |
| cornea | 618.6 ± 32.0 | 625.9 ± 35.4 | 617.9 ± 29.8 | 624.8 ± 27.0 | 0.848 | 0.767 |