Table 2.
Group | Before Wearing | 6 Months after | 12 Months after | 1 Month after Withdrawal | F | P |
---|---|---|---|---|---|---|
Orth-K | 23.18 ± 0.66 | 23.22 ± 0.68 | 23.40 ± 0.68 | 23.40 ± 0.69 | 16.67 | 0.000 |
SVS | 23.17± 0.65 | 23.39 ± 0.69 | 23.52 ± 0.70 | 23.52 ± 0.71 | 20.59 | 0.000 |
t | 0.711 | 2.736 | 0.629 | 0.821 | -- | -- |
p | 0.484 | 0.006 | <0.001 | <0.001 | -- | -- |