Table 4. Changes in spherical equivalent after lens cessation for 3wk in different groups.
Follow-ups | L-ICF group (n=22) | L-CCF group (n=22) | t | P | M-ICF group (n=28) | M-CCF group (n=25) | t | P |
1y | -0.36±0.28 | -0.43±0.33 | 0.744 | 0.461 | -0.22±0.20 | -0.42±0.29 | 2.794 | 0.008 |
2y | -0.55±0.36 | -0.63±0.45 | 0.662 | 0.512 | -0.35±0.28 | -0.57±0.40 | 2.355 | 0.023 |
L-ICF: Low myopia subjects fitted with increased compression factor (1.75 D) ortho-k; L-CCF: Low myopia subjects fitted with conventional compression factor (0.75 D) ortho-k; M-ICF: Moderate myopia subjects fitted with increased compression factor (1.75 D) ortho-k; M-CCF: Moderate myopia subjects fitted with conventional compression factor (0.75 D) ortho-k.
mean±SD, D