| Control-S group | t值 | p值 | |
| Right eye | Left eye | ||
SRI | 0.052 ± 0.009 | 0.054 ± 0.007 | 0.79 | 0.43 |
SAI | 0.122 ± 0.028 | 0.123 ± 0.023 | 0.22 | 0.83 |
CYL | 0.518 ± 0.349 | 0.601 ± 0.491 | 0.98 | 0.33 |