| P values | |||
| Parameters | By groups | By gender | By eye |
| Pain scale (0 - 10) [2] | 0.055 | 0.500 | 0.124 |
| Patient cooperation (0 - 3) [5] | 0.597 | 0.969 | 0.244 |
| Surgical time (minutes) | 0.739 | 0.900 | 0.407 |