| after the operation | 4 | temporal |
| for clear vision | 3 | purpose |
| completely | 2 | degree |
| cornea → be → healthy | 27 |
| cornea → remain → healthy | 11 |
| negative | neutral | positive |
| 0.016 | 0.422 | 0.561 |
| Raw frequency | 38 |
| Normalized frequency | 0.596 |
| Modifier score | 0.800 |
| Perplexity | 147.453 |