| Typicality: | 0.522 |
| Saliency: | 0.258 |
| for both | 3 | purpose |
| in the prk procedure | 2 | temporal |
| cornea → be reshaped with → laser | 5 |
| cornea → be reshaped with → an excimer laser | 4 |
| negative | neutral | positive |
| 0.135 | 0.780 | 0.084 |
| Raw frequency | 9 |
| Normalized frequency | 0.258 |
| Modifier score | 1.000 |
| Perplexity | 64.538 |