| to develop to the point | 12 | other |
| generally | 6 | degree |
| very | 4 | degree |
| cataract → take → year | 13 |
| cataract → take → long time | 6 |
| cataract → take → many years | 3 |
| cataract → take → several years | 3 |
| negative | neutral | positive |
| 0.612 | 0.337 | 0.051 |
| Raw frequency | 25 |
| Normalized frequency | 0.378 |
| Modifier score | 0.780 |
| Perplexity | 74.626 |