| severely | 3 | degree |
| cornea → cause → blindness | 8 |
| cornea → lead to → blindness | 7 |
| cornea → be damaged → a risk of blindness | 3 |
| cornea → be → a risk of blindness | 3 |
| negative | neutral | positive |
| 0.646 | 0.308 | 0.046 |
| Raw frequency | 21 |
| Normalized frequency | 0.456 |
| Modifier score | 0.600 |
| Perplexity | 271.012 |