| severely | 8 | degree |
| permanently | 4 | manner |
| usually | 4 | degree |
| vision → be → impaired | 35 |
| vision → be → compromised | 6 |
| vision → become → impaired | 5 |
| vision → become → compromised | 3 |
| negative | neutral | positive |
| 0.748 | 0.221 | 0.031 |
| Raw frequency | 49 |
| Normalized frequency | 0.654 |
| Modifier score | 0.800 |
| Perplexity | 264.564 |