| very | 22 | degree |
| to normal vision | 9 | other |
| apart from the frame | 8 | other |
| lens → be → important | 55 |
| lens → be → essential | 18 |
| lens → be → critical | 14 |
| negative | neutral | positive |
| 0.053 | 0.511 | 0.436 |
| Raw frequency | 87 |
| Normalized frequency | 0.541 |
| Modifier score | 1.000 |
| Perplexity | 222.635 |