| too steeply | 3 | manner |
| excessively | 2 | degree |
| to focus at different distances | 2 | purpose |
| lens → be → curved | 9 |
| lens → change → its curvature | 3 |
| negative | neutral | positive |
| 0.323 | 0.621 | 0.056 |
| Raw frequency | 12 |
| Normalized frequency | 0.322 |
| Modifier score | 0.800 |
| Perplexity | 218.185 |