| irregularly | 41 | degree |
| in all directions | 13 | location |
| in an astigmatic eye | 12 | location |
| cornea → be → shaped | 94 |
| cornea → become → shaped | 33 |
| cornea → change → shape | 19 |
| cornea → turn into → shape | 8 |
| cornea → change → its shape | 6 |
| cornea → have → shape | 4 |
| cornea → change in → shape | 3 |
| negative | neutral | positive |
| 0.471 | 0.469 | 0.060 |
| Raw frequency | 167 |
| Normalized frequency | 0.943 |
| Modifier score | 0.727 |
| Perplexity | 402.616 |