| between eyes | 4 | location |
| after lengthy exposure | 3 | temporal |
| eye → cause → headache | 13 |
| eye → result in → headache | 8 |
| eye → lead to → headache | 7 |
| eye → be → headache | 4 |
| negative | neutral | positive |
| 0.813 | 0.167 | 0.020 |
| Raw frequency | 32 |
| Normalized frequency | 0.367 |
| Modifier score | 0.600 |
| Perplexity | 154.363 |