| over time | 5 | temporal |
| through an anatomical abnormality | 3 | cause |
| trachoma → lead to → blindness | 17 |
| trachoma → cause → blindness | 9 |
| trachoma → lead to → irreversible blindness | 6 |
| trachoma → lead to → vision impairment | 3 |
| negative | neutral | positive |
| 0.877 | 0.116 | 0.007 |
| Raw frequency | 35 |
| Normalized frequency | 0.915 |
| Modifier score | 0.500 |
| Perplexity | 27.238 |