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Risk factors and comorbid conditions included in the stratification system
| Risk factor or comorbid situation | Points |
|---|---|
| Previous vitrectomy | 1 |
| Corneal scarring | 1 |
| Small pupil (<3 mm) | 1 |
| Shallow anterior chamber (depth < 2.5 mm) | 1 |
| Age (>88 years) | 1 |
| High ametropia (>6 D of myopia or hyperopia) | 1 |
| Posterior capsule plaque | 1 |
| Posterior polar cataract | 1 |
| Dense/total/white or brunescent cataract | 3 |
| Pseudoexfoliation | 3 |
| Phacodonesis | 3 |
| Miscellaneous risks assessed by surgeon | 1 |
