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Functional outcomes before and after surgery
| Parameter | Preoperative | Postoperative |
|---|---|---|
| Mean Snellen visual acuity | 0.86 | 0.87 |
| Mean Hertel exophthalmometry | 17.6 mm | 15.9 mm |
| Diplopia | 20 (33%) | 9 (15%) |
| Visual acuity improved | 24 (40%) | |
| Visual acuity stable | 34 (57%) | |
| Visual acuity worsened | 2 (3%) |
