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Postoperative Data
| Pre-GDD IOP (mm Hg) | Mean ± SD | 28.8 ± 10.3 |
| Range | 14–60 | |
| IOP at 5-year follow-up (mm Hg) | Mean ± SD | 13.0 ± 5.9 |
| Range | 5–28 | |
| Pre-GDD glaucoma medications (number) | Mean ± SD | 2.6 ± 0.8 |
| Range | 1–4 | |
| Glaucoma medications at 5-year follow-up (number) | Mean ± SD | 0.9 ± 1.0 |
| Range | 0–4 |
GDD indicates glaucoma drainage device; IOP, intraocular pressure.
