Research Article
A Comparison of Topical or Retrobulbar Anesthesia for 23-Gauge Posterior Vitrectomy
Table 2
Baseline patient characteristics and indications for vitrectomy by treatment assignment.
| | Anesthesia | | Topical | Retrobulbar |
| | 31 | 32 | Sex-number (%) | | | Male | 19 (54.2) | 21 (55.2) | Female | 16 (45.8) | 17 (44.8) | Age (years) | | | Mean | 59.3 | 59.5 | Range | 47–71 | 43–76 | Indications for PPV | | | Vitreous hemorrhage | 12 | 14 | Proliferative diabetic retinopathy | 8 | 6 | Rhegmatogenous retinal detachment | 7 | 8 | Dislocated crystalline or intraocular lens | 5 | 5 | Epimacular membrane | 2 | 3 | Macular hole | 1 | 2 | Duration of surgery (minutes) | | | Mean | 47.1 | 49.2 | Range | 35–73 | 38–82 |
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