Background And Objective: To assess surgical and visual outcomes with pars plana vitrectomy (PPV) in closed-globe injuries resulting in anterior and posterior segment pathologies and evaluate the factors influencing the prognosis.
Patients And Methods: Retrospective observational study. Forty-seven eyes of 47 consecutive patients who underwent PPV because of closed-globe injury between January 1992 and August 2003 were reviewed. Surgical and visual outcomes and prognostic factors were analyzed according to the Ocular Trauma Classification System.
Results: Preoperative visual acuity was less than 4/200 in 49% of eyes, classified as grades IV to V. After surgery, this ratio was 23% (P < .05). Final visual acuity was statistically significantly better in grade I (P = .0001), grade II (P = .002), and relative afferent pupillary defect-negative (P = .0001) injuries. Maculopathy was the most common adverse outcome influencing final visual acuity (32%), followed by secondary glaucoma (13%) and proliferative vitreoretinopathy (8%).
Conclusion: PPV is a favorable treatment modality in severe closed-globe injuries. Assessment of injuries with respect to the Ocular Trauma Classification System seemed to predict visual outcomes in this series.
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