Abstract
Purpose: To evaluate the efficacy and optimum timing for resurgery in case of persistent macular hole (MH). Materials and Methods: Nineteen eyes of 19 patients who underwent fluid air exchange with intravitreal C3F8 for persistent MH after vitrectomy + internal limiting membrane peeling + SF6 were included in the study. Best corrected visual acuity (BCVA), optical coherence tomography (OCT) features including base diameter and configuration of MH, and time duration between two surgeries were noted. Results: Patients who underwent resurgery within 3 months of the first surgery had better anatomical closure rate compared to those who underwent resurgery after 3 months (P Conclusion: Patients undergoing repeat gas injection within 3 months of primary surgery for persistent MH have better anatomical closure rates compared to late intervention (>3 months).
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