2025 Volume 11 Issue 2 Pages 26-33
Introduction: This study investigated retinal sensitivity around the macula using MP-3 microperimetry before and after macular hole (MH) surgery and assessed the correlation between retinal sensitivity and structural MH parameters measured by optical coherence tomography.
Methods: This retrospective study included 24 eyes with idiopathic MH (68±6.73 years, 13 men) who underwent vitrectomy between April 2020 and November 2023. MP-3 examinations were conducted preoperatively and at 3 months (24 eyes) and 12 months (16 eyes) postoperatively. Forty-five points arranged at the fovea center and within an 8° diameter were divided into concentric circles with distances of 0.5°, 1°, 2°, 3°, and 4° from the fovea, labeled as S0, S0.5, S1, S2, S3, and S4, respectively. The MH minimum linear diameter (MD) and basal diameter (BD) were measured, and their correlation with the MP-3 results was evaluated.
Results: Sensitivity up to S3 was significantly improved from preoperatively to 3 months postoperatively (S0: 9.38±8.41 to 22.63±3.29 dB, p < 0.0001; S0.5: 11.07±6.47 to 21.25±3.86 dB, p < 0.0001; S1: 13.26±5.62 to 21.19±3.22 dB, p < 0.0001; S2: 19.66±3.98 dB to 23.42±2.66 dB, p < 0.0002; S3: 22.95±3.31 to 25.01±3.16 dB, p = 0.0355). No significant improvements were observed between 3 and 12 months.
The MH size was 286±184.84 μm for MD and 685.79±333.17 μm for BD; there was a significant correlation with S0.5-S4 preoperative retinal sensitivity.
Conclusions: In typical MHs, retinal sensitivity is impaired within a 3° range, with recovery observed at 3 months. The larger the hole, the greater the decrease in sensitivity at each point.
