ArticleClinical ophthalmology (Auckland, N.Z.)2026
Predictive Factors for Macular Sensitivity and Fixation Stability After Pars Plana Vitrectomy for Rhegmatogenous Retinal Detachment Repair with Primary Pars Plana Vitrectomy: A Microperimetry Study.
Article in Clinical ophthalmology (Auckland, N.Z.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: To identify predictive factors for macular sensitivity and fixation stability following rhegmatogenous retinal detachment (RRD) repair using MP-1 microperimeter. Methods: Retrospective study of 66 eyes from 66 patients who underwent successful primary pars plana vitrectomy and had postoperative microperimetry assessment. Results: Median postoperative macular sensitivity was 12.9 decibels and median fixation stability was 81.5%. Median time between RRD repair and microperimetry testing was 10.0 months. Initial visual acuity ≥20/200 was associated with higher postoperative macular sensitivity (p=0.021) and fixation stability (p=0.004). Attached macula at presentation was associated with better macular sensitivity (p=0.041) and fixation stability (p=0.034). Gas tamponade resulted in superior outcomes compared to silicone oil for both macular sensitivity (p=0.004) and fixation stability (p<0.001). Multivariate regression analysis identified gas tamponade as the most significant predictor for better macular sensitivity (odds ratio = 5.53; 95% confidence interval [2.11-8.94]; p = 0.002). Significant negative correlations were observed between preoperative logarithm of the minimum angle of resolution (LogMAR) visual acuity and postoperative macular sensitivity (r=-0.253; p=0.043) and fixation stability (r=-0.408; p=0.001). Final LogMAR visual acuity was negatively correlated with macular sensitivity (r=-0.581; p<0.001) and fixation stability (r=-0.421; p<0.001). Conclusion: Better initial visual acuity, attached macula at presentation, and gas tamponade are significant predictors for better postoperative macular function after RRD repair.
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