Long-term Post-operative perfusion outcomes in giant retinal tears treated with and without scleral buckling

Limited data are available on the long-term perfusional status of patients who have undergone successful surgery for giant retinal tear (GRT) macula-off rhegmatogenous detachment (RRD). This study examines outcomes in eyes treated varying degrees GRT-associated RRD extensions and compared them with two control groups. Twenty-five emmetropic normal (control emmetropic), 20 healthy myopic myopic), 33 surgically GRT (surgical) were included this a comparison structural, perfusional, functional outcomes. The surgical categorized based degree extension: 19 extension <180° 14 >180°. further separated by whether they required placement complementary 360° scleral buckle. mean age was 55.18 years pre-operative evolution 2.36 weeks. average pre- post-operative best-corrected visual acuities (BCVAs) 1.90 logMAR 0.59 logMAR, respectively, which different statistical significance. Proliferative vitreoretinopathy resulted multiple surgeries nine (27.3%). Long-term optical coherence tomography (OCT) showed 11 (33.3%) abnormal foveal contour, 13 (39.4%) ellipsoid zone disruption, dissociated optic nerve fiber layer defects, 15 (45.4%) external limiting membrane line discontinuities. OCT angiography yielded perfusion indices ( P < 0.0001). Correlation analysis found that post-surgical BCVA negatively correlated superficial avascular area, parafoveal vessel density, central subfoveal thickness, while positively choriocapillaris flow area. Our structural alterations spectral-domain biomarkers Despite retina reattachment without proliferation, management remains challenging.