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Abstract Objective Our study aims to evaluate and compare the macular microvascular condition of the intravitreal Bevacizumab (IVB)-treated retinopathy of prematurity (ROP) cases to the preterm cases without ROP and spontaneously regressed ROPs. Methods It is a retrospective cohort of 50 premature neonates visited from 2016 to 2017 for ROP screening in Nikookari Eye Hospital and recalled for re-evaluation in 2022. These patients were classified into three groups based on their medical documents: 1. Preterm cases without ROP (PT), 2. Spontaneously regressed ROPs (SR), and 3. IVB-treated ROPs (IVB). All the included cases underwent a thorough ophthalmic exam, cyclo-refraction, Best-corrected visual acuity (BCVA) assessment, and macular optical coherence tomography angiography (OCTA). The foveal thickness, foveal avascular zone (FAZ) area, foveal, parafoveal, and perifoveal vascular density (VD) were evaluated as the quantitative variables. Results Twenty-five male and 25 female cases with a median age of 5.0 entered the study. Twenty-six eyes were evaluated in the PT group, 50 in the SR group, and 24 in the IVB group. The SR group consisted of 25 zone-2 and 25 zone-3 ROPs. In comparison, the IVB group consisted of 9 zone-1 and 15 zone-2 ROPs (p: |