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To evaluate retinal non-perfusion areas and vascular density among diabetic patients with varying stages of diabetic retinopathy.

Semiautomatic analysis of retinal ischemia using widefield OCTA in patients with diabetes mellitus with or without diabetic retinopathy

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To evaluate retinal non-perfusion areas and vascular density among diabetic patients with varying stages of diabetic retinopathy.
Analyzed 39 diabetic patients' right eyes using 3 × 3 mm and 15 × 15 mm OCTA scans.
Utilized semiautomated software to quantify retinal non-perfusion areas and vascular density.
Correlated findings with ocular and systemic factors.
Significant differences in mean retinal non-perfusion areas and vascular density across diabetic retinopathy stages.
Positive correlation between diabetic retinopathy stage and retinal non-perfusion areas in both capillary plexuses.
Retinal vascular density in the deep capillary plexus was negatively correlated with disease severity.

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Assesses retinal non-perfusion and vascular density in diabetic retinopathy, indicating local ocular progressions.

Lisa et al. (2026) studied this question.

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