1. Optical Coherence Tomography Angiography of Familial Retinal Arteriolar Tortuosity

    Optical Coherence Tomography Angiography of Familial Retinal Arteriolar Tortuosity

    BACKGROUND AND OBJECTIVE: To analyze the location of familial retinal arterial tortuosity (fRAT) in the three-dimensional structure of retinal capillaries. PATIENTS AND METHODS: Retrospective observational study. Twelve eyes of six patients (two of whom were brothers) were imaged by optical coherence tomography angiography (OCTA). The data from their ocular and systemic examinations were recorded. RESULTS: OCTA imaging clearly showed increased tortuosity of second- and third-order retinal arteries in all cases, visible in the superficial vascular plexus (SVP) up to the arteriole termination in the capillaries. No change was visible in the deep capillary plexus (DCP). CONCLUSIONS: OCTA shows that fRAT ...

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