1. OCT Angiography in Healthy Human Subjects

    OCT Angiography in Healthy Human Subjects

    BACKGROUND AND OBJECTIVE: To noninvasively evaluate the retinal microvasculature in healthy human subjects with optical coherence tomography angiography (OCTA). PATIENTS AND METHODS: Cross-sectional, observational study of five healthy subjects. OCTA was performed on 3 × 3 mm(2) sections centered on the fovea, nasal macula, and temporal macula. Retinal vasculature was assessed within three horizontal slabs consisting of the inner, middle, and outer retina. The vasculature within each retinal slab was reconstructed using phase-based and intensity contrast-based algorithms and visualized as separate en face images. RESULTS: OCTA in healthy subjects demonstrates capillary networks consistent with previous histological studies. No retinal vessels ...

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