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. 2023 Nov 3;64(14):5. doi: 10.1167/iovs.64.14.5

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Figure 1. — Representative optical coherence tomography (OCT) B-scan of a patient with geographic atrophy (GA). OCT B-scan (left) showing the presence of hyper-reflective foci (HRF) within the choroid. A magnified visualization of specific regions is reported in the right column. The structural OCT image shows multiple hyper-reflective deposits in different layers of the choroid, which mostly colocalize with regions with atrophy. These hyper-reflective deposits in the choroid were located near Bruch's membrane (green asterisk) or the edges of the blood vessels (arrowheads). The dimensions and shape of HRF showed significant variability, with a predominant smaller and round appearance near Bruch's membrane, whereas larger and oval shapes were observed in deeper layers.