Figure 1 | Scientific Reports

Figure 1

From: Diurnal changes in choroidal optical coherence tomography angiography indices over 24 hours in healthy young adults

Figure 1

Example of the 6 × 6 mm (left) and 3 × 3 mm (right) binarized choriocapillaris (top) and deep choroidal (bottom) en-face image centred with modified early treatment diabetic retinopathy study (ETDRS) grid. Central/sub-foveal zone- inside orange circle, sub-parafoveal zone with quadrants- region between orange and green circles (in the left image) and sub-perifoveal zone with quadrants- region between green and blue circles (in the right image). The black pixels in the binarized choriocapillaris image represent the flow deficits. The black pixels in the binarized deep choroidal image represent the vasculature.

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