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Fig. 1 | Eye and Vision

Fig. 1

From: Choroidal vascularity index in thyroid-associated ophthalmopathy: a cross-sectional study

Fig. 1

Binarization and identification of the luminal and stromal areas of the choroid. Spectral-domain optical coherence tomography (SD-OCT) acquired using enhanced-depth image (EDI) mode. a Original subfoveal scan; b The image was downgraded to 8-bit and Niblack auto local threshold was applied; c Color threshold was used to select luminal area; d Overlay of the region of interest on the original image

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Eye and Vision

ISSN: 2326-0254