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. 2018 Feb 6;9(3):1020–1040. doi: 10.1364/BOE.9.001020

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© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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Fig. 4 — Pigmentation affects the appearance of “projection” artifacts of choroidal vessels. Sprague-Dawley (SD) and Long Evans (LE) OCT intensity and angiogram images (first column), along with zooms of choroid (Ch) and sclera (Sc) (second column), are shown. (A,B,E,F) Projections of choroidal vessels in a Sprague-Dawley rat are visible but not prominent in scleral regions. (C,D,G,H) Projections of choroidal vessels in a Long Evans rat are much more prominent in scleral regions. Projections are always more prominent in angiograms (B,F,D,H) than intensity images (A,C,E,G). Images are on a logarithmic scale (color bars in log units).