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A schematic diagram of the human choroid and the corresponding OCT signal. (A) Segmentation of the retina and choroid as shown by SS-OCT B-scan (Plex Elite 9000, Carl Zeiss Meditec, Inc., Oberkochen, Germany). (B) A partially enlarged image of the OCT B-scan signal corresponding with a schematic diagram (C). OCT, optical coherence tomography; SS-OCT, swept-source OCT; RPE, retinal pigment epithelium.
