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Images of the right eye from a healthy patient acquired using the low-cost OCT and Heidelberg Spectralis systems. RNFL, retinal nerve fiber layer; GCL, ganglion cell layer; IPL, inner plexiform layer; INL, inner nuclear layer; OPL, outer plexiform layer; ONL, outer nuclear layer; ELM, external limiting membrane; IS-OS/EZ, inner segment/outer segment junction line; COST/IZ, cones outer segment tips line/interdigitation zone; RPE, retinal pigmented epithelium. Scale bars: 500 μm.
