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SDOCT cross-sectional image of a normal human macula. NFL: nerve fibre 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: the junction between the inner and outer photoreceptor segments, RPE: retinal pigment epithelium.
