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Spectral domain optical coherence tomography B-scan from macula to optic disc, with retinal layers labeled: 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 PhR, boundary between inner and outer segments of the photoreceptors; RPE, retinal pigment epithelium.
