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. 2016 Mar 10;2:16003. doi: 10.1038/npjamd.2016.3

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Copyright © 2016 Japanese Society of Anti-Aging Medicine/Macmillan Publishers Limited

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Fundoscopic image from a healthy patient with a small cup-to-disc ratio and a healthy, pink optic disc surrounding the cup (a) compared with a fundoscopic image from a severely glaucomatous patient with an enlarged cup and significant inferior thinning of the disc rim (b). Dashed white circles roughly outline the cups; solid white circles roughly outline the discs.