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. 2010 Nov 23;24(6):353–359. doi: 10.3341/kjo.2010.24.6.353

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© 2010 The Korean Ophthalmological Society

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 4 — (A) Showed the extent of the β-zone (red arrow) and optic disc margin (blue arrow) on the temporal side of a glaucomatous optic disc. (B) Peripapillary atrophy (PPA) and retinal nerve fiber layer (RNFL) bundle defects were also seen on Spectralis optical coherence tomography (OCT) scanning laser ophthalmoscope imaging. In a cross-sectional image of the optic disc obtained by Spectralis OCT, the RNFL was thinner when the scan line passed through the RNFL bundle defect area (green scan line in B), but RNFL (yellow arrow) was observed in the β-zone of PPA. Inner and outer segment complexes (pink arrow) were absent from the β-zone of the PPA area. The Bruch's membrane/retinal pigment epithelium complex layer was atrophic and posteriorly bowed in the β-zone of the PPA area (C).