1. Cross-sectional Anatomic Configurations of Peripapillary Atrophy Evaluated with Spectral Domain-Optical Coherence Tomography

    Purpose. To evaluate the cross-sectional configurations of peripapillary atrophy (PPA)- and -β in ophthalmologically normal subjects using spectral domain-optical coherence tomography (SD-OCT). Methods. One hundred twenty normal subjects had a complete ophthalmic examination including axial length measurement, standard automated perimetry, fundus imaging with photography, and SD-OCT (3D OCT-1000; Topcon Inc., Tokyo, Japan). PPA- and -β were identified in color photographs of the optic disc. Cross-sectional B-mode images of the peripapillary retina and sclera, including PPA- and -β obtained with SD-OCT, were analyzed. Results. Of 120 normal eyes, 120 (100%) had PPA- and 90 (75%) had PPA-β. In OCT images of ...
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