1. Spectral Domain Optical Coherence Tomography Imaging of Geographic Atrophy Margins

    Objective: To test in vivo whether spectral domain optical coherence tomography (SD-OCT) provides adequate resolution for reproducible measurement of photoreceptor (PR) layer at the margins of geographic atrophy (GA), and if it delineates the relationship between PR layer and retinal pigment epithelium at the margins of GA.Design: Prospective consecutive case series.Participants: Patients with GA secondary to nonneovascular age-related macular degeneration (AMD) identified during routine follow-up at Duke Eye Center between January 3, 2006, and June 3, 2007, and who consented to participate in this study.Methods: We used SD-OCT to image eyes. Multiple B-scans from each eye were ...
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