Ultra-widefield fundus autofluorescence in age-related macular degeneration

Abhilash Guduru, David Fleischman, Sunyoung Shin, Donglin Zeng, James B Baldwin, Odette M Houghton and Emil A Say

PLOS ONE, 2017, vol. 12, issue 6, 1-10

Abstract: Background: Establish accuracy and reproducibility of subjective grading in ultra-widefield fundus autofluorescence (FAF) imaging in patients with age-related macular degeneration (AMD), and determine if an association exists between peripheral FAF abnormalities and AMD. Methods: This was a prospective, single-blinded case-control study. Patients were consecutively recruited for the study. Patients were excluded if there was a history of prior or active ocular pathology other than AMD or image quality was insufficient for analysis as determined by two independent graders. Control patients were those without any evidence of AMD or other ophthalmic disease apart from cataract. Using the Optos 200Tx (Optos, Marlborough, MA, USA), a ResMax central macula and an ultra-widefield peripheral retina image was taken for each eye in both normal color and short wavelength FAF. Ultra-widefield photographs were modified to mask the macula. Each ResMax and ultra-widefield image was independently graded by two blinded investigators. Results: There were 28 AMD patients and 11 controls. There was a significant difference in the average age between AMD patients and control groups (80 versus 64, respectively P

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0177207

DOI: 10.1371/journal.pone.0177207

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