![]() At year 15, 39.5% of abnormalities in the affected eyes and 26.3% in the fellow eyes consisted of localized defects. At year 1, 35.7% of the abnormalities in the affected eyes and 34.4% in the fellow eyes consisted of localized defects. During years 1 through 15, the affected and fellow eyes exhibited predominantly localized loss in the nerve fiber bundle region (partial arcuate, paracentral, and arcuate defects). ![]() Results At baseline, diffuse loss accounted for 66.2% of the abnormalities in the affected eyes but only 6.2% of the abnormalities in the fellow eyes. The association of visual field abnormality classifications with mean deviation, pattern standard deviation, visual acuity, and foveal threshold was assessed. Classification frequency was determined and reader agreement was evaluated. Methods Three readers independently evaluated 10 443 visual fields from 454 patients and classified visual field abnormalities into 21 different monocular categories representing 3 general types of visual loss: diffuse, localized, and artifactual. Objective To evaluate visual field abnormalities after an episode of optic neuritis among participants in the Optic Neuritis Treatment Trial. Shared Decision Making and Communication. ![]() Scientific Discovery and the Future of Medicine.Health Care Economics, Insurance, Payment. ![]() Clinical Implications of Basic Neuroscience.Challenges in Clinical Electrocardiography. ![]()
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