Abstract
This article reviews standard visual field testing. The authors discuss the psychophysics involved in the design of the perimeter and the parameters used to test visual field sensitivity. The authors also explain normal and pathological sensitivity across the visual field, the patient and testing conditions that influence visual field results, and the interpretation of a single visual field, with an emphasis on detection of glaucomatous damage. The new thresholding program for visual fields, Swedish Interactive Thresholding Algorithm, is explained. Finally, the authors give examples of factors that should be considered when setting criteria for abnomality and review how recent studies have used various criteria to identify abnormality
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