Conference Proceedings
Frequency doubling perimetry and the detection of eye disease in the community.
GA Cioffi, S Mansberger, P Spry, C Johnson, EM Van Buskirk
Trans Am Ophthalmol Soc | Published : 2000
Abstract
PURPOSE: Frequency Doubling Technology (FDT) perimetry is a novel perimetric test that provides rapid screening (45 to 60 seconds) and full-threshold (4 to 5 minutes) testing for detection of vision loss. The purpose of this study was to determine the specificity and sensitivity of FDT perimetry for the detection of ocular disease. METHODS: A total of 130 participants (257 eyes of 42 men and 88 women) recruited from the community completed FDT perimetry, standard achromatic automated perimetry (SAP), anterior segment biomicroscopy, tonometry, and dilated ophthalmoscopy. FDT results were considered abnormal if 1 point was abnormal (depressed below the 5% level on the screening protocol C-20-5..
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