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Visual field index (VFI). This index expresses the visual field status as a percent of a normal age-adjusted visual field. Greater weight is given to points closer to fixation to adjust for gangion cell density and visual function. The index may also be less sensitive to cataract and media changes. Mean deviation (see section 4.3). The overall ...
15 cze 2020 · Look for a cluster of two or more defects, and look at the summary data, including mean deviation, pattern standard deviation, visual field index (VFI) and the glaucoma hemifield test. (EyeWiki does a great job of simplifying this.)
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Look at the pattern. Look at the GHT, mean deviation, VFI, and pattern standard deviation. Compare to the previous visual fields. The visual field test is among the most important tests to learn to interpret as you begin your career in ophthalmology. Learn about the top 5 most common fields!
2 lut 2016 · Purpose: To investigate the suitability of the visual field index (VFI) in different degrees of disease severity in glaucoma patients. Methods: In this cross-sectional study, we consecutively enrolled patients with primary open-angle glaucoma and glaucoma suspects (ocular hypertension).
At the May 2009 annual meeting of the Association for Research in Vision and Ophthalmology in Ft. Lauderdale, Fla., several research groups investigated the clinical utility of the new parameter—the visual field index (VFI)—to detect progression of the visual field over time.
