• Discriminant analysis using various factors that describe the appearance of the disc has previously separated discs associated with glaucomatous field defects from those without field defects. A prospective study of 36 patients who were classified falsely positive and 36 patients who were true-negative has shown that the incidence of subsequent field loss in the false-positive group was substantially higher than in the negative group. The implications for prediction of patients in whom visual field defects may subsequently develop are discussed.
Susanna R, Drance SM. Use of Discriminant Analysis: I. Prediction of Visual Field Defects From Features of the Glaucoma Disc. Arch Ophthalmol. 1978;96(9):1568–1570. doi:10.1001/archopht.1978.03910060202002
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