Abstract
In glaucomatous visual fields there are more fluctuations than stable elements. High-amplitude fluctuations of stimulus threshold values are characteristic of glaucoma. The correlation between sensitivity and the mean loss can be demonstrated by the ABC test. The structure of scotomas is explained. There is a stable, relatively small nucleus (a) of individual defects which stay in the same location for three years and mainly have the most severe loss (greater than or equal to 2.0 logE). However, accompanying and border fluctuations (b and c) predominate. They are detected by recording individual defects. The results of a study lasting several years are communicated, in which 1124 visual field examinations were performed in 146 patients using the Peritest computer-controlled perimeter.
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