Figure 2From: Relationship between visual field loss and contrast threshold elevation in glaucomaSchematic representation of the truncated quadrants in the temporal, superior, inferior and nasal positions as seen by the right eye. The central fixation light was of subtense 2 deg and the truncated quadrant extended from 10–20 deg. The sinusoidal interference fringe pattern had a spatial frequency of 1.0 c deg-1.Back to article page