Figure 3 .
Humphrey 24/2 visual fields from two patients. Example 1 is of a patient with visual field loss away from fixation at the start of follow up (top left) who shows progression away from fixation at the end of a 4 year follow up period (top right). Example 2 is of a patient with visual field loss threatening fixation at the start of follow up (bottom left) who shows progression at threat to fixation at the end of a 3 year follow up period (bottom right).