Table 2
 Analysis of field defects by position of lesion in relation to the optic disc
Absolute
Relative
Nil
With breakout
No breakout
DD, disc diameter.
Within 1 DD
9 (75.0%)
1 (8.3%)
2 (16.7%)
0 (0%)
Outside 1 DD
9 (22.0%)
12 (29.3%)
18 (43.9%)
2 (4.9%)