Table III—Normal Visual Field Extent at 8 Principal Meridians
Meridian
| Normal degrees
|
---|
Temporally | 85
|
Down temporally | 85
|
Down | 65
|
Down nasally | 50
|
Nasally | 60
|
Up nasally | 55
|
Up | 45
|
Up temporally | 55
|
Total | 500 |
Example of computation of concentric contraction under the schedule with abnormal findings taken from Figure 1.
Loss
| Degrees
|
---|
Temporally | 55
|
Down temporally | 55
|
Down | 45
|
Down nasally | 30
|
Nasally | 40
|
Up nasally | 35
|
Up | 25
|
Up temporally | 35
|
Total loss | 320
|
(Authority: 38 U.S.C. 1155)
[43 FR 45352, Oct. 2, 1978, as amended at 73 FR 66549, Nov. 10, 2008]