Regulations last checked for updates: May 04, 2024

Title 38 - Pensions, Bonuses, and Veterans' Relief last revised: Apr 30, 2024
§ 4.76a - Computation of average concentric contraction of visual fields.

Table III—Normal Visual Field Extent at 8 Principal Meridians

Meridian Normal degrees
Temporally85
Down temporally85
Down65
Down nasally50
Nasally60
Up nasally55
Up45
Up temporally55
Total500

Example of computation of concentric contraction under the schedule with abnormal findings taken from Figure 1.

Loss Degrees
Temporally55
Down temporally55
Down45
Down nasally30
Nasally40
Up nasally35
Up25
Up temporally35
Total loss320

Remaining field 500° minus 320° = 180°. 180° ÷ 8 = 22 1/2° average concentric contraction.

(Authority: 38 U.S.C. 1155) [43 FR 45352, Oct. 2, 1978, as amended at 73 FR 66549, Nov. 10, 2008]
authority: 38 U.S.C. 1155,unless
source: 29 FR 6718, May 22, 1964, unless otherwise noted.
cite as: 38 CFR 4.76a