Concentric Contraction of Visual Field is rated by the U.S. Department of Veterans Affairs under DC 6080 of 38 CFR § 4.77, DC 6080 across 6 severity tiers (100% / 70% / 50% / 30% / 20%…). Service connection requires (1) a current diagnosis, (2) an in-service event, injury, or exposure, and (3) a medical nexus opinion linking the two under 38 C.F.R. § 3.303.
Narrowing of the peripheral visual field from all sides toward the center, creating a "tunnel vision" effect. Caused by glaucoma, retinitis pigmentosa, optic nerve damage, or neurological conditions. Rated under DC 6080 based on the remaining field of vision in degrees (5°/6-15°/16-30°/31-45°/46-60° rows) with separate bilateral and unilateral columns. The 5° bilateral row triggers § 4.79 footnote 1 SMC review.
Rating criteria text quoted verbatim from 38 C.F.R. § 4.79 (Eye). Source verified 2026-05-17 by ClaimRecon Editorial Team against the Cornell Law CFR mirror; eCFR.gov is the authoritative government source.