Loss of Nasal Half of Visual Field is rated by the U.S. Department of Veterans Affairs under DC 6080 of 38 CFR § 4.77, DC 6080 across 1 severity tier (10%). 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.
Loss of the inner (nasal) half of the visual field in one or both eyes. Bilateral nasal-half loss (binasal hemianopia) is uncommon and typically caused by bilateral lateral chiasmal compression, internal carotid artery aneurysms, or chiasmal arachnoiditis. The schedule treats bilateral and unilateral nasal-half loss identically at 10%.
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.