Keratoconus is rated by the U.S. Department of Veterans Affairs under DC 6035 of 38 CFR § 4.79, DC 6035 (by analogy) across 1 severity tier (0%). 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.
Progressive thinning and cone-shaped bulging of the cornea, causing irregular astigmatism, myopia, and visual distortion. Usually develops in adolescence or young adulthood. Service connection may be established if aggravated by military service.
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.