Ocular Surface Disease is rated by the U.S. Department of Veterans Affairs under DC 6001 of 38 CFR § 4.79, DC 6001 (keratopathy) across 4 severity tiers (10% / 20% / 40% / 60%). 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.
Broad term encompassing conditions affecting the ocular surface, including severe dry eye, exposure keratopathy, chemical burns, Stevens-Johnson syndrome, and ocular cicatricial pemphigoid. Prevalent in veterans exposed to environmental hazards (burn pits, chemical agents, desert conditions).
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.