Blepharitis is rated by the U.S. Department of Veterans Affairs under DC 6018 of 38 CFR § 4.79, DC 6018 (rated by analogy to chronic conjunctivitis) across 5 severity tiers (0% / 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.
Chronic inflammation of the eyelid margins, causing redness, swelling, crusting, and irritation. Types include anterior (affecting the base of the eyelashes) and posterior (affecting the meibomian glands). Often co-occurs with dry eye syndrome and rosacea.
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.