Thyroid Eye Disease (Graves Ophthalmopathy) is rated by the U.S. Department of Veterans Affairs under DC 6006 of 38 CFR § 4.79, DC 6006 (by analogy) 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.
Autoimmune inflammatory disorder affecting the extraocular muscles and orbital fat in patients with Graves disease or other thyroid disorders. Causes proptosis (bulging eyes), diplopia, eye pain, eyelid retraction, and in severe cases, compressive optic neuropathy with vision loss.
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.