Thyroid eye disease is due to-
*Thyroid Opthalmopathy, also called thyroid orbitopathy, is a disease of the orbit seen in Graves diseases (thyrotoxicosis), Therefore also called Graves ophthalmopathy. Ref: Kanski's Clinical Opthalmology 8th/e p.82
Thyrotoxicosis
Hypothyroidism
Euthyroidism
Hashimoto's disease
Diseases of orbit, Lids and lacrimal apparatus