Abadie's sign is Spasm of the Levator Palpebrae Superioris muscle with retraction of the upper lid (so that sclera is visible above cornea) seen in Graves-Basedow disease which, together with exophthalmos causes the bulging eyes appearance.
- B.G. Firkin & J.A.Whitworth (1987). Dictionary of Medical Eponyms. Parthenon Publishing. ISBN 1-85070-333-7
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