Jean Marie Charles Abadie (March 25, 1842 – 1932) was a French ophthalmologist who was a native of Saint-Gaudens. He became a hospital intern in 1868 and a medical doctor in 1870. He practiced medicine at the Hôtel-Dieu de Paris

Hôtel-Dieu de Paris

The Hôtel-Dieu de Paris is regarded as the oldest hospital in the city of Paris, France, and is the most central of the Assistance publique - hôpitaux de Paris hospitals. The hospital is linked to the Faculté de Médecine Paris-Descartes...

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Abadie was involved in developing treatments for glaucoma

Glaucoma

Glaucoma is an eye disorder in which the optic nerve suffers damage, permanently damaging vision in the affected eye and progressing to complete blindness if untreated. It is often, but not always, associated with increased pressure of the fluid in the eye...

 and trachoma

Trachoma

Trachoma is an infectious disease causing a characteristic roughening of the inner surface of the eyelids. Also called granular conjunctivitis and Egyptian ophthalmia, it is the leading cause of infectious blindness in the world...

, and discovered a diagnostic sign for exophthalmic

Exophthalmos

Exophthalmos is a bulging of the eye anteriorly out of the orbit. Exophthalmos can be either bilateral or unilateral . Measurement of the degree of exophthalmos is performed using an exophthalmometer...

 goiter which is known as Abadie's sign

Abadie's sign

Abadie's sign of exophthalmic goiter is Spasm of the Levator Palpebrae Superioris muscle with retraction of the upper lid seen in Graves-Basedow disease which, together with exophthalmos causes the bulging eyes appearance.It is named for Jean Marie Charles Abadie.-References:...

. He also introduced the practice of injecting alcohol into the Gasserian ganglion in the treatment of trigeminal neuralgia

Trigeminal neuralgia

Trigeminal neuralgia , tic douloureux is a neuropathic disorder characterized by episodes of intense pain in the face, originating from the trigeminal nerve. It has been described as among the most painful conditions known...

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