Medical Dictionary
Main Entry:
Hor·ner's syndrome Pronunciation:
'hor-n&rz- Function:
noun : a syndrome marked by sinking in of the eyeball, contraction of thepupil, drooping of the upper eyelid, and vasodilation and anhidrosis of the face, and caused by injury to the cervical sympathetic nerve fibers on the affected side
Horner, JohannFriedrich (1831–1886), Swiss ophthalmologist. Horner published his description of Horner's syndrome in 1869. The condition had been described previously at least twice and was producedin animals as early as 1727, but Horner's description was the one that attracted attention.
