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'''Horner's syndrome''' occurs as clinical syndrome caused by damage to the sympathetic nervous system resulting in ptosis (drooping upper eyelid), miosis (constricted pupil), and now and then enophthalmos (a impression that the eye is sunk within) & anhidrosis (decreased sweating) on 1 side of the face. Horner's syndrome is normally acquired however could too exist as innate. Although virtually all drives come comparatively benign, Horner's syndrome will reflect good pathology in the neck or even chest (like the Pancoast tumor) and hence takes workup.
These are named after Dr Johann Friedrich Horner (1831-1886), the Swiss ophthalmologist who first described a syndrome within 1869. Many others experienced antecedently described instances, however "Horner's syndrome" is virtually all rife. Inside France, Claude Bernard is also eponymised by having a trouble existence known as "syndrome Bernard-Horner".
Diagnosis
3 tests come utile inside confirming a presence & nature and severity of Horner's syndrome:
Cocaine test
Paredrine test
Dilation lag test
Reference
Horner JF. Über eine Form von Ptosis. Klin Monatsbl Augenheilk 1869;7:193-8.
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