Meanings
- A disorder of the sympathetic nervous system, characterized by ptosis of the eyelid accompanied by miosis.
Synonyms: Bernard-Horner syndrome, Claude Bernard syndrome, Claude Bernard-Horner syndrome, Horner syndrome, oculosympathetic palsy
Synonyms & antonyms
proper nounA disorder of the sympathetic nervous system, characterized by ptosis of the eyelid accompanied by miosis.
Origin
Named after Johann Friedrich Horner, the Swiss ophthalmologist who first described the syndrome in 1869.
Full word history & related roots →Cite this entry
Horner's syndrome. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Horner's%20syndrome
“Horner's syndrome.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Horner's%20syndrome. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “Horner's syndrome,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Horner's%20syndrome.
Source: Horner's syndrome on Wiktionary, CC BY-SA 4.0.