Conditions / Nervous system

Horner's syndrome

info · Nervous system · ICD-10: G90.2

An autonomic neuropathy that is characterized by the classic triad of unilateral ptosis, unilateral miosis with anisocoria, and ipsilateral facial anhidrosis, resulting from unilateral paralysis of the cervical sympathetics.

Signs and symptoms

  • Heterochromia iridis
  • Congenital Horner syndrome
  • Deeply set eye
  • Ipsilateral lack of facial sweating
  • Paralysis

Also known as: Bernard Horner syndrome; Horner syndrome; cervical sympathetic paralysis