Horner Syndrome - EyeWiki
Horner’s syndrome (also called oculosympathetic paresis, or Horner syndrome) comprises a constellation of clinical signs including the classic triad of ptosis, miosis, and anhidrosis. It results from a lesion to the sympathetic pathway that supplies the head and neck region.
Horner Syndrome - StatPearls - NCBI Bookshelf
Apr 10, 2023 · Horner syndrome is a rare condition classically presenting with partial ptosis (drooping or falling of the upper eyelid), miosis (constricted pupil), and facial anhidrosis (absence of sweating) due to a disruption in the sympathetic nerve supply.
Horner's syndrome - Wikipedia
It is important to distinguish the ptosis caused by Horner's syndrome from the ptosis caused by a lesion to the oculomotor nerve. In the former, the ptosis occurs with a constricted pupil (due to a loss of sympathetics to the eye), whereas in the latter, the ptosis occurs with a dilated pupil (due to a loss of innervation to the sphincter ...
Horner syndrome - Symptoms & causes - Mayo Clinic
May 13, 2022 · Horner syndrome is a condition that affects the face and eye on one side of the body. It is caused by the disruption of a nerve pathway from the brain to the head and neck. Decreased eye pupil size is a key sign of Horner syndrome.
Horner syndrome: clinical perspectives - PMC
Horner syndrome consists of unilateral ptosis, an ipsilateral miotic but normally reactive pupil, and in some cases, ipsilateral facial anhidrosis, all resulting from damage to the ipsilateral oculosympathetic pathway.
Horner Syndrome: What It Is, Causes, Symptoms & Treatment
Horner syndrome is a rare neurological syndrome that affects your eye and the surrounding area on one side of your face. It’s a sign of underlying nerve damage and has several possible causes ranging from carotid artery dissection to apical lung tumor.
Horner Syndrome: Pharmacologic Diagnosis - Ophthalmology Review
Feb 20, 2019 · Horner syndrome describes the constellation of findings associated with a lesion affecting the oculosympathetic pathway. Clinically, ipsilateral miosis, ptosis, and anhidrosis form the classic triad, with other features potentially being present.