Neuro-Ophthalmology & Neuro-Otology
Horner syndrome is an eponym used to describe the clinical triad of ptosis, miosis, and anhidrosis caused by interruption of the ipsilateral first-, second-, or third-order sympathetic neurons to the head, eye, and neck. The hallmark of Horner syndrome is ptosis and miosis on the same side. When Horner syndrome is suspected, pharmacologic testing should be performed to confirm the diagnosis.
Jan. 29, 2021