Horner's Syndrome
 • Anhidrosis: Diminished sweating of ipsilateral face and neck
 • Miosis: Loss of sympathetic innervation to dilator pupillae muscle (impaired dilation)
 • Ptosis: Loss of sympathetic innervation to the superior tarsal muscle or Müller's muscle - Ptosis is mild in comparison to oculomotor nerve palsy (levator palpebrae superior)

By Dr. Gabriela Figueiredo Pucci @gabifpucci @neudrawlogy

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