Miosis | Signs - MedSchool
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Miosis

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Overview

  • Miosis refers to pupillary constriction that is out of keeping with the level of light.
  • If not bilateral, miosis will present as anisocoria.
    • Causes of Bilateral Miosis

    • Drugs - opiates, antipsychotics, acetylcholine, clonidine
    • Intracranial haemorrhage
    • Bilateral Horner’s syndrome - autonomic dysfunction, amyloidosis, diabetes
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