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Signs
 
 

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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