Miosis
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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