Pupil constriction

Pupil constriction or contraction (miosis) is a normal eye response to light, where the pupils become smaller, but can also be a symptom of various disorders. The opposite symptom is pupil dilation (larger pupils). Abnormal pupil constriction can occur with ...

... More »


Causes of pupil constriction include:

  • Normal response to light
  • Age-related pupil changes
  • Contact lens problems
  • Normal neonate. Babies tend ...
... More Causes »

Related Articles

Related Symptom Topics

Read more about these related symptoms:

... More Symptoms »

Related Disease and Condition Topics

Read about these medical conditions related to Pupil constriction:

... More Diseases »

Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.