Hutchinson pupil

Hutchinson pupil is a fixed and dilated pupil caused by compression of the oculomotor nerve (CN III) as a result of uncal herniation.

It should not be confused with any of the following:

History and etymology

Named after Sir Jonathan Hutchinson (1828–1913), an English surgeon, ophthalmologist and pathologist.

Share article

Article information

rID: 5629
Section: Signs
Synonyms or Alternate Spellings:
  • Hutchinson's pupil

Support Radiopaedia and see fewer ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.