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.

Alert accept

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

Alert accept Thank you for updating your details.