Hutchinson pupil

Last revised by Daniel J Bell on 17 Dec 2017

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.

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