This site is intended for healthcare professionals

Sign in
Go to /sign-in page

You can view 5 more pages before signing in

Pupillary dilatation

Authoring team

Causes of constant pupillary dilatation include :

  • mydriatics
    • parasympathetic paralysis, e.g. atropine - acts via the oculomotor nerve
    • sympathetic stimulation, e.g. cocaine, adrenaline
  • third nerve lesion } these are associated
  • Holmes-Adie pupil } with near / light
  • Parinaud syndrome } dissociation
  • lesion of optic nerve:
    • pupil reacts sluggishly to direct light
    • there is normal reaction to consensual light and accommodation
  • deep coma
  • other lesions of the eye:
    • trauma to the iris
    • ischaemia of the iris
    • cataract
    • vitreous haemorrhage
  • congenitally dilated pupil

Related pages

Create an account to add page annotations

Create a free account

Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page

The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

Connect

Copyright 2024 Oxbridge Solutions Limited, a subsidiary of OmniaMed Communications Limited. All rights reserved. Any distribution or duplication of the information contained herein is strictly prohibited. Oxbridge Solutions receives funding from advertising but maintains editorial independence.