×
MedSchool: Ace Your OSCEsThe Medical Company
 
 
 
 
 
GET - On the App Store
View
Signs
 
 

Relative Afferent Pupillary Defect

 
Bookmark

Overview

The swinging eye test is used to assess for a relative afferent pupillary defect (RAPD), a sign of an asymmetric pathology affecting the pupillary reflex pathway.
  • How to Elicit

  • Shine a light into one eye, swing it into the other eye, and so on back and forth.
  • Interpretation

  • An RAPD is present if the affected eye dilates, or constricts briefly followed by dilatation.
  • Causes of Relative Afferent Pupillary Defect

  • Intraocular haemorrhage
  • Retinal detachment
  • Optic or oculomotor nerve lesion
  • Midbrain lesion
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Want more info like this?
  • Your electronic clinical medicine handbook
  • Guides to help pass your exams
  • Tools every medical student needs
  • Quick diagrams to have the answers, fast
  • Quizzes to test your knowledge
Sign Up Now
   
 
 

Snapshot: Initialising...