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

Central Visual Fields

 
Bookmark

Overview

  • Includes the inner 30 degrees of vision.
    • How to Assess

    • Ask the patient to cover one eye. Move a red examination pin from lateral to medial, asking the patient when they can see the pin as red. Ask the patient if the pin disappears at any time.
    • Interpretation

    • Physiologic scotoma (blind spot) - at 15 degrees temporally, due to the entry of the optic nerve.
    • Ring scotomaRetinal degeneration
    • Central scotomaMacular or optic nerve pathology
    • Generalised scotomaCorneal, vitreal, retinal, optic nerve or intracranial pathology
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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