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Tunnel Vision
 
Concentric constriction 
Examination
  - Acuity
    
      - normal (unless advanced disease)
 
     
   
  - Fields
    
      - Loss of peripheral fields, normal central field
 
     
   
  - Pupils
    
  
 
  - Movements
    
  
 
  - Fundi
    
      - retinitis pigmentosa
 
      - cupping &rarr glaucoma
 
      - choroidoretinitis
 
      - Papilloedema (also increases size of
        blind spot)
 
     
   
 
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