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Impaired Accommodation

August 18th, 2017
 
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Overview

  • How to Elicit

  • Ask the patient to focus on a distant object, such as the back wall of the room. Place a finger in front of their field of view and ask them to look at it.
  • Causes of Impaired Accommodation

  • Optic (II) nerve lesion - trauma, compression, optic neuritis
  • Thalamic / occipital / midbrain lesion - encephalitis, tumour, trauma, MS, midbrain infarct
  • Oculomotor (III) nerve lesion - trauma, compression, small vessel ischaemia, Guillain barré
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