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Optic nerve lesions

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Signs of optic nerve dysfunction include:

  • falling acuity
  • impaired colour perception
  • relative afferent pupil defect
  • field defect - unilateral if only one eye nerve is affected, producing a central scotoma
  • pallor of the disc head

During the neurological examination there must be a full assessment of acuity, fields and fundi in both eyes.

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