optic nerve disease

Last reviewed 01/2018

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.