Non-arteritic anterior ischaemic optic neuropathy (NAION): differential diagnosis

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Non-arteritic anterior ischaemic optic neuropathy (NAION): differential diagnosis. There are no systemic symptoms of giant cell arteritis.

Differential diagnosis: from arteritic AION

  • There are no systemic symptoms of giant cell arteritis
  • There is no early massive visual loss
  • There is no chalky-white optic disc swelling
  • There is no associated cilio-retinal artery occlusion
  • There is no massive non-filling of the choroid on fluorescein fundus angiography
  • Inflammatory markers are normal
  • Temporal artery biopsy is normal 

References

  1. Hayreh SS. Anterior ischaemic optic neuropathy. Differentiation of arteritic from non-arteritic type and its management. Eye (Lond) 1990; 4:25-41.

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