Non-arteritic anterior ischaemic optic neuropathy: a review and update.

  title={Non-arteritic anterior ischaemic optic neuropathy: a review and update.},
  author={Nathan M Kerr and Shenton S S L Chew and Helen V. Danesh-Meyer},
  journal={Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia},
  volume={16 8},
Non-arteritic anterior ischaemic optic neuropathy (NAION) is the most common acute optic neuropathy in people aged 50 years and older. The condition is caused by infarction of the laminar or retrolaminar portion of the optic nerve head supplied by the short posterior ciliary arteries (SPCAs). The underlying aetiology and pathophysiology is poorly elucidated. Factors that have been implicated include nocturnal hypotension, impaired autoregulation of the microvascular supply, vasculopathic… CONTINUE READING


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