• systemic
  • The mechanisms of anterior ischemic optic neuropathy after cardiovascular procedures remain undefined but many systemic and related-to-surgery risk factors could underlie anterior ischemic optic neuropathy. (readbyqxmd.com)
  • common
  • In the classical, but less common monophasic type, one or both optic nerves and the spinal cord are affected by a series of attacks over a short period of time (days or weeks) but, after the initial outburst, there is no recurrence. (rarediseases.org)