Daily Bolus of LR: Optic neuritis

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February 7, 2012 by dailybolusoflr

Optic neuritis
  • Optic neuritis is present in up to 40% of patients who have MS and is due to focal demyelination of the optic nerve
  • A third to a half of patients who have optic neuritis develop MS in the future
  • Debate over whether treatment with IV steroids decreases the rate of development of MS exists as well as debate over whether oral steroid is an adequate treatment.  Most authors advocate IV methylprednisilone.
  • Typically presents as monocular vision loss with associated pain, typically with loss of central vision first
  • Findings on exam:
  • cells and flare on slit lamp exam
  • a swollen optic disc with indistinct borders
  • an afferent pupillary defect
 
Ref:
Rosen’s 7th ed.

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