title: Early onset optic neuritis following measles-rubella vaccination.
abstract: OBJECTIVE
  To report two cases of optic neuritis with onset less than 24 hours following measles-rubella (MR) vaccination.
  
  
  METHODS
  Two teenage patients developed acute optic neuritis 6 to 7 hours after MR booster vaccination. The first patient demonstrated bilateral papillitis and severe visual loss but improved significantly with pulse intravenous steroid therapy with methylprednisolone 500 mg/day. The second patient had unilateral retrobulbar optic neuritis and demonstrated excellent visual recovery without intervention.
  
  
  CONCLUSIONS
  Acute optic neuritis is a rare complication of MR vaccination and may occur early after immunization.
authors.affiliation: Ophthalmic Research Center, Labbafinejad Medical Center, Shahid Beheshti University MC, Tehran, Iran.
authors.forename: Siamak
authors.initials: S
authors.lastname: Moradian
authors.forename: Hamid
authors.initials: H
authors.lastname: Ahmadieh