Acute optic neuritis in multiple sclerosis.


A 37-year-old woman presented to the emergency department with a two-week history of blurred central vision in her left eye. She had 20/20 vision in her right eye but could count fingers only at 1.2 m using her left eye. Confrontation visual field testing identified a central defect in her left eye. An Ishihara test indicated impaired colour vision in the… (More)
DOI: 10.1503/cmaj.150811

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