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Optic neuritis

  • Alternative Names

    Retro-orbital neuritis

    • Loss of vision in one eye, over the course of an hour or a few hours
    • Changes in the way the pupil reacts to bright light
    • Loss of color vision
    • Pain when you move the eye

    Signs and tests

    A complete medical examination can help rule out related diseases. Tests may include the following:

    • Color vision testing
    • MRI of the brain including special images of the optic nerve
    • Visual acuity testing
    • Visualization of the optic disc by indirect ophthalmoscopy