• Blurred vision in one or both eyes (especially after exercising or taking a hot bath)
• Dim vision (as if the lights were turned down)
• Abnormal color vision (dull and faded colors)
• Pain behind the eye, particularly when moving the eyes
  

The symptoms described above may not necessarily mean that you have optic neuritis. However, if you experience one or more of these symptoms, contact your eye doctor for a complete exam.