Evaluation of your eyes' response to direct bright light.Your healthcare provider can diagnose optic neuritis with these tests: A careful, medical evaluation of the eye can generally pinpoint optic neuritis even if you don’t have symptoms. It's possible for the optic nerve to be inflamed without affecting vision. Additionally, not everyone who has optic neuritis has problems with his or her vision. Just because you have severe symptoms doesn’t necessarily mean that optic neuritis will never go away. More extensive optic nerve inflammation leads to more noticeable symptoms. The symptoms of optic neuritis can vary widely in severity. Pain in the eye, especially when you move it.Abnormal reaction of the pupil when exposed to bright light.Vision that appears blurry - particularly if it occurs after your body temperature has risen - after you've just taken a hot shower or finished a workout, for instance.Trouble distinguishing colors, or noticing that colors aren't as vibrant as usual.Diminished vision (usually the main symptom).The following visual problems are common with optic neuritis: You are at increased risk for optic neuritis if you: About 50% of people who have MS will develop optic neuritis. It may be caused by an infection, however, it is a common condition among those who have multiple sclerosis (MS), a progressive, neurologic disorder. The cause of optic neuritis isn’t always clear. Loss of vision in optic neuritis commonly reaches its maximum effect within a few days and starts improving within 4 to 12 weeks. The underlying cause isn't completely understood, but experts believe that a viral infection may trigger the immune system to attack the optic nerve as if it were a foreign invader. Optic neuritis can affect both adults and children. This swelling typically affects one eye, but can affect both at the same time. When the nerve fibers become inflamed, the optic nerve can also start to swell. Optic neuritis can affect your vision and cause pain.
When the optic nerve is irritated and inflamed, it doesn't carry messages to the brain as well, and you can't see clearly.
The optic nerve sends messages from your eyes to your brain so that you can interpret visual images. It occurs when your optic nerve is inflamed. Optic neuritis is a condition that affects the eye and your vision.
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