Experiencing problems with your eyesight can be frightening and are relatively common in people living with MS. MS can cause something called optic neuritis, which occurs when the optic nerve becomes inflamed. MS can also affect your eyes by causing problems with the movement of the eye.
Optic neuritis can cause blurred vision and, in some cases, complete loss of sight. Often only one eye is affected but it can affect both. Vision tends to worsen over a few days to a week, but for some it can be much quicker. If you have optic neuritis you may experience:
- Blurring or a blind spot in the centre of your vision
- Colours appearing darker or washed out
- Light flashes when you move your eyes
- Pain, especially when you move your eyes
Eye movement problems tend to mean your eyes might not move smoothly or that your eyes are out of alignment. This can lead to double vision, which can also mean problems such as nausea and vertigo, as well as coordination or other issues with balance.