The first signs are often sudden eye pain and vision problems. Learn what else to watch for.
Your doctor's goal is to stop and prevent attacks. Learn more about the medicines and other treatments that may help.
Certain devices, lifestyle changes, and therapies can help you function better.
The central nervous system and optic nerve are damaged when healthy nerve cells are attacked by mistake. What can happen as a result?
Scientists aren't sure why some people get the condition, but they know what makes it more likely to develop.