Single Biggest Cancer Dictionary in the World
What is optic neuritis?
Pronunciation: /ˈɑptɪk neuritis*/
optic neuritis
Definition
Inflammation of the optic nerve (the nerve that carries messages from the back of the eye to the brain). It may be caused by infection, drugs, toxins, and diseases of the immune system, such as multiple sclerosis. Symptoms include sudden changes in vision in one eye, including loss of vision and pain with eye movement. The symptoms often disappear within a few weeks.