- Optic neuritis refers to inflammation of the optic nerve.
- Multiple sclerosis (MS) is the disease most often associated with optic neuritis.
- It is most common in women between the ages of 18 and 40.
- It is not uncommon to have an episode of optic neuritis prior to being diagnosed with MS. In fact, optic neuritis is often the initial sign of MS.
- Not all patients that develop optic neuritis will progress to MS.
- Most patients with optic neuritis experience a sudden onset of decreased vision together with pain on eye movements.
- Usually the vision recovers fully after about 2 months.
- Optic neuritis usually affects only one eye and may recur several times over the course of years.