What causes optic neuritis?

Optic neuritis: Optic neuritis can be an isolated finding, but is commonly associated with ms. Ms is believed to have an autoimmune etiology. Isolated optic neuritis is caused by inflammation which may not be autoimmune in nature.

MS and idiopathic: Optic neuritis is inflammation of the optic nerves that presents with vision loss, pain with eye movement & "fading vision" when a person gets hot (like in the shower). It is most commonly associated with ms- multiple sclerosis - especially in women. Other causes are idiopathic (we don't know) and rarely from autoimmune diseases such as lupus or infections such as lyme's disease, TB or syphilis.

Optic neuritis: Optic neuritis is an inflammation of the optic nerve. The most common cause is multiple sclerosis, but optic neuritis can be caused by many different infectious and inflammatory diseases.