what is optic neuritis like
Optic neuritis (ON) is a condition in which the nerve to the eye (the optic nerve) becomes inflamed or irritated. Inflammation refers to a process in which white blood cells and chemical messengers go to an area of the body to stimulate healing or to attack viruses or foreign material.Optic neuritis is a condition that can happen because of a disease or without any specific known cause.nflammation refers to a process in which white blood cells and chemical messengers go to an area of the body to stimulate healing or to attack viruses or foreign material. Optic neuritis is a condition that can happen because of a disease or without any specific known cause.