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Characteristic of Multiple Sclerosis - Optic Neuritis : Optic Neuritis (ON) is characterized by loss of vision in the affected eye and pain on movement of the eye. Much less commonly, patients with ON may describe transient flashes of light and black squares (phosphenes) lasting from hours to months.
A Visual Guide to Multiple Sclerosis
MS Symptoms: Vision Problems More than half of people with MS experience a vision problem called optic neuritis. This inflammation of the optic nerve may cause blurred vision, loss of color vision, eye pain, or blindness, usually in one eye. The problem is usually temporary and tends to improve within a few weeks. In many cases, vision problems are the first sign of MS.
Optic Neuritis (ON) The most common cause of Optic Neuritis is multiple sclerosis (MS). Up to 50% of patients with MS will develop an episode of optic neuritis, and vision loss is the presenting symptom of the disease in 20-30% of cases. Optic neuritis is an inflammation of the optic nerve. It may affect the part of the nerve and disc within the eyeball (papillitis) or the portion behind the eyeball (retrobulbar optic neuritis) in which case the optic nerve may appear normal. The onset of optic