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What is multiple sclerosis (MS)?
MS is damage to the nerves around the body, and symptoms start around the age of 25-35 years. The impact of the disease can be variable between individuals, and affects women more than men.

Diagram of the eye
Diagram of the eye

How does MS affect the eyes?
Two main eye problems associated with MS are optic neuritis or eye movement problems. Optic neuritis is inflammation of the optic nerve which connects the eye to the brain, and this can result in anything from mild blurred vision to significant sight loss. The eye movement problems in MS can be discomfort when moving eyes across or double-vision or nystagmus. 

What is the treatment for optic neuritis?
Optic neuritis normally resolves by itself within a few weeks. Steroids may be used to aid recovery. Sometimes, a little bit of damage may remain even after recovery, and this may affect the vision. 

What can be done about the eye movement problems?
Double-vision can be relieved by covering one eye up, or sometimes by having special prisms in glasses. There are things that can be done to help against nystagmus too. 

Last words
Whilst there is no cure for MS, research is always ongoing and progress is being made. 

Useful link: visit MS Society to understand more about MS. 

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