The clinical signs and symptoms of MS depend on the site of the loss of myelin in the central nervous system. The lesions may occur almost anywhere in the central nervous system, but they have a predilection for certain areas.
More than 60% of individuals with MS have visual problems caused by demyelinating lesions (loss of myelin) of the optic nerve, which is the nerve concerned with vision. The loss of vision usually occurs over a period of several days, with partial recovery within 1…
