How far can a vulture smell? WHAT ARE THE VISUAL PROBLEMS IN MULTIPLE SCLEROSIS DUE TO? Like the rest of the symptoms of MS, eye problems are due to the progressive breakdown of myelin and nerve fibers. As a result, the transmission of visual signals from the eye to the brain (optic nerve) is disrupted and signals in the nerves that control eye movement are affected. Ultimately, there is a lack of coordination in the functioning of the central nervous system (CNS), which includes the brain, cerebellum, and spinal cord, which is responsible for regulating the normal functions of the eye.