It is a disease of the central nervous system. Symptoms range from blurred vision, blindness, numbness and tingling, paralysis and cognitive issues. It's not a fatal disease but it is devastating.  -   Lisa Brown     Quotes
It is a disease of the central nervous system. Symptoms range from blurred vision, blindness, numbness and tingling, paralysis and cognitive issues. It's not a fatal disease but it is devastating. Lisa Brown
 Blindness