I USE A WHEELCHAIR, MY BALANCE IS VERY WEAK, HELP.

HI, I WAS DIAGNOSED WITH MS IN MARCH 1989. LOTS HAS HAPPENED, NOW I HAVE SECONDARY MS AND MY BALANCE IS VERY WEAL, TO GET AROUND I HAVE TO USE AN ELECTRIC WHEELCHAIR. I AM ALAWYS IN DOORS. HOW CAN I WALK AGAI, WITHOUT AN AID TO GET OUT? PLEASE ADVISE. THANK YOU.