Can anyone Help

HI Guys …Hope everyone is as well as can expected…i need help and advice…just been given a wheelchair but they told me that because i use the furniture to get around in the house i cant have a powered one, the one i have is not much good as where i live is so hilly its imposible to wheel mysel around…my question is there anywhere i can get help with purchase of an electric wheelchair…also getting new symptoms…First have pain behind my ears with amachinary type noise in my ears… Second my hand keep jumping whien im trying to do things…and Thirdly when im trying to read i get flashes and the lines keep jumping…any thoughts guys please …Mac