Qigong could help with your double vision issue.
People have healed themselves of the need for hearing aids using Qigong.
The book linked below has the stories. People in my Qigong group have healed themselves of various things...major things. They can even heal cracked eggs and slice a cucumber at a 45 degree angle then "heal it" back together in an L shape using Qigong to do a sort of "organic weld".
https://www.amazon.com/Miracles-Natural-Healing-Luke-Chan/dp/0963734148