Hi there i got advice from some of ye other day, and was very grateful....Regarding wearing a patch to relief twitching, blinking and slight double vision due to convergence insufficiency. i have made an apt to see my optician but its not until Monday.. I have patched my ye since about 6pm today (2hrs ago), and i have no pain, blinking or any bother from it, its great relief. I am wondering how many hours i should leave it on for tho?? to be hojnest its such a relief i dont want take it off!! lol thanks guys in advance for any advice