I don't do bifocals, because I had Lasik and now I do that sleep in the hard contacts thing. But my husband does wear them, and his guy told him they would make him a little dizzy until he got used to them . . .
I've been wearing these glasses about a week. Some days are better than others! My cleaning has suffered, because it's hard to focus on the dirt on the floor. I'm like an auto-focus camera that can't figure out what the point of the picture is!
I'm glad I printed the article out; it's fascinating.