Two ways to deal with this works pretty good.
1. Eyeglasses with two different lenses, one for the sights/beads, the other for the target. The brain works it out ok.
2. Dot scope, the target will still be fuzzy, but the dot makes it easy to hit it.
Or do both.
Works for me very well.
Walt Kelly, alias Pogo, sez:
“Don't take life so serious, son, it ain't nohow permanent.”