from SciTech Daily:
A new type of eyeglasses with electrically adjustable focus might someday render bifocals and reading glasses obsolete
Getting to break the 40-something age barrier, my eyes have started "the change". It really is a milestone when someone who has had 20:20 vision (or better) all their life finds they can no longer read what was previously taken for granted. Yet another reminder of being human . . .