@Cosmichomicide
Gather they do the same for lazer eye surgery (set one eye distance, one eye near).
Afraid I rather just change my glasses ... so much easier.
But did go to varifocals which ment can see in the distance AND the speedo on the car when looking down π .
But reading text on a phone ... cant be bothered, too much like hard work, especially if not with reading glasses ... dont stand a chance ... arms are not long enough π .