>>76525426
You want to trigger the eyes focus mechanism, intentionally, while looking at something that is not inside the clear part of your view distance.
The tricky part is that you want to not do the one that looks like a camera focus, but the subtle one that is barely a perceivable pressure change in the eye. But the camera type one is easy to do, do that, and then force yourself to relax the eye complete and try to ride out the focusing..