When you go to the eye doctor after he finds your proper RX have him put up the screen grid of lines and look hard at them as he changes them until you get them really sharp and clear, they will go from heavy vertical to equal and heavy horizontal to equal. And he should have the small grid of lines as well. I do this when I get my eyes checked I just went from 20/10 to 20/15 eyes are getting worse w/age. And have your eyes checked for color blindness, a friend is losing the color GREEN I have about 6 lens colors from light yellow, yellow, light orange, orange, and a Brown plus the Randolph Ranger CMTs. and clear lenses. Color of targets make a lens change
check, full orange to orange w/black rim to the Green Targets and tree background. I switch lenses until I find the best ones to use. On bright sunny days w/no clouds I use the CMTs