This is how my son was tested. pick something on the wall, small like a spot. stand back about 15', hold both hands out in front of you while staring at the spot. keep your thumbs out and fingers together, slowly bring both hands together creating a small triangle (window) with thumbs and index fingers (no finger jokes guys ) while still staring at the spot, slowly bring your hands to your face while looking through the window at the spot, what ever eye you end up at is your dominant eye. hope i explained that right [&:]