 The problem is with a red dot, it's only visible if the sights are lined up back to either the pupil, which is the black center part of the eye, or the iris, which is the green or blue or brown part of the eye. If it's lined up with the white part of the eye or the nose, you're not going to see the dot. And then you've got to figure out how to move it in order to see it. So if we can stabilize eye dominance to one eye...