Both eyes on the front sight. We were born Bi focal and we focus best with both eyes. The best way to see the front sight is with both eyes so why handicap yourself?
Good intentions will always be pleaded for any assumption of power. The Constitution was made to guard the people against the dangers of good intentions. There are men in all ages who mean to govern will, but they mean to govern. They promise to be good masters, but they mean to be masters.