I believe that is a rule that many photographers sometime use (placing the dominant eye in the center of the photo) [1]. 1: http://petapixel.com/2015/03/16/9-p

I believe that is a rule that many photographers sometime use (placing the dominant eye in the center of the photo) [1]. 1: http://petapixel.com/2015/03/16/9-photo-composition-tips-as-seen-in-photographs-by-steve-mccurry/ http://petapixel.com/2015/03/16/9-photo-composition-tips-as-...