Justin Mitchell/Sun HERALDBetty Sue O'Brian practices iridology, the study of the iris.

"Naturopaths don't prescribe or diagnose," O'Brian said. Instead, she uses iridology, the study of the iris, to recommend supplements that will increase health in each client.

http://www.sunherald.com/2013/07/20/4810560/ocean-springs-physician-promotes.html