With the help of iris diagnosis (iris or eye diagnosis), it is possible to obtain signs of specific disease dispositions in addition to important indications of constitutional or hereditary predisposition, long before a disease manifests itself. The iris diagnosis is one of the methods of supplementary diagnostic diagnosis and, in the context of the usual methods of investigation, enables a comprehensive naturopathic diagnosis-in the sense of the holistic display of body, mind and soul. It is able to show the right way, where you should seek further or be clinically clarified.