Iridology deals with internal body tissue change that manifests itself in the irises of the eyes. Iridologyis a system of analyzing and caring for the body through the use of drugless and nature-cure methods. It is the science and practices revealing inflammation, where that inflammation is located within the body and what stage it is manifesting. Iridology is a science whereby the doctor or operator can tell from the markings or signs in the iris of the eye the reflex condition of the various organs of the body. In other words, it is the science of determining acute, sub-acute, chronic, and destructive stages in the affected organs in the body through their corresponding areas in the iris. Drug deposits, inherent weaknesses and living habits of the patient are also revealed in the iris of the eye.