This work investigates the diagnostic potential of iridology, the practice of examining the iris to determine systemic health conditions. Dorothy Graeme Hall, a prominent figure in the field of naturopathy, utilizes her clinical experience to outline the foundational principles of iris analysis. The text presents a framework for identifying physical markers within the eye that correspond to various organs and bodily systems, arguing that the iris serves as a map of the body's overall vitality.

This text serves as a foundational reference for those interested in the historical development and methodology of iridology within the context of alternative medicine. The material provides a structured, albeit specialized, overview of the practice as it was understood and taught by the author during the late twentieth century.