This textbook, tailored for Environmental Studies, delves into the art and science of diagnosing health conditions through the study of the iris and various advanced diagnostic approaches. Gain valuable insights into environmental factors affecting health and develop a profound understanding of how these diagnostic methods contribute to holistic healthcare. Equip yourself with the knowledge to analyze and interpret diagnostic data for a more informed and sustainable approach to environmental well-being. Embark on a journey to master the art of Iridiagnosis and other innovative diagnostic techniques for a healthier, more sustainable world.