This book explains in an entertaining and easily understandable way the successful Nakagawa method of the renowned eye doctor and bestselling author Kazuhiro Nakagawa. Based on yoga techniques, concentration exercises, memory training, and imagination, all of which focus on the brain as the physiological origin of vision, he heals conditions such as nearsightedness, farsightedness, cataracts, and strabismus. Even people who are nearly blind apply his method with astonishing success. A guide featuring extensive vision tests, many practical exercises, case studies, and an engaging introduction to the anatomical, neural, and physiological foundations of vision.