Physiological Optics is a comprehensive book written by William Douwes Zoethout that covers the science of vision and the anatomy and physiology of the eye. The book provides a detailed explanation of the visual system, including the structure and function of the retina, the visual pathways, and the brain areas involved in visual processing. The author also discusses the various optical properties of the eye, such as refraction, accommodation, and the formation of the image on the retina. The book includes a detailed discussion of the various visual disorders and diseases, including myopia, hyperopia, astigmatism, and cataracts. Additionally, the book covers the principles of visual perception, including color vision, depth perception, and visual illusions. The book is designed for students and professionals in the fields of optometry, ophthalmology, and vision science, as well as anyone interested in the science of vision and the anatomy and physiology of the eye. Overall, Physiological Optics is an essential resource for anyone seeking to understand the complex workings of the visual system.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.