Presents an extensive discussion of the human visual system from the perspective of an experienced optical engineer and lens designer. Combines clear explanations and examples with relevant data to help readers understand the basic workings of the human eye and its performance limits, its function, and its performance characteristics. Presents a mathematical model of the eye, and describes telescope and microscope designs, submarine periscopes, and biocular lens designs. Level of mathematics has been limited to fundamental algebra and trigonometry. The author is a consultant specializing in the solution of optical engineering problems and the generation of specialized lens designs. Annotation c. Book News, Inc., Portland, OR (booknews.com)