A concise, readable introduction to classical and modern optics. Designed for persons interested in the scientific and engineering applications of optics, as well as ophthalmic professionals. Provides a lean presentation of the entire field of optics, from the geometrical aspects of lenses to the relativity of image formation. Contains frequent references to the historical development of optics. Contains a detailed discussion of the most modern developments such as optical data processing, holography, lasers, and laser applications. For individuals in the fields of physics, engineering, or optometry.