Includes bibliographical references and index.

Basic terms and concepts -- Refraction at spherical surfaces -- The vergence relationship -- Thin lenses -- Optical systems with multiple surfaces -- Optical properties of thick lenses -- Spherical ametropia -- Accommodation -- Cylindrical lenses and the correction of astigmatism -- Prisms -- Lens thickness -- Depth of field -- Magnifying lenses and electronic magnification -- Telescopes -- Retinal image size -- Reflection -- Aberrations.