Spectacle Lenses, Theory and Practice

Spectacle Lenses

Theory and Practice

By Colin Fowler, BSc, PhD, FSMC, FCOptom, Senior Lecturer, Optometry and Vision Sciences, Aston University, Birmingham, UK; and Keziah Latham Petre, PhD, BSc, MCOptom, Lecturer, Optometry and Vision Sciences, Aston University, Birmingham, UK


Introduction; Basic optical principles; Spherical lens forms; Astigmatic lens forms; Prisms and prismatic effects; Spectacle lens materials and lens manufacture; Measurement of lens power; Lens aberrations, best form and aspheric lenses; Bifocal and trifocal lenses; Varifocal spectacle lenses; Tinted and treated lenses.