Understanding Spectacle Lenses

Gain an understanding of the wide range of lens options available by studying this course. The first section looks at how lenses work, their form and the benefits of aspheric lenses. There is then an in-depth section on the correction of presbyopia, which covers features, benefits and limitations of bifocal, trifocal, progressive and occupational lenses. The course then considers the properties of different lens materials, with the final section being dedicated to the important lens measurements that are required to place a spectacle order. A real must of any optical assistant or dispenser.