Zeiss provides the answers on lenses

Called Worth Looking Through: Spectacle Lenses from Carl Zeiss, it comprises sections from optical parameters through to anti-reflection and hard coatings. Additional sections cover lens production and lens materials. The compendium also includes a catalogue of optical equipment and technological advances. David Rose, Carl Zeiss UK director, said: 'The Zeiss compendium answers practically any question about our lenses. It gives the information needed to provide patients with optimum advice, and is an essential part of every optician's library.' - Practitioners wanting to obtain a copy of the compendium, priced at &\#163;20, should contact Zeiss on: 01707 871 241.