“Eye Essentials” is a series of user-friendly, rapid-reference books designed to address the core skills required by the eye care practitioner in modern optical practice. Each title is authored by experts in the subject area. The common format of each volume makes for exceptional ease of reference. Full colour is used throughout. Each book emphasizes the practical, rather than theoretical, elements of optometry and optics. Addressing classical concepts and new developments in the optical industry, “Eye Essentials” is a comprehensive series that the eye care practitioner will find invaluable in routine or specialized practice. “Eye Essentials” is an indispensable reference series for students, graduates completing their pre-registration year, qualified practitioners who are keen to polish their clinical skills and all those who would like to be up to date with new concepts in the optical profession.