Page 3 - Cahier-Progressive Lenses-GB.indd

Summary Summary Summary p.3 Introduction p.5 1 The progressive lens concept A Basic design of Progressive lenses p.6 B Advantages of Progressive power lenses p.8 2 Physiological considerations in progressive lens design Progressive lenses A Foveal vision p.9 B Peripheral vision p.10 C Binocular vision p.11 3 Designing progressive lenses A Principles of design of progressive lenses p.12 B Design of progressive lenses p.14 4 Description and control of progressive lens design A Graphical representation of progressive lenses p.17 B Measurement and control of progressive surfaces p.19 5 Manufacture of progressive lenses A Manufacture of progressive power lenses p.22 B Enhancing the characteristics of finished progressive lenses p.23 6 Evolution of progressive lenses st 1 generation : the « first » progressive lens p.25 nd 2 generation : the progressive lens with « optical modulation » p.26 rd 3 generation : the « multi-design » progressive lens p.27 4 generation : the progressive lens for « natural vision » p.28 th 5 generation : the progressive lens with a « widened vision field » p.31 th th 6 generation : the « high resolution » progressive lens p.34 A new dimension : « personalized » progressive lenses p.37 Conclusion p.39 3 Copyright © 2006 ESSILOR ACADEMY EUROPE, 13 rue Moreau, 75012 Paris, France - All rights reserved – Do not copy or distribute.