˜… This book highlights the detailed collection of the chronicles of spectacles, frames, lenses and contact lenses from the early medieval period to the twenty-first century. This book is designed to meet the higher domains of pedagogy with recent advances in optometry. This simplified version covers the entire area with over 200 authentic images and smart arts illustrates the hierarchical relationship. It aims to draw the beginner's attention along with the bachelor and diploma students for upgrading their basics and comprehensive knowledge in the field of optometry. The idea beyond the introduction of this book is to give a broad idea of lenses, frames and dispensing optics.˜… The chapter on customer desk explains how to deal with the customer while dispensing frames and lenses with the associated problems during a frame and lens selection. The book will be helpful in guiding the students not only in getting success in the examinations but also the optometry career. The text briefly discusses the practical information on corrective lenses, transposition, bifocals, trifocals, progressive lenses and aphakic lenses.˜… Optical materials and measurements are covered with details on types of lenses, frame materials and parts, pupillary distance, prescription verification, lensometer and bifocal verification. The text then focuses on the art of dispensing, including frame selection, fitting, pantoscopic tilt, retroscopic tilt, and the hot salt pan for the frame adjustment.˜… This is a handy manual/guide for frames, lenses and their fitting, providing a step-by-step approach to solving vision difficulties and patient's complaints, and a significant section on frame types, problems solving numerical round out.