Elevation based corneal tomography (or topography) is a new system that uses a direct triangulation technique to examine and measure the structure, shape and performance of the corneal surface. This book is a concise guide to elevation based tomographic imaging for ophthalmologists and cataract surgeons. Beginning with an introduction and overview of its evolution, the following chapters explain how to understand and interpret the data presented. Various procedures for different conditions are discussed, including the use of Pentacam for cataract disorders. With contributions from internationally renowned authors, this new edition includes more than 200 colour images and illustrations. The final section is a glossary of important terminology.