Excerpt from Ketchum's Lessons on the Eye: Dedicated to the World of Optometry and Especially to Those Who Have Sacrificed Their Time and Energy to the End That the Word Optometrist May Be Honored by All Other Professions Owing to unfamiliarity with the technical terms Of regu lar medical books on the subject of anatomy, physiology and pathology Of the eye and the limitations of his professional and legal requirements on these subjects, the student and practitioner Of Optometry has, as a class, been unable to get the story as he should know it. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.