Book Description

Excerpt from Ocular Refraction and the Shadow Test This book is dedicated to the advancement of the science of optometry, and to those willing workers in the field who are ambitious for its advancement and who are laboring to that end. The correction of errors of refraction of the eye with lenses is a noble work, involving the betterment of conditions under which mankind is enabled to enjoy the most valuable of the five senses, viz., sight. Without glasses many would never know the beauties of our world, while others would suffer ceaseless misery. The resources of optical science have bean greatly improved, its practitioners have acquired more knowledge and skill, and its value is becoming more appreciated. The limit of the possibilities of the work have not been reached, however. and this should stimulate individual research and study. There arc rewards yet to be gained. If this book proves to be a help to any. and stimulates new thoughts and ideas, it will not have failed in its mission. 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.