Excerpt from The Conservation of Vision: An Essay on the Care of the Eyes; Eye-Strain, Eye Diseases, Illumination, Improvement Do you realize that good eye sight is practically as important as physical health? Certainly both the power to learn and the power to earn depend almost entirely upon the possession of good eyes. But do you know how to safeguard and preserve your eyesight? If you are like most people, you have probably absorbed considerable knowledge of the general laws of health, while remaining practically ignorant of the Simplest rules for conserving your own eyesight, as well as that of individuals placed in your care. Without doubt the most widely Spread of all disorders of the eye is eye-strain. It is likely that the effects of this form of eye trouble are greater and more disastrous than all other forms put together. 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.