Color Blindness Its Danger Its Detection PDF Download

Excerpt from Color-Blindness: Its Dangers and Its Detection Preface; Introduction; Historical Cases of Color-Blindness; Color-Blind Mistakes; Former Classification of the Color-Blind; Present Classification of the Color-Blind in Accordance with the Young-Helmholtz Theory of Color-Perception; Precise Condition of the Vision of the Color-Blind; Color-Blindness from Disease or Injury; Color-Blindness Hereditary; Physical Peculiarities connected with Color-Blindness; Frequency of Color-Blindness in Males; Infrequency of Color-Blindness in Females; Concealment of Color-Blindness in Practical Life; Incurability of Congenital Color-Blindness; Palliation of Congenital Color-Blindness; Dangers arising from Color-Blindness on Railroads. - Condition of Color-Blind Employes 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."