Excerpt from Glaucoma Its Causes, Symptoms, Pathology, and Treatment The commonly adopted division of glaucomatous diseases into a primary and a secondary group is here retained. Recent discoveries have tended, in some measure, to Show that this division is arbitrary, and, on scientific grounds, untenable; that, primary glaucoma, if the term indicate a condition in which a rise of the intraocular pressure is antecedent to any structural change, does not exist, and that secondary glaucoma includes conditions the etiology of which entitles them to be classed with the primary. Granting that this is true, I believe that, practically, the division is both Simple and useful; and, further, I believe that, with a few Slight exceptions, it classifies glaucomatous diseases in strict accordance with fundamental differ. 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.