Excerpt from Retinoscopy (or Shadow Test) In the Determination of Refraction at One Meter, Distance: With the Plane Mirror The proof of the growing popularity of Retinoscopy as the most valuable objective method of estimating the refraction of an eye is attested by the demand for another edition. The writer takes pleasure in carefully revising the work and bringing it up to date by the addition of new illustrations as well as illustrations of new apparatus. The author wishes to express his deep appreciation for the many favorable criticisms of the work and trusts that this edition may receive continued favor. 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.