Download or read book The American Journal of Physiological Optics, 1922, Vol. 3 written by Charles Sheard and published by Forgotten Books. This book was released on 2017-05-25 with total page 934 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The American Journal of Physiological Optics, 1922, Vol. 3: A Quarterly Journal Fatigue, visual (abs.) Ferree and Rand - Sensitivity of illumination scale for de termining exact amount and placement of correction for astigmatism French - Unaided eye (abs.) Frequencies of complementary hues (abs.) 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.