Standardization of Some of the Common Tests Used in Determining the Acuteness of Vision of School Children: A Thesis (Classic Reprint)Excerpt from Standardization of Some of the Common Tests Used in Determining the Acuteness of Vision of School Children: A Thesis The picture tests were discarded because they were not and could not be constructed according to the Snellen measurements, consequently the results obtained could not be compared with results obtained by tests made with the Snellen letters. The tests made were divided into two parts. The first had to do with the visibility of the illiterate E, supposed to be seen by the normal eye at no greater distance than 16 ft., as compared with the visibility of the Snellen letters constructed to be seen by the normal eye at no greater dis tance than 16 ft. 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. |
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Standardization of Some of the Common Tests Used in Determining the ... Joseph Madison McCallie No preview available - 2016 |
Standardization of Some of the Common Tests Used in Determining the ... Joseph Madison McCallie No preview available - 2017 |