Description

""The Detection of Colorblindness and Imperfect Eyesight by the Methods of Dr. Snellen, Dr. Daae, and Prof. Holmgren"" is a book written by Charles Roberts in 1881. The book focuses on the detection of colorblindness and imperfect eyesight using the methods developed by Dr. Snellen, Dr. Daae, and Prof. Holmgren. The author explains the different types of colorblindness, their causes, and the methods used to detect them. He also discusses the importance of detecting colorblindness in various professions, such as those in the railway and marine industries. The book provides detailed instructions on how to conduct the tests and interpret the results. It also includes illustrations and diagrams to aid in the understanding of the methods. Overall, this book is a valuable resource for anyone interested in the detection of colorblindness and imperfect eyesight.With A Table Of Colored Berlin Wools And Sheet Of Test Types.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.