Defective Hearing: Its Causes And Treatment is a book written by James Keene in 1878. The book provides a detailed exploration of the causes of hearing impairment and the various treatments available at the time. The author draws on his own experiences as a physician and surgeon to offer practical advice to readers who may be suffering from hearing loss. The book covers a range of topics related to hearing impairment, including the anatomy of the ear, the different types of hearing loss, and the effects of hearing loss on speech and communication. Keene also discusses the various treatment options available, including the use of hearing aids and surgical interventions. The book is written in accessible language and is aimed at a general audience, although it may be of particular interest to medical professionals and those working in the field of audiology. Overall, Defective Hearing: Its Causes And Treatment is a comprehensive guide to understanding and managing hearing impairment, written by a respected medical expert of the time.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.