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This is a reproduction of a book published before 1923. This book may have occasional imperfections
such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact,
or were introduced by the scanning process. We believe... Read Full Overview

Defective Eyesight: The Principles Of Its Relief By Glasses is a book written by Daniel Bennett St. John Roosa in 1899. The book is a comprehensive guide on the principles of correcting eyesight problems through the use of glasses. Roosa, who was an ophthalmologist, provides... Read Full Overview

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original... Read Full Overview

Defective Eyesight: The Principles Of Its Relief By Glasses is a book written by Daniel Bennett St. John Roosa in 1899. The book is a comprehensive guide to understanding the principles of defective eyesight and how glasses can be used to relieve it. Roosa was a renowned ophthalmologist... Read Full Overview