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The author presents the subject of refraction in a practical manner, enabling one to quickly grasp the essentials in determining the errors of refraction and of ocular muscle balance. The use of the various instruments of precision is well treated, and some space devoted to the various types of lenses. A large part of the book is given to the mathematical problems connected with this subject.
The Prescribing of Spectacles.. JAMA. 1911;LVI(10):772. doi:10.1001/jama.1911.02560100064042