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In contrast to the several other books recently published on optics and refraction, this book is written specifically for the clinician. The text is concerned with method more than with answering the question "Why?" Perhaps it lacks, therefore, a little of the thoroughness one usually expects from a textbook. The author presupposes a knowledge of the fundamentals of optics and of formation of images by lenses.
The organization of the book was at first a little confusing to the reviewer, because significant topics are briefly considered early in the text only to be treated later at greater length. This organization may lead to a more thorough understanding of the subject matter. The book is roughly divided into three sections. The first gives general considerations to refractive errors, ocular reflexes, and anomalies of accommodation. The second section, which constitutes by far the major part of the book, deals with the problems