Textbook of Refraction

Textbook of Refraction

BOOK REVIEWS Work condensed into book form. The diagnosis of the oblique muscle de­ fects takes up almost 100 pages in which all the testing procedure...

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BOOK REVIEWS Work condensed into book form. The diagnosis of the oblique muscle de­ fects takes up almost 100 pages in which all the testing procedures are reviewed. One feels, however, that the author has reached no definite procedure which is satisfactory to him; therefore, he does not reassure the stu­ dent. The relation of the ocular muscles in the anatomic problems of surgery for separation of the retina is taken up in the appendix. The index of 130 references completes the volume. Beulah Cushman.

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whereas, the use of cycloplegics is perhaps minimized. The practice of the author in pre­ scribing bifiocals in nonpresbyopic myopes previously uncorrected, while occasionally warranted, will not find universal approval as a routine procedure. His statement that photophobia may be the result of excessive use of the accommodative mechanism is to be doubted. There are a few typographical errors and the practice of describing the cylinder axis as seen by the patient instead of the examiner in his graphic illustrations is confusing. These critical comments do not invalidate the book as a useful text. It is a worthwhile addition to any ophthalmological library but it should not be the sole text of the student of refraction. William A. Mann.

OF REFRACTION. By Edwin Forbes Tait, M.D., Ph.D. Philadelphia, W. B. Saunders Company, 1951. 418 pages with 93 figures. Price $8.00. The question might legitimately be raised as to the actual need for an additional text FROM A DOCTOR'S HEART. By Eugene F. Snyder, M.D. Chicopee Falls, Massachu­ book on refraction when there are already setts, Philosophical Library, 1951. 240 several which seem to serve the field quite pages. Price: $3.75. satisfactorily. In defense of this new vol­ ume, however, it may be said that it is not When I was asked to review Dr. Snyder's "just another book on refraction" but is a book, I did not expect to find that, not only clinical presentation of the author's views on had Dr. Snyder become a member of my the subject. These are frequently unortho­ club, "The Coronary Club," but, ironically dox and original and, while few readers will enough, that he was born about a stone's be in complete agreement with all views ex­ throw from my home town. He unceremon­ pressed, there is evidence of intensive study iously left it for the same reason I did; and a profound interest in this field. however, I came directly to the United The book is almost entirely clinical, a 'States at a much earlier period. I share with knowledge of physiologic optics and anat­ him the meaning of true freedom and also a omy being presupposed. A rather large sec­ mutual distaste for dictators of any stripe. This book about a well-trained general tion, some 135 pages, is devoted to anomalies practitioner who acquired a coronary throm­ of the extraocular muscles. Aside from the bosis, his mental and physical struggle dur­ chapters on the various errors of refraction ing and after the acute phase of the attack, and their correction, there is some brief dis­ and his complete recovery is easy to read. cussion of orthoptics, aniseikonia, and a It makes sense both to the medical and nonfinal "system of refraction" in tabular form. medical man, and especially to the specialist. It is to be noted that the terminology used His thoughts on the causes of the disease, by the author and many of his concepts show his philosophy, and the warning he sounds to the influence of an early nonmedical back­ others are in the finest tradition. This is to ground. For example, the keratometer and be read and enjoyed by everyone. "dynamic retinoscopy" are given what will The subject is lightened by humor in spite seem to many to be an undue emphasis; TEXTBOOK