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July 1972


Arch Ophthalmol. 1972;88(1):122. doi:10.1001/archopht.1972.01000030124035

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Bring up the subject of refraction to a practicing ophthalmologist, and the phrase, "is it better with one or two?" almost reflexly rushes to his lips. True, one can do most refractions with a pocketful of trial lenses and a virile rendition of "better one or two?" However, that belittles a science that helps many people. With some 90 million Americans sitting in the waiting room to be refracted, we should develop a broader appreciation of a science so refined that even a stumbling "one or two" usually gets results.

This volume attempts to refresh the reader's memory in many areas of refraction and optics. For example, there are sections on aniseikonia, retinoscopy, the cross cylinder, low vision aids, and many other useful areas. There is even a 90-page section on lens construction, including material on bifocals and lens manufacture.

Although the review sections are all well done, it is

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