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The optical defects resulting from the removal of the crystalline lens have been given very little attention in ophthalmic literature. Major textbooks of cataract surgery often have only a line or two devoted to the optical management of aphakia. The ophthalmologist, therefore, has had little opportunity to learn, except by his personal experience, the vision problems of the aphakic and the application of the various methods available for optical correction of aphakia.
Dr. Welsh has occupied himself for some years with this neglected and little understood area. He has been joined in this volume by Dr. Curtis D. Benton, Jr., who has worked with Dr. Welsh's techniques to the extent that he has developed a similar knowledge and enthusiasm. Because of the rarity of such publications, this volume assumes major importance and must be very carefully evaluated.
The material which Drs. Benton and Welsh present, basically is not new, particularly