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The third edition of this well known textbook on ocular motility appears just five years after the second edition, and although the words "thoroughly revised" appear on the title page, only 25 pages are either new or largely rewritten. The edition is otherwise a reprint of the second with a few unimportant changes.
One of the new sections deals with the technic of orthoptic training. No modern textbook on the treatment of strabismus is complete without a thorough discussion of this subject, but the 12 pages devoted to it in this book fail to accomplish that. The section starts with a definition of orthoptic exercises from Webster (!) and goes on to a discussion of "regular noncorrespondence," "false macula," "irregular or incongruous noncorrespondence" and "false projection." The subject of orthoptics is not so new that it has not been defined by competent authorities, and a well recognized terminology has been established