Worth's Squint or the Binocular. Reflexes and the Treatment of Strabismus

The present edition of this classic on squint differs greatly from all previous editions. As Chavasse comments in the preface, "The possibility of rewriting the book (previous editions) was very carefully considered. It then became clear that it was not possible—or even desirable—to rewrite a classic." Since the fundamental researches of Helmholtz, Hering, Tschermak, Javal and Worth, a new conception of the phylogeny, the ontogeny and the physiology of the muscles of the eye has been created by Sherrington, Magnus and Pavlov. Hence the author has added a subsidiary title to the book, and he transmits this point of view in his detailed consideration of such factors in squint as the anatomy and physiology of the foundations of binocular reactions, the anatomic and reflex development in the child and the pathology of binocular anomalies. The last includes an insight into the obstacles of reflexes, their sight and nature, heterophoria and