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The twelve lectures which comprise this monograph on motor anomalies of the eyes were given before the Research Study Club of Los Angeles in January 1938. In his review of the physiology of ocular movements, Bielschowsky places particular emphasis on deficiency of the fusion faculty as the most important factor in the causation of strabismus and discusses in detail fusional movements of the eyes.
The next two chapters are devoted to consideration of heterophoria, in which the author's well known but debatable views on the importance of anomalous positions of rest as a cause of heterophoria are outlined. A brief but sane discussion of the nonoperative treatment of heterophoria is given.
The various theories on the causation of strabismus are reviewed, with the conclusion that the problem has not been cleared up satisfactorily. The author divides the etiologic factors producing the faulty position of the eyes into three groups: (1)
John H. Dunnington. Lectures on Motor Anomalies.. Arch Ophthalmol. 1940;24(5):1063–1064. doi:10.1001/archopht.1940.00870050215024