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June 1940

Worth's Squint.

Arch Ophthalmol. 1940;23(6):1350-1352. doi:10.1001/archopht.1940.00860131512025

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This book considers the problem of squint from the point of view of comparative anatomy, embryology and reflex physiology. Thus, the first section on foundations of binocular reactions permits an interesting insight into the problems of relative and absolute rest and also into the changes of the various axes during phylogenetic development. The chapter on the close connection of the primitive reflexes of self preservation and aggression and their influence on the angle gamma, the orbital and visual axes and the extent of binocular fields is followed by a discussion of the physiologic questions of fixation and refixation, accommodation and pupillary reflexes. According to the author, the static anatomic bond between the two eyes and its control by the aforementioned reflexes will be strengthened in the vertebrate line with the increasing acuity of stereoscopic vision and refined with the development of the macula and fovea.

The second section treats the

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