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PAUL BOEDER, Ph.D.

AMA Arch Ophthalmol. 1957;57(2):200-206.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Introduction

Much in the recent literature on oculorotations and Listing's law is concerned with the "false torsion" that occurs in oblique positions of the globe and with removing the misunderstandings to which this concept has given rise. The emphasis has been on oculorotations around axes in Listing's plane, and, with the aid of models and photographs of such, this type of oculorotation, from the primary position to any other, has largely been settled, although some confusion persists.¹

It is different with oculorotations starting from positions other than the primary position. Here misconceptions are still deeply rooted—no doubt, because of the intricacy of analyzing the general case.^2-4 Thus, for instance, Tschermak-Seysenegg,⁵ who constructed several ingenious models in order to elucidate the simple case of oculorotations, states in regard to the movements around secondary axes, "Every movement other than a primary radial one, whether starting from the primary or . . . [Full Text PDF of this Article]

Author Affiliations
Southbridge, Mass.

Footnotes
Received for publication June 21, 1956.

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