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Article
July 1930

OCULAR MOVEMENTS

Arch Ophthalmol. 1930;4(1):73-83. doi:10.1001/archopht.1930.00810090081006
Abstract

In this paper I do not intend to give a comprehensive exposition of the subject, but shall deal only with certain questions of kinematics on which I did some experimental work.

First, I shall present some ideas about the kinematics of rotation in general. One may describe in several ways the motion which a rectangle (fig. 1) could have made when moving from one position to a second one if one knows only these two positions. An infinite number of ways are, of course, possible but they are not equally simple for description. The motion might have consisted of two shifts and one rotation. For convenience, one may take each shift in the direction of one of the axes of reference. This is represented in figure 1, in which the heavy lines indicate the position of the rectangle at the beginning and at the end of the motion, the thin-lined

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