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Article
January 1952

AN EXPERIMENTAL STUDY OF OPTOKINETIC RESPONSES

Author Affiliations

ANN ARBOR, MICH.
From the Departments of Ophthalmology and Anatomy, University of Michigan Medical School.

AMA Arch Ophthalmol. 1952;47(1):43-54. doi:10.1001/archopht.1952.01700030046005
Abstract

A NORMAL person, as Walsh1 and others have pointed out, will exhibit an optokinetic (or opticokinetic) nystagmus on watching a succession of stationary objects as he moves steadily past them, such as the telegraph poles seen from a moving train. Likewise, it may appear if his eyes follow a series of moving objects, such as the stripes on an optokinetic drum. A nystagmus of this type consists of a following movement, or a slow phase, and a quick return of the eyes to center, or a quick phase. The slow phase depends upon fixation of the eyes. Various ophthalmologists have stated that such a nystagmus may be avoided if the subject being tested will visualize some object beyond the optokinetic drum during the test (Walsh1) or will fix his attention on something other than the drum (Kestenbaum2). However, as will be seen, not all observers (Cogan and

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