Citation

Leukart RH. J. Exp. Psychol. 1939; 25(3): 257-270.

Copyright

(Copyright © 1939, American Psychological Association)

DOI

10.1037/h0055038

PMID

unavailable

Abstract

In the technique used in this experiment the action of the extra-ocular muscles (of the eye being used) was eliminated. An objective criterion of accommodation was employed. Results indicate that, in a group of persons, the average accommodation time for the left eye is approximately equal to that for the right eye (.322 sec.). For the distance at which the test objects were placed in this experiment (1 m and 4 m), there is no difference between the time required for near-to-far and for far-to-near accommodation. Inspection of individual readings of right and left eyes indicates that the fact that there is no reliable difference in means for left eye and right eye is a function of probability. For far-to-near accommodation, 13 S's (about 93%) show a difference in time for right and left eye of more than .060 sec. (the approximate unit of measurement). For near-to-far accommodation, this same situation is observed in 50% of the cases. (PsycINFO Database Record (c) 2012 APA, all rights reserved)