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BlindsightA Case Study and Implications$
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L. Weiskrantz

Print publication date: 1990

Print ISBN-13: 9780198521921

Published to Oxford Scholarship Online: January 2008

DOI: 10.1093/acprof:oso/9780198521921.001.0001

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Left versus right eye

Left versus right eye

Chapter:
11 Left versus right eye
Source:
Blindsight
Author(s):

L. Weiskrantz

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780198521921.003.0011

On a number of occasions when the two eyes were compared, it was found that the left eye seemed better than the right. This was confirmed in this study for detection of a 10° disc. It was possible that the inequality stemmed from the fact that D. B. had undergone right cervical sympathectomy prior to his brain surgery, resulting in a constricted pupil in his right eye. The two eyes were compared when the vision of each was restricted by an artificial pupil of 4 mm aperture. With the artificial pupil, the difference between the eyes was no longer significant.

Keywords:   artificial pupil, sympathectomy, left eye superiority, standard situation

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