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Science 27 August 1965:
Vol. 149. no. 3687, pp. 989 - 991
DOI: 10.1126/science.149.3687.989
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Articles

Response of the Pupil to Steady-State Retinal Illumination: Contribution by Cones

Jurriaan Ten Doesschate 1 and Mathew Alpern 2

1 University of Utrecht, Utrecht, Netherlands
2 University of Michigan, Ann Arbor

Response of the pupil to steady-state retinal illumination was measured in an observer who lacked functioning rods. At high intensities, this response was as great as that of a normal eye. These results cannot be explained by the hypothesis that only rods are receptors for the steady-state response.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Optics and Visual Physiology.
M. L. Rubin (1967)
Arch Ophthalmol 78, 77-102
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Science. ISSN 0036-8075 (print), 1095-9203 (online)