Visual Pigments in Single Rods and Cones of the Human Retina
- 3 April 1964
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 144 (3614) , 45-52
- https://doi.org/10.1126/science.144.3614.45
Abstract
Difference spectra of the visual pigments have been measured in single rods and cones of a parafoveal region of the human retina. Rods display an absorption maximum (λmax) at about 505 mµ associated with rhodopsin. Three kinds of cones were measured: a blue-sensitive cone with Amaxe about 450 mpf; two green-sensitive cones with Xmaa about 525 muµ; and a red-sensitive cone with λmax about 555 mµ These are presumably samples of the three types of cone responsible for human color vision.Keywords
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