• DOI:10.1126/science.144.3614.45
Corpus ID: 10239426

Visual Pigments in Single Rods and Cones of the Human Retina

@article{Brown1964VisualPI,
  title={Visual Pigments in Single Rods and Cones of the Human Retina},
  author={P. Brown and G. Wald},
  journal={Science},
  year={1964},
  volume={144},
  pages={45 - 52}
}

• P. Brown, G. Wald
• Published 1964
• Materials Science, Medicine
• Science

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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 m� 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 mu�; and a red-sensitive cone with λmax about 555 m� These are presumably samples of the three types of cone responsible for human color vision.