The chemistry of John Dalton's color blindness

@article{Hunt1995TheCO,
  title={The chemistry of John Dalton's color blindness},
  author={David M Hunt and Kanwaljit S. Dulai and James K. Bowmaker and John D. Mollon},
  journal={Science},
  year={1995},
  volume={267},
  pages={984 - 988}
}
John Dalton described his own color blindness in 1794. In common with his brother, he confused scarlet with green and pink with blue. Dalton supposed that his vitreous humor was tinted blue, selectively absorbing longer wavelengths. He instructed that his eyes should be examined after his death, but the examination revealed that the humors were perfectly clear. In experiments presented here, DNA extracted from his preserved eye tissue showed that Dalton was a deuteranope, lacking the middlewave… 
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