Color blindness all variations in human color vision involve the red and green receptors in male eyes. It is very rare for males or females to be "blind" to the blue end of the spectrum. The first scientific paper on the subject of color blindness, "Extraordinary facts relating to the vision of colours", was published by the English chemist John Dalton in 1798 after the realization of his own color blindness. Because of Dalton's work, the general condition has been called "daltonism", although in English this term is now used only for deuteranopia. Color codes present particular problems for those with color
Blindness (novel) Maria Pöhler. Like the German translation of the novel, the opera's title is "Die Stadt der Blinden". It saw its first performance on November 12, 2011 at the Zurich Opera House. Blindness (novel) Blindness (, meaning "Essay on Blindness") is a novel by Portuguese author José Saramago. It is one of his most famous novels, along with "The Gospel According to Jesus Christ" and "Baltasar and Blimunda". In 1998, Saramago received the Nobel Prize for Literature, and "Blindness" was one of his works noted by the committee when announcing the award. "Blindness" is the story of an unexplained mass epidemic