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 (2008 film) Blindness (2008 film) Blindness is a 2008 English-language film, an adaptation of the 1995 novel of the same name by Portuguese author José Saramago about a society suffering an epidemic of blindness. The film was written by Don McKellar and directed by Fernando Meirelles with Julianne Moore and Mark Ruffalo as the main characters. Saramago originally refused to sell the rights for a film adaptation, but the producers were able to acquire it with the condition that the film would be set in an unnamed and unrecognizable city. "Blindness" premiered as the opening film at the Cannes Film Festival on