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
Colour Me English Colour Me English Colour Me English is a 2011 collection of essays by Caryl Phillips. Written over a period of 20 years, the essays deal with themes of identity, home and belonging. Reviewed in "The Independent", the book was called "a polymorphous delight that always retains at its core the notion of identity: how it is constructed, how it is thrust upon us, how we can change it. It is about our sense of self, how we fit within society – and how both society and individuals must adapt to each other in order for both to thrive." In the