出典:Wiktionary
color blind + -ness or color + blindness
color blindness (countable かつ uncountable, 複数形 color blindnesses) (米国用法 spelling)
出典:『Wiktionary』 (2013/07/30 22:40 UTC 版)
color-blindness (usually uncountable; 複数形 color-blindnesses)
出典:『Wiktionary』 (2010/12/05 00:14 UTC 版)
colorblind + -ness
出典:Wikipedia
出典:『Wikipedia』 (2011/06/29 17:31 UTC 版)
Color blindness or color vision deficiency is the decreased ability to perceive differences between some of the colors that others can distinguish. It is most often of genetic nature, but may also occur because of some eye, nerve, or brain damage, or exposure to certain chemicals. The English chemist John Dalton published the first scientific paper on this subject in 1798, "Extraordinary facts relating to the vision of colours", after the realization of his own color blindness. Because of Dalton's work, the condition was often called daltonism, although this term is now used for a type of color blindness called .