daltonism
先天性色盲,紅綠色盲
Dal·ton·ism /-ṇˌɪzəm/ 名詞
色盲
Dal·ton·ism n. Inability to perceive or distinguish certain colors, esp. red; color blindness. It has various forms and degrees. So called from the chemist Dalton, who had this infirmity.
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Daltonism
n : dichromacy characterized by a lowered sensitivity to green
light resulting in an inability to distinguish green and
purplish-red [syn: deuteranopia, green-blindness]