…It is a condition in which one is unable to distinguish colors or has difficulty doing so. It is generally known as color blindness or color weakness, but these days it is often grouped together as color vision deficiency. There are congenital and acquired cases, but the majority are congenital, which is caused by a malfunction of color vision. … *Some of the terminology that refers to "color weakness" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…色の区別ができないか,困難な状態をいう。一般には色盲color blindnessあるいは色弱color weaknessとして知られるが,最近は色覚異常としてまとめることが多い。先天性と後天性のものがあるが,大部分は先天性のもので,これは色覚の機能不全による。… ※「color weakness」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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