... Total color blindness and total color weakness, which are monochromatic vision, are completely different from red-green color blindness. Total color blindness is called rod monochromatic vision, and is the complete lack of function of the cones. Therefore, in addition to being completely insensitive to color, people with this condition usually have a visual acuity of 0.1 or less, cannot see in bright places, so-called hemeral blindness, are very sensitive to glare, and have nystagmus. ... *Some of the terminology that refers to "rod monochromatic color vision" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 一色型色覚である全色盲および全色弱は,赤緑色覚異常とはまったく異なったものである。全色盲は杆体一色型色覚と呼ばれ,錐体の機能のまったく欠如しているものである。したがって,色覚をまったく感じないほか,視力が通常0.1以下で,明るいところでは見えない,いわゆる昼盲があり,非常にまぶしがり,眼振がある。… ※「杆体一色型色覚」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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