…When we move from a bright place to a dark place, we can hardly see anything at first, but as we get used to it, we gradually start to see faint things. This adaptation of light perception to a dark place is called dark adaptation, and conversely, adaptation of light perception to a bright place is called light adaptation. This is a manifestation of the body's regulatory mechanism, which reduces the sensitivity of the retina in bright places to accept more light, and increases its sensitivity in dark places to respond to light. … *Some explanations of terms that refer to "dark adaptation" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…明るいところから暗所へ移ると,はじめはほとんど何も見えないが,慣れることによって,しだいにうす暗いものが見えるようになる。このような暗所への光覚の順応を暗順応dark adaptationといい,逆に明所への光覚の順応を明順応light adaptationという。これは明所では網膜の感度を下げて多くの光量を受け入れ,暗所では感度を上げて光に反応していく生体の調節機構の表れである。… ※「dark adaptation」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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