dark-adapted
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a word derived from
dark adaptation.
dark adaptationnounthe reflex adaptation of the eye to dim light, consisting of a dilatation of the pupil and an increase in the number of functioning rods accompanied by a decrease in the number of functioning cones (opposed to light adaptation).
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But he says the bright light from a mobile phone screen can reduce your dark-adapted vision.
From BBC ● Feb. 14, 2026
Where I used to live in Colorado, I could see mag 5 stars from my driveway after I got dark-adapted, but light pollution from nearby towns made fainter stars invisible.
From Scientific American ● Jul. 28, 2023
And light has an especially potent effect if your eyes are dark-adapted, as they are if you have been asleep.
From Washington Post ● Feb. 3, 2023
His goal, as he says, is to capture light as if in a dream: “We come into sunrise with dark-adapted eyes, so we’re more sensitive to light in the morning.”
From New York Times ● May 9, 2013
Go into a dark room, and at first all seems black, but by degrees--provided there is a little light filtering into the room--you begin to see, for your retina is becoming dark-adapted.
From Psychology A Study Of Mental Life by Robert S. Woodworth