单词	night blindness
释义	night blindness noun : reduced visual capacity in faint light (as at night) night-blind ˈnīt-ˌblīnd  adjective Example Sentences Recent Examples on the Web He is afflicted by night blindness, a possible consequence of his own malnutrition early in life. Raj Patel, Scientific American, 22 Sep. 2021 While rare, a true deficiency of vitamin A can lead to a condition called xerophthalmia, which can damage normal vision and result in night blindness—the inability to see in the dark or low light. Cynthia Sass, Mph, Health.com, 7 Aug. 2019 Already, diseases such as night blindness and myopathy are affecting horses, experts say. Jason Bittel, National Geographic, 2 May 2019 Word History First Known Use 1625, in the meaning defined above Medical Definition night blindness noun : reduced visual capacity in faint light (as at night) called also nyctalopia
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