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

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'night blindness.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1625, in the meaning defined above

Time Traveler

The first known use of night blindness was in 1625

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Dictionary Entries Near night blindness

night bird

night blindness

night-blooming cereus

See More Nearby Entries

Cite this Entry

Style

“Night blindness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/night%20blindness. Accessed 7 Dec. 2022.

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