night blindness

noun

Definition of night blindness

: reduced visual capacity in faint light (as at night)

Keep scrolling for more

Other Words from night blindness

night-blind \ ˈnīt-​ˌblīnd How to pronounce night blindness (audio) \ adjective

Examples of night blindness in a Sentence

Recent Examples on the Web 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.

First Known Use of night blindness

1625, in the meaning defined above

Keep scrolling for more

Learn More About night blindness

Time Traveler for night blindness

Time Traveler

The first known use of night blindness was in 1625

See more words from the same year

Statistics for night blindness

Cite this Entry

“Night blindness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/night%20blindness. Accessed 24 Jun. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for night blindness

night blindness

noun

Medical Definition of night blindness

: reduced visual capacity in faint light (as at night)

called also nyctalopia

Other Words from night blindness

night-blind \ ˈnīt-​ˌblīnd How to pronounce night blindness (audio) \ adjective

More from Merriam-Webster on night blindness

Britannica.com: Encyclopedia article about night blindness

WORD OF THE DAY

Test Your Vocabulary

Return of Name that Color!

  • a light greenish blue color
  • Name that color:
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!