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Showing results for night blindness. Search instead for Congenital+Night+Blindness.

night blindness

American  

noun

Ophthalmology.
  1. a condition of the eyes in which vision is normal in daylight but abnormally poor at night or in a dim light; nyctalopia.


night blindness British  

noun

  1. pathol a nontechnical term for nyctalopia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of night blindness

First recorded in 1745–55

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.

George Plumridge has retinitis pigmentosa and night blindness, and said the Ticketmaster website was "really inaccessible" and despite having all the tools he "just couldn't do it".

From BBC • May 26, 2024

"The mechanism that causes G90D night blindness could be similar in the three other rhodopsin mutations that cause this condition," Chai says.

From Science Daily • May 16, 2024

In humans, a genetic alteration here decreases the stability and effectiveness of rhodopsin pigments in the retina, sparking a condition known as congenital stationary night blindness.

From Science Magazine • Mar. 23, 2023

He is afflicted by night blindness, a possible consequence of his own malnutrition early in life.

From Scientific American • Sep. 22, 2021

Despite night blindness, the Pole Star would follow, sniffing at them with its radar arrays.

From "Ship Breaker" by Paolo Bacigalupi

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