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night blindness
noun
- 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
noun
- pathol a nontechnical term for nyctalopia
Derived Forms
- ˈnightˌblind, adjective
Other Words From
- nightblind adjective
Word History and Origins
Origin of night blindness1
Example Sentences
In most circumstances, rods are very sensitive to light, but in people with night blindness, the rods cannot accurately detect changes in light, and fail to function in the dark.
Ironically, the genetic alteration is surprisingly similar to one that degrades pigments in human retinas, causing night blindness.
He is afflicted by night blindness, a possible consequence of his own malnutrition early in life.
“I don’t drive anymore. I’m 61 and I get night blindness,” Chostler said before reflecting on the importance of having a transit stop nearby.
The actress, who suffers from night blindness, still refused and says she was told the building's front doors were locked and was sent in the direction of a dark stairwell.
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