About The Word Nyctalopia
Learn about the word Nyctalopia to help solve your crossword puzzle. Discover Nyctalopia definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Nyctalopia
| Nyctalopia Definition And Meaning |
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What's The Definition Of Nyctalopia?
[n] inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
Synonyms | Synonyms for Nyctalopia: moon blindness | night blindness Related Terms | Find terms related to Nyctalopia: See Also | avitaminosis | hypovitaminosis | vision defect | visual defect | visual disorder | visual impairment Nyctalopia In Webster's Dictionary \Nyc`ta*lo"pi*a\, n. [L. nyctalopia, fr. nyctalops a
nyctalops, Gr. ?. Gr. ? meant, a person affected either with
day blindness or with night blindness, and in the former case
was derived fr. ?, ?, night + ?, ?, the eye; in the latter,
fr. ? + ? blind + ?.] (Med.)
(a) A disease of the eye, in consequence of which the patient
can see well in a faint light or at twilight, but is
unable to see during the day or in a strong light; day
blindness.
(b) See {Moonblink}.
Note: Some writers (as Quain) use the word in the opposite
sense, night blindness. See {Hemeralopia}.
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