Definify.com
Webster 1913 Edition
Nyctalopia
‖
Nycˊta-lo′pi-a
(nĭkˊtȧ-lō′pĭ-ȧ)
, Noun.
[L.
nyctalopia
, fr. nyctalops
a nyctalops, Gr. νυκτάλωψ
. Gr. νυκτάλωψ
meant, a person affected either with day blindness or with night blindness, and in the former case was derived fr. νύξ
, νυκτός
, night + ὤψ
, ὠπός
, the eye; in the latter, fr. νύξ
+ ἀλαόσ
blind + ὤψ
.] (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
. ☞ Some writers (as Quain) use the word in the opposite sense, night blindness. See
Hemeralopia
. Definition 2024
nyctalopia
nyctalopia
English
Noun
nyctalopia (plural nyctalopias or nyctalopiae)
- (medicine) The inability to see clearly in dim light; night blindness
Translations
night blindness — see night blindness