Definition of nyctalopia in English:

nyctalopia

noun ˌnɪktəˈləʊpɪəˌnɪktəˈloʊpiə

mass nounMedicine

A condition characterized by an abnormal inability to see in dim light or at night, typically caused by vitamin A deficiency.
Example sentencesExamples
- Fundus examination is usually normal, distinguishing it from the progressive conditions causing nyctalopia.
- Ophthalmologists are occasionally confronted with an individual presenting with nyctalopia (ie, a relatively greater difficulty seeing at night).
- The insensitivity to dim stimuli is accompanied by a mild nyctalopia.
- About 90% of the female portion of the study suffer from Nyctalopia.
- The fact that an abnormal result occurs in 26%, however, suggests that ncytalopia should be evaluated with electrophysiological testing even when the fundi appear normal.

Origin

Late 17th century: via late Latin from Greek nuktalōps, from nux, nukt- 'night' + alaos 'blind' + ōps 'eye'.

Definition of nyctalopia in US English:

nyctalopia

nounˌniktəˈlōpēəˌnɪktəˈloʊpiə

Medicine

The inability to see in dim light or at night.
〔医〕夜盲（症）
Also called night blindness
Example sentencesExamples
- Ophthalmologists are occasionally confronted with an individual presenting with nyctalopia (ie, a relatively greater difficulty seeing at night).
- The insensitivity to dim stimuli is accompanied by a mild nyctalopia.
- Fundus examination is usually normal, distinguishing it from the progressive conditions causing nyctalopia.
- The fact that an abnormal result occurs in 26%, however, suggests that ncytalopia should be evaluated with electrophysiological testing even when the fundi appear normal.
- About 90% of the female portion of the study suffer from Nyctalopia.

Origin

Late 17th century: via late Latin from Greek nuktalōps, from nux, nukt- ‘night’ + alaos ‘blind’ + ōps ‘eye’.

单词	nyctalopia
释义	Definition of nyctalopia in English: nyctalopia noun ˌnɪktəˈləʊpɪəˌnɪktəˈloʊpiə mass nounMedicine A condition characterized by an abnormal inability to see in dim light or at night, typically caused by vitamin A deficiency. Example sentencesExamples Fundus examination is usually normal, distinguishing it from the progressive conditions causing nyctalopia. Ophthalmologists are occasionally confronted with an individual presenting with nyctalopia (ie, a relatively greater difficulty seeing at night). The insensitivity to dim stimuli is accompanied by a mild nyctalopia. About 90% of the female portion of the study suffer from Nyctalopia. The fact that an abnormal result occurs in 26%, however, suggests that ncytalopia should be evaluated with electrophysiological testing even when the fundi appear normal. Origin Late 17th century: via late Latin from Greek nuktalōps, from nux, nukt- 'night' + alaos 'blind' + ōps 'eye'. Definition of nyctalopia in US English: nyctalopia nounˌniktəˈlōpēəˌnɪktəˈloʊpiə Medicine The inability to see in dim light or at night. 〔医〕夜盲（症） Also called night blindness Example sentencesExamples Ophthalmologists are occasionally confronted with an individual presenting with nyctalopia (ie, a relatively greater difficulty seeing at night). The insensitivity to dim stimuli is accompanied by a mild nyctalopia. Fundus examination is usually normal, distinguishing it from the progressive conditions causing nyctalopia. The fact that an abnormal result occurs in 26%, however, suggests that ncytalopia should be evaluated with electrophysiological testing even when the fundi appear normal. About 90% of the female portion of the study suffer from Nyctalopia. Origin Late 17th century: via late Latin from Greek nuktalōps, from nux, nukt- ‘night’ + alaos ‘blind’ + ōps ‘eye’.
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