Thesaurus: nyctalopia

Related headwords

Definitions

1. n. 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.
2. n. See Moonblink.
3. n. inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
4. (a) A word/disease">disease of the eye, in word/consequence">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.
5. n. inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder