night blindness

Noun

Meaning

inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder

Source: WordNet

Alternative names

night-blindness

Synonyms

nyctalopia moon blindness rickets blindness dermatitis anaemia pellagra goitre cachexia amblyopia chlorosis anemia beriberi rachitis goiter
Show all synonyms

Hypernyms

avitaminosis hypovitaminosis vision defect visual defect visual disorder

Examples

Patients should be referred to an ophthalmologist if they develop ocular symptoms suggestive of vitamin A deficiency (e.g. night blindness). Source: Internet

The mutation accounts for approximately 70 percent of all cases of X-linked retinitis pigmentosa, which causes night blindness in early childhood followed by progressive daytime vision loss. Source: Internet

Close letter words and terms

night bird night biter night blanket night bloom night by night night cap