night blindness (redirected from congenital night blindness)

night blindness

n.

A condition of the eyes in which vision is normal in daylight or other strong light but is abnormally weak or completely lost at night or in dim light. The condition may result from vitamin A deficiency, disease, or hereditary factors. Also called nyctalopia.

---

night blindness

n

(Medicine / Pathology) Pathol a nontechnical term for nyctalopia

nightblind  adj

Thesaurus

Noun

1.

night blindness - inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder moon blindness, nyctalopia avitaminosis, hypovitaminosis - any of several diseases caused by deficiency of one or more vitamins vision defect, visual defect, visual disorder, visual impairment - impairment of the sense of sight