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Definition of Night blindness
1. Noun. Inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder.
Exact synonyms: Moon Blindness, Nyctalopia
Generic synonyms: Avitaminosis, Hypovitaminosis, Vision Defect, Visual Defect, Visual Disorder, Visual Impairment
Generic synonyms: Avitaminosis, Hypovitaminosis, Vision Defect, Visual Defect, Visual Disorder, Visual Impairment
Medical Definition of Night blindness
1. Failure or imperfection of vision at night or in dim light, with good vision only on bright days. (12 Dec 1998)