Definitions for "Nightblindness"
Keywords:  dim, darkened, dusk, blindness, crawl
A physical condition in which a person cannot adapt to dim light or to a darkened room or setting. If a child can crawl or walk, the mother may notice that the child suffering from nigh/blindness becomes inactive at dusk or night time.
A condition in which a person has impaired vision in dim or darkened conditions. Night blindness is commonly caused by a deficiency in vitamin A.