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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.
unu.edu
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.
webmd.com