nyctalopia

/ˈnɪktəˌloʊpiə/
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Definitions of nyctalopia
  1. noun
    inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
    synonyms: moon blindness, night blindness
    see moresee less
    type of:
    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
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