nyctalopia

Từ điển Oxford Learners Wordfinder Dictionary

noun

inability to see clearly in dim light;
due to a deficiency of vitamin A or to a retinal disorder
• Syn:
night blindness, moon blindness
• Hypernyms:
visual impairment, visual defect, vision defect, visual disorder, avitaminosis, hypovitaminosis

• Từ đồng nghĩa / Synonyms:
  night blindness, moon blindness