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Night blindness is a disease caused by the deficiency of vitamin A .By the affection of this disease the affected person is unable to see anything in night .It can be cured by having vitamin A nutricious food item as milk , greenvegetables etc .
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the.answer to your question is written below
night blindness is a.disease caused.due to the deficiency of.vitamin A
it can be cured by eating the.food.items which is.rich in vitamin A....
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