night blindness is communicable or non-communicable
Night blindness is non-communicable.This is because it is caused by deficiency of Vitamin-A.So it cannot be transferred from one person to another and is caused internally.
night blindness is communicable or non-communicable
Night blindness is non-communicable.This is because it is caused by deficiency of Vitamin-A.So it cannot be transferred from one person to another and is caused internally.