Night blindness is caused due to the deficiency of vitamin ______?

Night blindness is caused due to the deficiency of vitamin ______?

رات کا اندھا پن وٹامن______ کی کمی کی وجہ سے ہوتا ہے؟
Explanation

One of the early signs of vitamin A deficiency is night blindness (nyctalopia).

while

Vitamin K deficiency leads to uncontrolled bleeding during an injury.

A deficiency of Vitamin D results in Rickets

Osteomalacia is caused by to deficiency of Vitamin D.
Vitamin B1 deficiency causes Dry skin.