Xerophthalmia in children and nyctalopia in adults is caused by the deficiency of which vitamin?
A. Vitamin B
B. Vitamin B2
C. Vitamin K
D. Vitamin A
Answer:D
Xerophthalmia in children and nyctalopia in adults is caused by the deficiency of which vitamin?
A. Vitamin B B. Vitamin B2 C. Vitamin K D. Vitamin A