Which vitamin is essential for the maintenance of healthy epithelial cells and the prevention of night blindness?

A Vitamin A
B Vitamin E
C Vitamin K
D Vitamin B7
Vitamin A is crucial for the maintenance of healthy epithelial cells, including those in the eyes, and its deficiency can lead to night blindness.
_A_ = _A_lways see in the dark
World Health Organization
Vitamins Nutrition Vitamin A Medium MEDICAL Confidence: high