What is the primary cause of xerophthalmia?
Explanation
Xerophthalmia is mainly caused by a deficiency of Vitamin A, which is essential for maintaining healthy vision. Deficiencies in Vitamins D, C, or K do not lead to this condition.
Xerophthalmia is mainly caused by a deficiency of Vitamin A, which is essential for maintaining healthy vision. Deficiencies in Vitamins D, C, or K do not lead to this condition.