A deficiency of which of the following nutrients is the leading cause of blindness worldwide?

Question

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Vitamin A deficiency is the leading cause of blindness worldwide, particularly in developing countries where malnutrition is prevalent. Vitamin A is crucial for maintaining healthy vision, particularly in low-light conditions, and a deficiency can lead to a condition called xerophthalmia, which can cause irreversible blindness if left untreated. Adequate intake of vitamin A is essential for maintaining healthy eyes and vision.

A Deficiency of Which of the Following Nutrients Is the Leading