If blindness or severe visual impairment is the result of a nutritional deficiency, the most likely cause is a deficiency of:
A) iron
B) protein
C) vitamin A
D) iodine

Question

Quizplus · Accepted Answer

Vitamin A deficiency is the leading cause of blindness and severe visual impairment in developing countries. Vitamin A is important for the health of the cornea and is involved in the process of vision. Lack of vitamin A can lead to a condition called xerophthalmia, which can cause dryness, ulcers, and blindness.

If Blindness or Severe Visual Impairment Is the Result of a Nutritional