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 most common cause of blindness or severe visual impairment due to a nutritional deficiency. Vitamin A is essential for the functioning of the retina and for maintaining the health of the cornea. Iron, protein, and iodine deficiencies can cause other health issues but are not typically associated with visual impairment.

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