Multiple choice general knowledge science & technology Which of the following vitamins promote healthy functioning of eyes in human beings? Vitamin B Vitamin C Vitamin A Vitamin D Reveal answer Fill a bubble to check yourself C Correct answer Explanation Vitamin A is essential for healthy vision, particularly for night vision and maintaining the cornea. Deficiency can cause night blindness and xerophthalmia. Vitamin B is for metabolism, C for immunity, D for calcium absorption.