Multiple choice

Xerophthalmia is caused due to deficiency of

  1. vitamin E

  2. vitamin A

  3. vitamin D

  4. none of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Deficiency of vitamin A causes xerophthalmia but there can be other causes also. In this defect, eye fails to produce tears because of dryness of cornea.