Q115. xerophthalmia Is a deficiency disease caused by lack of (a)Vitamin A (b) Vitamin B (c)Vitamin C (d) Vitamin D
Xerophthalmia refers to the spectrum of ocular disease caused by severe Vitamin A deficiency (VAD). Vitamin A serves several essential functions in the eye, and deficiency can lead to a constellation of ocular signs and symptoms that affect the conjunctiva, cornea, and retina.
