Question: what are the signs and symptoms of xerophthalmia?
Answer: NIGHT BLINDNESS (XN) Night blindness or defective vision in dim light is the earliest clinical manifestation of Vitamin A Deficiency. ...  CONJUNCTIVAL XEROSIS (X1A) ...  BITOT'S SPOTS (X1B) ...  CORNEAL XEROSIS (X2) ...  CORNEAL ULCERATION AND KERATOMALACIA (X3A and X3B) ...  CORNEAL SCAR (XS) ...  XEROPHTHALMIC FUNDUS (XF)