<prompt> Blindness in a child is most commonly due to -KeratomalaciaCongenital cataractGlaucomaInjuries  <response>: Keratomalacia is due to vitamin A deficiency.Vitamin A deficiency is the most common cause of blindness in children in India. __ Philip ReilyVitamin A deficiency is the single most important cause of blindness in children. Wykoff 