<qa>  What is the leading cause of blindness and other vision impairments in children?Retinopathy of prematurity ROP is an abnormal growth of the blood vessels in the eye that occurs primarily in very premature infants. Eye development occurs normally in the womb; in infants born prematurely, however, the blood vessels must finish developing outside the protective environment of the uterus. Retinopathy of prematurity also known as retrolental fibroplasia is a leading cause of blindness and other vision impairments myopia, strabismus, and amblyopia in children, both in developed and developing countries. 