[Studies on the incidence of retinopathy of prematurity].

The paper presents the incidence of retinopathy of prematurity, based on the examinations of 1009 preterm infants and children with intrauterine growth retardation. The disease developed in 5.8% of all examined children but in the infants with birth weight under 1000g it was observed in 25%. In children with birth weight above 2000g, retinopathy was almost absent. Bilateral blindness was observed in 0.9% of the examined and in 11.5% children with the birth weight under 1000g. 44% blind children have appeared too late for ophthalmological examination.