Incidence and severity of retinopathy of prematurity in extremely premature infants

To analyze incidence and severity of retinopathy of prematurity (ROP) among extremely premature infants.Retrospective, longitudinal study.We studied the data concerning 207 infants whose gestational ages (GAs) were equal to 27 weeks or fewer and who were admitted to a neonatal intensive care unit between July 2006 and July 2010.Data were extracted from the Canadian Neonatal Network, which maintains clinical information about neonates, and were...