Retinopathy of prematurity (ROP), a disorder of halted or pathological retinal vascular growth was originally described by T. L. Terry, MD, as retrolental fibroplasia in 1942. 1 During the past 7 decades, our care for preterm infants with ROP has improved substantially. Milestone studies, including the International Classification of Retinopathy of Prematurity (ICROP), Cryotherapy for Retinopathy of Prematurity (CRYO-ROP), Laser ROP, and Early Treatment of Retinopathy for Prematurity (ETROP) studies, have established our current screening criteria and treatment protocols and prevented blindness in many of the affected infants. 2 This is especially relevant as the prevalence of ROP has increased in both low-income and high-income countries with advances in neonatal care and increased survival of very preterm infants.
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