Preferred Label : Retinopathy of Prematurity in Zone 1;
NCIt related terms : Retinopathy of Prematurity in Retinal Anatomic Zone 1;
NCIt definition : Retinopathy of prematurity located in zone 1 of the retina.;
Alternative definition : NICHD: A vasoproliferative condition of very immature newborn infants that may be
characterized by neovascularization, scarring, retinal detachment, and eventually
blindness. The affected portion of the retina lies within zone 1, a circle that is
centered on the optic nerve and extends peripherally twice the distance from the center
of the optic disc to the center of the macula.;