Retinopathy of Prematurity Stage 1 Demarcation Line - CISMeF
Retinopathy of Prematurity Stage 1 Demarcation LineNCIt concept
Preferred Label : Retinopathy of Prematurity Stage 1 Demarcation Line;
NCIt related terms : Retinopathy of Prematurity Stage 1 - Demarcation Line; Retinopathy of Prematurity Stage 1;
NCIt definition : An ophthalmoscopic finding that refers to retinopathy of prematurity characterized
by the presence of a faint demarcation line.;
Alternative definition : NICHD: A vasoproliferative condition of the retina seen in very immature newborn infants.
Stage 1 is defined by a demarcation line, a thin but definite structure that separates
the avascular retina anteriorly from the vascularized retina posteriorly. There is
abnormal branching or arcading of vessels leading up to the demarcation line that
is relatively flat, white, and lies within the plane of the retina.;