Interexpert Agreement in the Identification of Macular Location in Infants at Risk for Retinopathy of Prematurity

To characterize variability in the identification of the macular center among retinopathy of prematurity (ROP) experts.A printed set of 25 wide-angle retinal images was compiled from infants at risk for ROP using a commercially available camera. Ten recognized ROP experts were asked to mark the macular center on each image. For each image, we measured the distance from the optic disc center to the marked macular center. Distances were...