Reduction of rod and cone function in 6.5-year-old children born extremely preterm
OBJECTIVE To compare retinal function via full-field electroretinographic (ffERG) recordings in 6.5-year-old children born extremely preterm with children born at term. DESIGN, SETTING, AND PARTICIPANTS A subcohort studywas conducted from July 1, 2010, to January 15, 2014, of the national Extremely Preterm Infants in Sweden Study, including preterm children (