Multicenter Trial of Cryotherapy for Retinopathy of Prematurity

Objective

To present ophthalmological outcome data at 5½ years after full term from a natural history cohort of infants who had a birth weight less than 1251 g and were enrolled at 5 centers of the Multicenter Trial of Cryotherapy for Retinopathy of Prematurity (ROP), including eyes without ROP and with a full range of ROP severity.

Design

Of the 1199 surviving children in the cohort, 1068 (89.1%) were examined. Study-certified...