Study Status: Not yet recruiting
Recruit Status: Not yet recruiting
Study Type: Interventional
Official Title: Safety and Efficacy of Propranolol Treatment in Newborns With Retinopathy of Prematurity:a Prospective Cohort Study
Brief Summary: The purpose of this study is to evaluate the safety and efficacy of oral/local propranolol in preterm newborns who diagnosed as early phase of retinopathy of prematurity (ROP).