Infants born prematurely at will be asked to participate in this randomized controlled trial at a corrected gestational age of 24-37 weeks. Infants will be randomly selected to each of the two groups: intervention and control. Infants in the treatment group will rec...

Type 1 retinopathy of prematurity in zone I represents the most severe type of ROP and has the worst prognosis. It is unknown whether low-dose bevacizumab will be successful in these severe cases. Also unknown is the timing and extent of peripheral retinal vasculariz...