VEGFA and retinopathy of prematurity: Some of the observational studies of higher quality concluded that rates of ROP recurrence were greater in the intravitreal anti-VEGF injection group [19], while others reported similar ROP recurrence rates between the two treatment groups [29, 45, 48], and others concluded that rates of ROP regression were greater in eyes treated with intravitreal anti-VEGF injections [50].