VEGFA and retinopathy of prematurity: Among the 138 included premature infants with ROP, 61 achieved the treatment threshold, including 49 patients with ROP in zone 2 or zone 3 who underwent retinal laser photocoagulation and 12 with ROP in zone 1 or AP-ROP who were given anti-VEGF drug (Ranibizumab) via intraocular injections.