Background Retinopathy of prematurity (ROP) is a proliferative disease of the ocular retinal vasculature in premature infants. being a leading cause of preventable childhood blindness. The COVID-19 pandemic serves as an additional barrier to access to care and referral. potentially leading to more cases of advanced stage ROP. https://parisnaturalfoodes.shop/product-category/4-ferrum-phos-6x/