Background: It is not thoroughly clear that what is the exact etiology of pterygium. Recently. it has been illustrated that pterygium is a benign and destructive condition. The aim of this study was to examine the correlation between promoter hypermethylation of P15INK4band P16INK4a genes on progress of pterygium. https://www.getpureroutine.com/limited-deal-swisse-ultiboost-high-strength-magnesium-powder-berry-180g-supply-top-savings/