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.diegojavierfares.com/limited-save-Ashwagandha-Extract-60Veggie-Caps-top-grab/