Protective effect of smoking against pterygium development in men: a nationwide longitudinal cohort study in South Korea.
Tyler Hyung Taek RimDong Wook KimChing-Yu ChengSung Soo KimPublished in: BMJ open (2017)
Longitudinally, cigarette smoking was associated with a reduced risk of pterygium, and this protective effect was more pronounced among current smokers than among past smokers.