PRDX1 and pterygium: In comparison to healthy subjects (PRDX1, 2, and 5), it has been more frequently expressed in inflammatory conditions of the ocular surface and in the tear film associated with DE, as shown by pterygium biopsies (peroxiredoxin 1 and 2) (Acera et al., 2011; Soria et al., 2013; Jee et al., 2014; Klebe et al., 2014).