In contrast to KC populations 4 and 5, the expression levels of ARKC genes, including Rhob, Egr1, Lpcat2, Dyrk2, Hbegf, and Ncoa4, were negatively correlated with pro‐inflammatory cytokine gene expression in KC population 3 (Figure S4H). The gene discussed is HBEGF; the disease is keratoconus.