CXCL8 and exfoliation syndrome: For pseudoexfoliation glaucoma, IL-4, IL-6, IL-8, IL-16, CCL13, CCL15, CCL22, CCL24, CXCL13, and CXCL16 were elevated (Chua et al., 2012; Ghanem et al., 2011; Kuchtey et al., 2010; Sawada et al., 2010)