IL6 and Acanthamoeba keratitis: IL-1α [46], IL-2 [47], IL-6 [48,49], IL-10 [46], IL-12 [50], IL-17 [46,51], IL-18 [52], and IL-23 [53] have roles in viral keratitis and IL-17 [54] in Acanthamoeba keratitis.