IFNG and granular corneal dystrophy type II: Expression of IFN‐γ, IL‐17A, IL‐22 expressing T‐cells were shown in biopsies of nickel inflamed skin by flow cytometry and immunohistochemistry, confirming the role of these cytokines in nickel ACD, however, type 2 cytokines were not analysed in these studies.15, 26