“…1,2,6 An increase in eosinophil counts after dupilumab administration might be another mechanism, as eosinophilic factors are elevated in the tears of patients with allergic conjunctivitis. 5,7 IL-13 inhibition might be another possible mechanism because it has been implicated in ocular mucus production and the regulation of conjunctival goblet cells and, therefore, the quality of tears. 5,8 In a phase II trial of lebrikizumab, a monoclonal antibody against IL-13, a trend for increased conjunctivitis was also noticed.…”