Regardingthe Lacrytest results (Table 2), in the IgE-mediated conjunctivitis groupsensitivity was 20%, specificity 100%, positive predictive value 100%, and negative predictive value 38.46%, while inVKC sensitivity was 88.88%, specificity 100%, positive predictive value 100%,and negative predictive value 93.75% (Table 3). The gene discussed is IGHE; the disease is conjunctivitis.