In addition to height and weight, following health data information were collected using a questionnaire: amblyopia, glaucoma, dry eye, hypertension, hypothyroidism, hyperthyroidism, diabetes mellitus, nicotine consumption, alcohol consumption, GnRH analogs, therapy with aromatase inhibitors, chemotherapy, and antibody therapy (Table 2). The gene discussed is GNRH1; the disease is dry eye syndrome.