Abbreviations: CI = Confidence Interval; GLP-1 RA = Glucagon-Like Peptide-1 Receptor Agonist; HR = Hazard Ratio; IRR = Incidence Rate Ratio; NAION = Nonarteritic Anterior Ischemic Optic Neuropathy; OR = Odds Ratio; RR = Relative Risk; USA = United States of America. The gene discussed is GCG; the disease is anterior ischemic optic neuropathy.