The EMA’s safety committee has issued a warning that the GLP-1 receptor agonist Ozempic (semaglutide, Novo Nordisk A/S) can cause an acute eye condition in which the optic nerve is damaged by a sudden loss of blood supply. After reviewing several large epidemiological studies, clinical trial and in-market data, EMA’s Pharmacovigilance Risk Assessment Committee has concluded non-anterior ischemic optic neuropathy is a “very rare” side effect of Ozempic, that “may affect up to one in 10,000 people taking semaglutide.