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Weight Loss Pens: Anvisa Investigates Cases of Vision Loss

The National Agency for Health Surveillance (Anvisa) investigates 13 reports of suspected non-arteritic anterior ischemic optic neuropathy (Noia) in patients who used GLP-1 agonists class drugs, indicated for the treatment of diabetes and obesity.The records involve users of Ozempic, Wegovy, Rybelsus and Moungharo. The agency, however, emphasizes that the existence of a notification in which the patient used one of these drugs and presented the …

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Anvisa investigates 13 reports of suspected non-arteritic anterior ischemic optic neuropathy (Noia), a rare lesion in the optic nerve that can cause permanent loss of vision, in patients who used GLP-1 agonists class drugs, indicated for diabetes and obesity. The disease functions as a nerve infarction that binds the eye to the brain. Small vessels that irrigate it clog, part of the nerve cells dies and the vision of one of the eyes suddenly wor…

·Rio de Janeiro, Brazil
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Agency assesses 13 notifications of rare injury to optic nerve

Patients using GLP-1 agonists class drugs report a rare lesion that clogs vessels of the optic nerve. Read on Power360.

The National Agency for Health Surveillance (Anvisa) investigates 13 reports of suspected non-arteritic anterior ischemic optic neuropathy (Noia) in patients who used GLP-1 agonists class drugs, indicated for the treatment of diabetes and obesity.The records involve users of Ozempic, Wegovy, Rybelsus and Moungharo. The agency, however, emphasizes that the existence of a notification in which the patient used one of these drugs and presented the …

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Globo broke the news in Rio de Janeiro, Brazil on Sunday, September 27, 2026.
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