Jan 14, 2026
What is the evidence linking PDE5 inhibitors to non‑arteritic anterior ischemic optic neuropathy (NAION)?
The published evidence linking phosphodiesterase‑5 (PDE5) inhibitors (sildenafil, tadalafil, vardenafil) to non‑arteritic anterior ischemic optic neuropathy (NAION) is mixed: epidemiologic meta‑analys...