An optic nerve that has an injury cannot be fixed, so usually, if there is vision loss from ischemic optic neuropathy, it is permanent. Those with badly damaged optic nerves usually can still see ...

Ischemic optic neuropathy is a condition that causes sudden vision loss due to a lack of blood flow to the optic nerve. Ischemic optic neuropathy is most common in people age 50 and older.

Researchers found that among semaglutide users, the incidence rate of nonarteritic anterior ischemic optic neuropathy was 14.5 per 100,000 person-years. HealthDay News — For individuals with ...

Nonarteritic Anterior Ischemic Optic Neuropathy (NAION) What it is: A condition where there is sudden, painless vision loss due to decreased blood flow (ischemia) to the optic nerve head.

A novel gene therapy that leads to cellular rejuvenation could restore vision after non-arteritic anterior ischemic optic neuropathy (NAION) and glaucoma. The technique is based on a reprogramming ...

Use of once-weekly semaglutide more than doubles the risk for nonarteritic anterior ischemic optic neuropathy (NAION) in individuals with type 2 diabetes, according to a study published online Dec ...

A recent meta-analysis of 69 clinical trials found the risk for ischemic optic neuropathy from GLP-1 therapy is too low to be detected in patients with type 2 diabetes and/or obesity.

Nonarteritic anterior ischemic optic neuropathy—known as NAION—can cause sudden blindness when blood flow to the optic nerve is blocked. It’s not clear what causes the condition, ...

References: Cai CX, Hribar M, Baxter S, et al. Semaglutide and Nonarteritic Anterior Ischemic Optic Neuropathy. JAMA Ophthalmol. 2025 Feb 20:e246555. doi:10.1001 ...

HealthDay News — Semaglutide is associated with nonarteritic anterior ischemic optic neuropathy (NAION) among patients with type 2 diabetes (T2D) and those with overweight/obesity, according to ...

References: Hathaway JT, Shah MP, Hathaway DB, et al. Risk of nonarteritic anterior ischemic optic neuropathy in patients prescribed semaglutide. JAMA Ophthalmol. 2024 Jul 3. doi:10.1001 ...