Patients on Ozempic are developing a rare form of sudden blindness, doctors say

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• A new study suggests people on Ozempic or Wegovy may be more likely to suddenly go blind.
• The condition, called NAION, is still exceedingly rare. It's also painless and untreatable. 
• Blood sugar issues can impact our vision.

Eye doctors in Boston have started to notice a small but worrisome uptick in cases of a rare type of sudden blindness among patients taking semaglutide.