GLP-1 Drugs Linked to Faster Vision Loss in the Second Eye, New Study Finds

What readers are saying

OldMarty
The researchers note GLP-1 users had higher blood sugar levels by 1.0 to 1.4 percentage points - meaning worse diabetes control might be doing the damage, not the drug itself. That's the actual story being buried under the headline.
Kevo
So they found a link but still can't say the drugs cause it. Frustrating.
daz59
The study tracked data from 2015 to 2025 across both before and after GLP-1 became popular, and the pattern held steady either way. That's worth knowing when you're wondering if it's just hype.
maz1966
The researchers admit the GLP-1 group had significantly higher A1C levels than the others. It is just as likely that poorly managed blood sugar caused the rapid nerve damage rather than the medication itself.
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