Is Blurry Vision a Side Effect of Victoza?
If you’re taking Victoza (liraglutide) to help manage type 2 diabetes, you may be wondering whether blurry vision could be one of its side effects. The short answer is: yes, it can happen — but the cause may vary.
Why Victoza Can Affect Your Vision
Blood Sugar Fluctuations
One of the most common reasons for blurry vision in people taking Victoza is changes in blood sugar levels.
Low blood sugar (hypoglycemia) can cause dizziness, headaches, confusion, and blurred vision.
High blood sugar (hyperglycemia) may also temporarily blur your sight as glucose levels affect the eye’s lens.
Rare but Serious Eye Concerns
In very rare cases, Victoza and other GLP-1 receptor agonists have been linked to non-arteritic anterior ischemic optic neuropathy (NAION), a condition caused by reduced blood flow to the optic nerve.
This may lead to sudden or severe vision changes that require immediate medical attention.
What You Should Do If You Notice Blurry Vision
Check your blood sugar right away to see if it’s too high or too low.
If your vision clears up after stabilizing your glucose levels, it’s likely related to sugar fluctuations.
If blurry vision persists, worsens, or appears suddenly, contact your doctor or an eye specialist promptly.
Key Takeaway
Yes, blurry vision can be a side effect of Victoza, most often due to blood sugar changes. While rare, more serious eye conditions are also possible. Monitoring your glucose levels, keeping up with regular eye exams, and speaking with your healthcare provider can help keep both your diabetes management and eye health on track.










