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The Ophthalmologist / Issues / 2026 / July / Calcium Channel Blockers and POAG Risk
Glaucoma Research & Innovations News

Calcium Channel Blockers and POAG Risk

Common blood pressure drugs could increase risk of glaucoma progression, warns new study

7/1/2026 2 min read

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5 Key Takeaways
  • 1

    Calcium channel blockers (CCBs) may increase the risk of progression to severe primary open-angle glaucoma (POAG), according to a large retrospective cohort study.

  • 2

    The study analyzed data from over 7,400 patients with mild to moderate POAG, comparing those using CCBs to matched controls.

  • 3

    Dihydropyridine CCBs (dCCBs) users had a 67% higher relative risk of progression to severe POAG compared to controls.

  • 4

    Nondihydropyridine CCBs (ndCCBs) users showed more than a threefold increased risk of progression to severe POAG.

  • 5

    The study authors noted that their findings do not establish causation and highlighted several limitations in their research.

This content is an AI-generated, fully rewritten summary based on a published scholarly article. It does not reproduce the original text and is not a substitute for the original publication. Readers are encouraged to consult the source for full context, data, and methodology.

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