Migraine and Glaucoma: Causal Link or Clinical Coincidence? - Takeaways - MDSpire
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Migraine and Glaucoma: Causal Link or Clinical Coincidence?

New study challenges the idea that migraine directly increases glaucoma risk

  • August 13, 2026

  • 4 min

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  • 1

    A genetic analysis found no causal relationship between migraine and glaucoma using bidirectional Mendelian randomization.

  • 2

    Previous studies reported mixed results, with some indicating a higher risk of glaucoma in migraine sufferers.

  • 3

    The study utilized substantial sample sizes, including 184,654 individuals for migraine and 218,792 for glaucoma.

  • 4

    Sensitivity testing confirmed the null results, indicating no causal effect of glaucoma on migraine or vice versa.

  • 5

    The authors suggest that shared biological mechanisms exist, but these do not imply that one condition causes the other.

Original Source(s)

Migraine and Glaucoma: Causal Link or Clinical Coincidence?

  • August 13, 2026

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