Key Takeaways

Doctors have new insight into a high brain pressure disorder that can cause vision loss

Most with idiopathic intracranial hypertension lose vision due to swelling of the optic disc

Researchers developed a scorecard to predict how vision loss might affect patients

THURSDAY, Oct. 30, 2025 (HealthDay News) — Doctors think they’ve figured out a way to predict who might lose vision due to a high brain pressure disorder.

Idiopathic intracranial hypertension (IIH) occurs when there’s unexplained pressure buildup in the fluid that cushions the brain in the skull, researchers explain in the journal Neurology .

If untreated, IIH can lead to blindness, researchers said. It mainly affects women of childbearing age who are obese.

Researchers found that changes in the optic disc

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