This article covers the symptoms and causes of Webers syndrome.
You’ll also learn how this condition is diagnosed and treated.
What Are the Symptoms of Webers Syndrome?

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Webers syndrome can cause sudden weakness and vision changes, usually blurred or double vision, and eyelid droopiness.
Weakness in the muscles of the face, arms, and legs is also possible.
Generally, the severity of Webers syndrome symptoms depends on the severity of the midbrain injury.
Regardless, if you experience symptoms, seek medical care immediately.
A stroke normally affects only one side, while an infection or injury can affect one or both sides.
This interruption can damage thethird cranial nerve, a key motor nerve that helps control eye and eyelid movement.
Normally, only a branch of the artery is interrupted in Webers syndrome strokes, though severity can vary.
Whether Webers syndrome resolves in these types of cases will depend on the unique circumstances.
How Is Webers Syndrome Diagnosed?
In one study, combined DWI techniques improved midbrain infarction detection rates without extra time expenditure.
Your healthcare provider will guide yourrecoverydepending on the specifics of your case.
Your healthcare provider will be able to advise you on your prognosis.
If you have Webers syndrome due to a stroke, that means that you may have otherstroke risk factors.
It results from an injury to the midbrain, most often a stroke.
Less common causes include brain tumors, traumatic brain injury, and infection.
Get immediate medical help if you or someone else has symptoms of a stroke.
Treatment of the initial symptoms will be the first goal of emergency care.
Diagnosing Webers syndrome may require the use of special MRI imaging techniques.
Recovery will likely involve physical therapy to help regain any lost function.
Hatgaonkar A, Hatgoankar K, Jobanputra M, Desale P.Clinico-radiological correlation of Webers syndrome.Cureus.
2024;16(1):e51624.
doi:10.7759/cureus.51624
Parija S, Lalitha CS, Naik S.Weber syndrome secondary to brain stem tuberculoma.Indian J Ophthalmol.
2014;127(12):e5-e6.
2018;13(7):e0200092.
doi:10.1371/journal.pone.0200092
Centers for Disease Control and Prevention.Treatment and intervention for stroke.