A 35-year-old woman complained of headache, reduced visual acuity, restricted visual field in the right eye and blindness in the left eye. The examination of the retina showed papilledema and peripapillary hemorrhages in both eyes. Magnetic resonance imaging (MRI) revealed a sinus thrombosis. Despite modern imaging technologies sinus thrombosis is an often overlooked, life-threatening disease and needs immediate treatment in order to avoid long-term consequences. An ophthalmological examination can be pioneering as it leads to further imaging.
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