UMEM Educational Pearls

Category: Neurology

Title: Sunset Eye Sign

Keywords: Up-gaze paresis, ophthalmoparesis, hydrocephalus, shunt malfunction (PubMed Search)

Posted: 3/9/2016 by WanTsu Wendy Chang, MD
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Sunset Eye Sign

The "sunset eye sign" can be seen in patients with increased intracranial pressure related to obstructive hydrocephalus or shunt malfunction.
It describes an up-gaze paresis caused by compression of the dorsal midbrain.
The lower portion of the pupil may be covered by the lower eyelid, appearing like a setting sun.