Title: What is the cause of this patient's decreased vision?<br/>Author: WanTsu Wendy Chang<br/><a href='http://umem.org/profiles/faculty/1322/'>[Click to email author]</a><hr/><p>   <span style="font-family:gotham, helvetica, arial, sans-serif;font-size:14px;">50 YOF with acute onset of worst headache of life associated with nausea and vomiting.  Patient is somnolent, will rouse to noxious stimuli and complains of a headache as well as decreased vision.</span></p>  <p>   <span style="font-family:gotham, helvetica, arial, sans-serif;font-size:14px;"><img alt="" src="http://umem.org/files/uploads/content/pearls/neuro/20170712_Figure.jpg" style="width: 442px; height: 442px;" /></span></p>  
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