TM is a 55-year-old woman who had a history of hypertension but stopped her medication because of side effects several years ago. She had not seen her doctor since that time but stated she checked herself on the “blood pressure machine at the grocery store” and it was normal. She presented with a history of an arc of red light in her vision for several days that had not gone away. Examination found visual acuity of 20/50 in the right eye. When she was instructed to look at the examiner’s face she stated that there was an “arc of blurring just below the nose.” The other eye had a visual acuity of 20/20. Fundus examination found a preretinal hemorrhage arching along the superior vasculararcades. This area of the retina could not be visualized with the ophthalmoscope.
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