Case of the week:
A healthy female in her 50s presents with painless vision loss in the left eye. She had an altitudinal visual field defect in the left eye and optic nerve swelling with a peripapillary hemorrhage.
Initial Diagnosis prior to referral to Neuro-Ophthalmology: NAION
Actual Dx: 2 cm massive ICA supraclinoid aneurysm compressing the left optic nerve.
The patient was sent to the hospital and had an emergent aneurysm coiling avoiding a catastrophic outcome.
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