Acute Visual Loss - Case 1

A 52 year old healthy female presents to your office with a 4 day history of flashing lights (photopsia) and floaters in her left eye (OS). She also complains of a curtain-like defect in her field of vision OS.

On examination her visual acuity is 20/20 bilaterally.  Visual field testing by confrontation was normal OD, but there was a nasal defect OS.   Pupils were of equal size and constricted equally to light.  Funduscopy was normal OD and had the following appearance OS.

Acute Visual Loss - Case 1

What is your diagnosis in this case?

scintillating scotoma of migraine
vitreous detachment
retinal tear
retinal detachment
none of the above