I think this sounds like what I have. Silent migraine. It can cause lots of temporary visual disturbances. Mine are scotomas (blind spots in visual field) and sometimes bright flashing arcs.
The same thing has happened to my brother three different times. I am anxious since I have MS.
Did you ever get a diagnosis? This happened to me too for like 20 minutes... It was so strange I wasnt sure if it was because I was looking at a smartphone screen for awhile & had been crying... It stopped and never came back... Seeing a Dr on Thursday for a physical so I will mention... Weird!!!
Hi i have just put a search in for this as its happening to me ! and your query came upwhen i googled it ! any diagnosis yet for your wife ?
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Thank you for your response to my question regarding my wife's weird neurological symptoms. The symptoms have not happened again since that day and she has since seen a doctor. At the moment, there is no diagnosis. Thanks
She needs to go to an emergency room IMMEDIATELY. There are several possibilities, some minor, but others are life-threatening.