That is a worrisome story. I would see a neuro-ophthalmologist. You can find one near you by going to www.aao.org.
I'm surprised your cardiologist is not more unsettled by these symptoms. My feeling is that you will need an echo cardiogram, carotid doppler and and MRI/MRA of the head and blood work to include a sedimentation rate and C-reactive protein to at least tell you its nothing to worry about now.
Loss of vision in the eye is a big time symptom that necessitates a full court press to find the cause. One time the eye could go out and the vision not come back.
Find a neuro-ophthalmologist and have him/her and your cardiologist work through the testing. If they don't find anything and the episodes continue see a neurologist.
JCH III MD
Thanks for the reply, I'll see a neuro-opthamologist about this. I've had multiple echocardiograms, multiple MRA follow-up's for my aortic surgery, two stress echo's, and a carotid doppler. All have been normal and show that the repair is fine and I have no blockages or other issues. I also should note that I have severe myopia, about -10.0 diopters in both eyes with no significant astigmatism, and I wear both glasses (95% of the time) and contacts with no problems. I'm also don't have Marfan's or Ehler-Danlos, and have had a normal slit-lamp exam with no lens displacement.
FYI, I just set up an appointment with a local neuro-opthamologist, thank you very much for the web reference, it made it simple to find a specialist.
You're welcome. Hope it turns out well. If you find out something definite let us know. This can be a learning experience for all of us.
JCH III MD
I have just experienced the exact event. For the first time. Complete whiteout in right eye after waking in seated position, having exercised for an hour in a gym a few hours earlier. I am also on Metoprolol 50mgm daily, CAB graft ten years ago. I am male, 78, 73.5 kg, BP controlled by Simvastatin. Newly diagnosed type 2 diabetic not requiring medication.
Since I occasionally suffer syncope due to either (or both) orthostatic hypertension and hypo(I think)glycaemia, whiteouts are not uncommon to me, but always bilateral till today. I assume this is a TIA of the left optic nerve? No glaucome or headaches, but over the past few years have experienced some peculiar ocular things such as a massive scotoma, scintillation, and transient hypnopompic xanthopsia (for a few minutes after waking, everything seen in bright yellow). I'm myopic, but don't normally wear my glasses. I suppose, strictly, a whiteout can't be termed a loss of vision, even though I could only see a bright white light with apparently (according to my wife) no pupillary dilatation and only a vague outline of close objects in bright sunlight for the few minutes before normal vision was restored.