Blurry vision, ghost images and nighttime halos around lights all can be warning signs of eye problems. 1  A flood of spots and floaters in your field of vision. 2  A sensation that a dark curtain has settled across your field of view. 3  Sudden eye pain, redness, nausea and vomiting.  Double vision, double images or ghost images.
MR Angiography (MRA) MR angiography (MRA) uses a powerful magnetic field, radio waves and a computer to evaluate blood vessels and help identify abnormalities or diagnose atherosclerotic (plaque) disease.
MR Angiography. MR angiography (MRA) can be performed without the use of contrast or with contrast (gadolinium). Often both methods are utilized on the same exam. Most commonly, the aortic arch, great vessels, neck vessels, and intracranial vessels are evaluated.