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.
(Magnetic Resonance Angiogram, MRA) What is an MRA? You might be familiar with the testing procedure called magnetic resonance imaging (MRI). In this test, radio waves, a magnetic field, and a computer create a scan of your body parts to look for health problems.