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.
A magnetic resonance angiogram (MRA) uses magnetic and radio wave energy to take pictures of your blood vessels. This test is a type of magnetic resonance imaging (MRI). An MRA can show the location and severity of a blocked blood vessel. If you have a pacemaker, man-made joint, stent, surgical clips, mechanical heart valve, or other metallic devices in your body, you might not be able to have an MRA.