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.
What To Expect Before a Stent Procedure. Most stent procedures require an overnight stay in a hospital and someone to take you home. If you have diabetes, kidney disease, or other conditions, ask your doctor whether you need to take any extra steps during or after the procedure to avoid complications.