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 angiography (MRA) is one of the newer innovations in the field of magnetic resonance imaging (MRI). Whereas MRI is used to image various parts of the body-bones and joints, soft tissues, muscles, internal organs, and blood vessels, MRA is specifically intended to show the arteries and veins.