IF A vein in the retina gets blocked, it’s not just your eyesight that’s at
risk: the pressure can be so painful that the whole eye has to be removed. Now
researchers at Stanford University in California believe they may be able to
treat the problem with a new instrument that uses a plasma to fire tiny bullets
of blockage-dissolving drugs into a clogged vein.
Like the blockages in blood vessels that cause heart attacks, “occlusions” in
retinal veins are one of the most common retinal problems—apart from those
caused by diabetes—says Rodney Grey, a surgeon at the Bristol…
