Coil embolization describes a minimally invasive surgical procedure for the treatment of cerebral aneurysms and fistulas. A tiny coil is passed to the brain through a catheter inserted in the groin and disconnected from the catheter to prevent blood flow to the aneurysm or fistula. One or more platinum coils are left in place to prevent the aneurysm from rupturing. Reduced blood flow to the brain can impair binocular vision...Read more