2.5 years post primary rhinoplasty and I have a dark line across the middle of nose - what could be going on? (photos)

My rhino is a disaster. My nose had 3 Kenalog injections, in months that followed the surgery. Since then, my nose has lost any refinement & is so swollen! I do Not wear glasses and have never bumped it or hit it. Why would I have a dark line across the middle? Bone issues? Necrosis? Nothing makes it go away. Besides the aesthetic failure, is there something else that is going on?