Complications
In serious cases of ankylosing spondylitis, new bone develops as the body tries to heal. This new bone gradually closes the gap between the vertebrae and eventually joins sections of the vertebrae. Those parts of your spine become stiff and rigid. Fusion can also stiffen the rib cage, reducing the ability of the lungs to function properly.
Several complications are:
Eye inflammation (uveitis):
This is one of the most common complications of ankylosing spondylitis. Eye inflammation can lead to rapid-onset eye pain, sensitivity to light, and blurred vision. It is vital to visit the hospital immediately you observe these symptoms.