Welcome to this forum
I have read that Iritus is an anto immune disease as is AS. Unfortunately if you have one auto immune condition you are susceptable to others
I am suspicious though of the drugs we take. I didn't get eye probs(detatched vitreous) until I started Rituximab-an infusion once or twice a year.
Some sites that may answer your question:
Here is a snippet from this site-
So , the main treatment of iritis are medicines to cause dilatation of the iris so that even if it sticks to the lens, it does so when the pupil is fully dilated. Other treatment includes steroids to decrease the inflammation of the iris and prevent stickiness. Steroids may be in the form of eyedrops or oral medicines. The Econopred that you are using is a steroid.
To know more about iritis, please see;
Hope this helps
As to Humira helping, I wouldn't think so.
All the best