Everything I've read says biologics do more to prevent disease progression than NSAIDs.

NSAIDs can control uveitis for some people. www.uveitis.org, founded by world renown uveitis specialist Dr Stephen Foster, has a lot of good information on uveitis. This is a link to a document on that site where Dr Foster explains his approach to uveitis treatment, which includes the use of NSAIDs: http://www.uveitis.org/wp-content/uploads/2017/09/Therapeutic-Algorithm-for-Recurrent-Anterior.pdf

Ginny - 58 year old female
Dx with USpA in March 2013; changed to AS in July 2015
Iritis and Scleritis, both currently in remission
unicompartmental knee replacements: right-June 2014, left-Aug 2018
MTX, Humira, Cyclobenzaprine, plus Celebrex as needed
Supplements: Folic Acid, Vitamin A, Vitamin D, Calcium, Fish Oil, Culturelle probiotic, Melatonin (as needed)