Mainly your symptoms list could be caused by many different medical issues but
Iritis is inflammation of the iris
and it is associated some specific medical conditions eg Ankylosing Spondylitis, Reiter syndrome, Sarcoidosis, IBS, Lyme disease, Tuberculosis, Toxoplasmosis, Syphilis, Herpes simplex, Herpes zoster etc and worth considering....
Hope that helps.....