Delta is located at 41Â°19â²27â³N 92Â°19â²46â³Wï»¿ / ï»¿41.32417Â°N 92.32944Â°Wï»¿ / 41.32417; -92.32944 (41.324112, -92.329481). According to the United States Census Bureau, the city has a total area of 0.93 square miles (2.41 km 2), all of it land.
Iritis (i-RIE-tis) is inflammation that affects your eye's iris, the colored ring surrounding your pupil.The iris is a part of the middle layer of the eye (uvea), so iritis is a type of uveitis, sometimes called anterior uveitis.The cause of iritis is often unknown. Sometimes iritis results from an underlying systemic condition or genetic factor.ritis (i-RIE-tis) is inflammation that affects your eye's iris, the colored ring surrounding your pupil.
Iritis Causes. Iritis may be a consequence of trauma (traumatic iritis) or nontraumatic causes: Blunt trauma to the eye can cause traumatic inflammation of the iris. Nontraumatic iritis is frequently associated with certain diseases, such as ankylosing spondylitis, Reiter syndrome, sarcoidosis, inflammatory bowel disease, and psoriasis.