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.
Causes of iritis. There are many things that could cause iritis to occur: 1  Injury or trauma to the eye. 2  Iritis is associated with other autoimmune diseases, such as Ankylosing spondylitis, Reactive arthritis (Reiters syndrome), psoriatic Arthritis, irritable Bowel disease and Crohnâs disease.auses of iritis. There are many things that could cause iritis to occur: 1  Injury or trauma to the eye. 2  Iritis is associated with other autoimmune diseases, such as Ankylosing spondylitis, Reactive arthritis (Reiters syndrome), psoriatic Arthritis, irritable Bowel disease and Crohnâs disease.