Well, first, you should know that the iris is made up of muscular fibers, which can control the amount of light entering the pupil, in that way, you can see clearly. And when it is inflamed, the ititis occur. To treat it, you can try some ways. For example, you should wear dark glasses if light worsens your eye pain. Also, you can take some mild analgesics, such as ibuprofen to help control some of the discomfort. By the way, the prescription medications should be used exactly as prescribed. anyway, you can just have a try.