The iris is a circular, pigmented membrane that provides the eye its color and the opening in the center is the pupil of the eye.
The iris is made up of muscular fibers that control the amount of light entering the pupil so that you can see clearly. The iris accomplishes this task by making the pupil smaller in bright light and larger in dim light.
By Amanda GreeneLearn how to keep your vision strong
March is National Save Your Vision Month, which is a good reminder not to take healthy eyesight for granted. “When you’re seeing well and have no irritation, it’s easy to forget about going to the eye doctor,” says Pamela Lowe, OD, FAAO. But preventing eye disease is so important—often, if you wait until you notice a problem, it can be too late. Luckily, there are plenty of simple things you can do each day to keep your sight in tip-top shape...
What symptoms should I call you about between visits?
Iritis Exams and Tests
The diagnosis of iritis is confirmed by examining the eye with a slit lamp (a special microscope designed for eye exams). Your ophthalmologist can see cells (white blood cells) and flare (particles of protein) in the fluid that is produced in the eye.