The iris is the colored part of the eye that surrounds the pupil. In this article, learn more about the part of the eye responsible for seeing color, its anatomy, and functions.

Iridology represents the study of carefully mapped sections of the iris and the assigned organ systems represented by those areas.

Synechiae are adhesions of the iris to ocular structures, which can cause issues of aqueous blockage, pupil dilation and more. Anterior synechiae are at the angle of the eye where the peripheral ...