Catalog
Degeneration of iris
Link to WHO Definition
Degeneration of iris – http://id.who.int/icd/entity/2032256272
This refers to the change of tissue to a lower or less functionally active form, of the thin, circular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina. The color of the iris is often referred to as "eye color."