The iris of the eye can change color with age. There are some diseases that can change the color of your eye. You should be having regular eye checkups anyway so ask your eye doctor.
The iris.
Melanin. The amount and type of pigment in the iris of the eye causes the eyes color.
Iris does mean a color because it is a color in your eye.
The iris controls the size of the pupil. Which in turn, controls the amount of light entering the eye.
The iris is located in your eye. It is at the located at the front of the eye and is next to the pupil. It is usually coloured (e.g. brown, green or blue are the most common).
A sentence for iris is The iris of your eye is green and so pretty. or I planted an iris in my garden last year and it is now blooming.
Pigment in the iris, the color of which is gentically detemined.
Melanin. The amount and type of pigment in the iris of the eye causes the eyes color.
The colored portion of the eye is called the iris. The color of the iris can vary greatly. Some people have brown irises, others have blue, green, or hazel. These are the most common iris colors in humans.
Melanin. The type and amount of pigment in the iris of the eye causes the eye color.
Pupil controlled by iris which is in turn is controlled by cilliary muscle
The color of your Iris which can be brown black green blue or grey.