The iris is not at the back of the eye. The structure at the back of the eye (on the inside) is called the retina. That's the part that senses light. The iris is a structure at the front of the eye, consisting of a ring of muscle with an opening in the center, called a pupil. The iris can shrink the pupil, to admit less light, or expand the pupil to a larger size to admit more light. Eye color is deterimned by the iris. It is the only colorful muscle.
The retina is a portion of the back of the eye. Sometimes there is uneven pigmentation. It is nothing to worry about medically.
The colored part of the eye is called the iris. The black dot in the middle is the pupil which is covered by the lens.
The colored part of the eye is called the iris. The colored part of the eye is called the iris.
It is called the iris
posterior chamber
Posterior chamber
Iris does mean a color because it is a color in your eye.
The iris of a bird is the eye.
The coloured (or pigmented) part of the eye is the iris.
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).
The colored part of the eye is the Iris.
The coloured part of your eye is called the iris.