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 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.
Pigmentation behind the eye can be due to various reasons, including melanin deposits, inflammation, or presence of blood. It can be a benign finding or may indicate an underlying condition which requires further evaluation by an eye care professional.
posterior chamber
Posterior chamber
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 opening in the center of the iris is called the pupil. It is responsible for controlling the amount of light that enters the eye by dilating or constricting in response to different lighting conditions. This helps to regulate the amount of light that reaches the retina at the back of the eye for optimal vision.
The lens in your eye is located behind the iris, in the front part of the eye just behind the cornea. It helps focus light onto the retina at the back of the eye, allowing you to see clearly at different distances.
The colored part of the eye is the Iris.
iris