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What controls the size of the pupil in the human eye?
The size of the pupil in the human eye is controlled by the iris, which is a ring of muscle that can expand or contract to adjust the size of the pupil.
Is it possible to break your pupil?
Eye trauma can damage the muscle that controls pupil size.
What contains muscle that controls the size of the pupil?
iris
What is the name of the dark part of the eye that changes its size to let in light?
The pupil absorbs light.
What is the colored ring of muscle that controls the size of the pupil is called?
The Iris.
Th color ring of muscle that controls the size of the pupil is called?
The color ring of muscle that controls the size of the pupil is called the iris. It can expand or contract to regulate the amount of light entering the eye.
What are the rings of muscle around the pupil gives the eyes color?
it is known as Iris. contraction or relaxation of iris alters the size of pupil.
Smooth muscle that controls light intensity?
The smooth muscle in the iris of the eye controls the size of the pupil, which regulates the amount of light entering the eye. When this muscle contracts, the pupil constricts, reducing the amount of light that enters the eye, and when it relaxes, the pupil dilates to allow more light in.
What causes a pupil to open and shut?
The pupil size is controlled by the iris muscles. In bright light, the iris constricts the pupil to reduce the amount of light entering the eye. In dim light, the iris dilates the pupil to allow more light to enter. Emotional responses or changes in focus can also affect pupil size.
What happens when The radial muscles of the iris contract?
When the eye is stimulated by bright light, the circular muscle of the iris contracts, decreasing the size of the pupil.
What is the opening at the front of the eye through which light passes?
The opening at the front of the eye through which light passes is called the pupil. The pupil changes size to regulate the amount of light entering the eye by contracting in bright light and dilating in dim light.
What structure regulates the amount of light that goes into the eye by controlling the size of the pupil?
The iris, which is the colored part of the eye, regulates the amount of light that goes into the eye by controlling the size of the pupil. The muscles in the iris can expand or contract the pupil in response to changes in light intensity.
