iris
The Iris.
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.
The opening that is controlled by the muscles of the iris is called the pupil. The iris is responsible for adjusting the size of the pupil in response to different lighting conditions.
The dark hole in the center of your eye is called the pupil. It is an opening that allows light to enter the eye and reach the retina at the back of the eye. The size of the pupil can change in response to varying levels of light.
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.
The opening hole of the eye is called the pupil. It is the black circular opening located in the center of the iris that allows light to enter the eye. The size of the pupil can change in response to different lighting conditions and emotions.
The colored muscular diaphragms that surround the pupil are called the iris. They control the size of the pupil to regulate the amount of light entering the eye.
The colored bit is called the iris, and is actually a muscle. it expands and contracts to make the pupil (black bit) either smaller or larger, depending how much light there is. the brighter the outside would is, the smaller the pupil gets.
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.
It's called the iris.
the colored part of human eye that controls how much light passes through the pupil is called the?