The iris is the coloured part of the eye, but it's the pupil that narrows and widens.
The colored, and muscular ring around the pupil in your eye. It narrows in bright light and widens when light is dim.It also controls the amount of light reaching the retina
The colored portion that regulates the amount of light in eye is called as iris. The hole through which light passes inside the posterior chamber is called as is called as pupil. The color of the iris changes as per color of the skin pigment. It has got circular muscles and radial muscles in it. In fight or flight responce, it is dilated through sympathetic nerve stimulation. In relaxed and stress free envirinment pupil is constricted via parasympathetic nerve stimulation.
The colored part of the eye is called the iris. The colored part of the eye is called the iris.
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 iris is the coloured part of the eye.
It is identical in action to the iris in your eye, it widens and narrows to allow only the required amount of light through the aperture hole/pupil
The colored part of the eye is called the iris.
the colored part of the eye is called the IRIS
The visible, colored part of the eye that controls pupil dilation is the iris.
The colored part of the eye is the Iris.
the cornea is the coloured part of the eye
The iris