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Does the iris controls the size of the pupil?
The iris is like a contractile structure of smooth muscles which surround the pupil. The sphincter pupillae, one of the smooth muscles categories of the eye, causes constriction of the pupil. The dillator pupillae, the other category of smooth muscles of the eys, causes the pupil to dilate.
When describe someones eyes as blue technically you are referring to his or her blue?
iris, which is the colored part of the eye surrounding the pupil.
What is colored part in the eye called?
The black bit in you'r eye is called a pupil, the brown, green or blue bit around you'r pupil is called an iris.When you look into light you'r pupil gets smaller, but when you look into the dark you pupil get bigger.The reason for this is because you'r pupil is where you see out of, so when it is in the light you can see most things because there is a light and when it is dark you'r pupil gets bigger because you need to see more because it is darker and if you'r pupil was small at that time you would find it hare to see.
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.
What is the role of pupil in a human eye?
The pupil is circular opening located in the center of the iris (the colored part of the eye). It controls the amount of light that enters the eye.In bright light, muscles in the iris cause the pupil to become smaller, so that less light enter the eye, i dim light, the pupil becomes larger so that more light can enter the eye.
What is the name of the coloured muscular diaphragms that surround and control the size of the eyes pupil?
It's called the iris.
Name for coloured muscular diaphragms that surround the pupil?
The structure which is most prominent in the eyeball, surrounding the pupil is the "IRIS". It gives the eye its color and helps in dilating and constricting the pupil.
What is the ring around your pupil called?
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.
What is 'irie'?
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
What causes difference in the coloration of your eye pupil?
The pupil is allways black. The iris is the colored part.
Colored part of the eye that contracts or relaxes in response to light?
The Iris contains the muscles that control Pupil size.
What structure is the visible colored part of the eye that controls pupil dilation?
The visible colored part of the eye that controls pupil dilation is the iris. The iris regulates the size of the pupil in response to light conditions and helps to control the amount of light that enters the eye.
What is the colored portion of the eye surrounding the pupil?
It is called the iris
The colored part of the human eye that controls how much light passes through pupil is called?
the colored part of the human eye the controls how much light passes through the pupil is calles the
What is the colored part of the eye color called?
The color of your eye is called the color of your eye.DUMMY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The colored ring of muscles that controls the size of the pupil is called?
iris
Is orbit a colored circular structure around the pupil?
No it is called the iris.
