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Because The purpose of the pupil is to allow light in, depending on whether it is bright, or dark. If it were a solid dot, it would most likely not be able to contract, and so on.

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14y ago

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What is the little black dot in the center of your eye and what does it do?

The little black dot in the center of your eye is called a pupil. The pupil is basically a hole in our eye that light enters through and makes it so that you see. But really on the inside of your eye you are looking upside down.


Name of hole that light can go through in the eye?

the name of the hole that allows light to go through into your eye is: pupil


What is the dot on the eye called?

Answer:The "black dot" in your eye is called a "pupil", it contracts and widens to regulate the amount of light entering the eye. It is really just a hole in the center of your eye that allows light to pass through, that is really it.


What is a dot on an eye called?

It is called a pupil.


What is the black dot in your eyes?

its called your pupil.


What is the homograph word for pupil?

A homograph for "pupil" is "pupil," which can also refer to the small, dark hole in the center of the eye.


What part is the white of the eye?

The white part of the eye is the sclera, the colored part is the Iris, and the 'black dot' (which is actually just a hole reaching the back of the eye) is the pupil


Where is your pupil?

in the center of your eyes -its the small black dot


Is it possible to get your pupil pierced without becoming blind?

Yes, the pupil is a hole. In some medical procedures the doctor sticks a long needle into the pupil to do certain things to the brain, depending on the procedure. And since the pupil is a hole when they stick the needle into your pupil it won't hurt you.


Black small dot in your left eyes?

Its called a pupil.


What is the black hole in the center of the iris?

The black circle in the middle of the iris in your eye is called a pupil. It dilates to adjust with sunlight.


Is the eye pupil a hole?

The pupil is the lack of Iris, or in other words, a hole.Of course there is a hole but what people see as the pupil is the transparent cornea. There is no hole into the eye.