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It is the eye's pupil, which is the hole that lets in light, and is in the centre of the iris.

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What is a circular colored band of muscles that regulates the opening of the eye?

The iris is the circular colored band of muscle that controls how much light enters the eye. The color of the iris is determined by genetics and heredity.


What is the circular opening in the roof of the Pantheon called?

The circular opening in the roof of the Pantheon is called the oculus. It serves as the main source of light and ventilation for the building.


Colored part of the eye that contracts or relaxes in response to light?

The Iris contains the muscles that control Pupil size.


What is the part of the eye that adjusts to let light enter called?

lens, the concave disk held by the ciliary muscles, found behind the opening of the pupil, can't miss it!


What structure is the opening that allows light to enter the eye?

The iris has an opening, called the pupil, through which light enters the eye.


What is the definition of the word Halo?

A circular band of colored light around a light source, as around the sun or moon, caused by the refraction and reflection of light by ice particles suspended in the intervening atmosphere


The opening hole of the eye is called the?

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.


What is the circular opening of the eye which controls the amount of light that enters the eye?

The circular opening of the eye that controls the amount of light entering is called the pupil. It dilates in low light to allow more light to enter and constricts in bright light to reduce the amount of light entering the eye.


What is a pupil reference?

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What controls the amount of light that enters the eyes?

The pupil contracts or expands (dilates) to regulate the entry of light to the retina in the eye.The iris or colored part of the eye is what controls the diameter of the pupil by covering or uncovering it.


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 homophone of light colored?

The homophone of "light colored" is "light-coloured."