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The opening in the iris through which light passes is called the pupil. The pupil adjusts in size to regulate the amount of light entering the eye to ensure proper vision under different lighting conditions.

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1y ago

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The pigmented portion of the eye that has a rounded opening through which light passes is the?

The pigmented portion of the eye with a rounded opening through which light passes is the iris. The iris controls the size of the pupil, which regulates the amount of light entering the eye.


What part of the eye are opening in the iris through which light passes?

The pupil is the opening in the iris through which light passes into the eye. It dilates in low light conditions to allow more light in and constricts in bright light to limit the amount of light entering the eye.


What is the pigmented portion of the eye that has a rounded opening through which light passes called?

The Iris


What is opening in the iris through which light passes?

The opening in the iris is called the AQUEOUS HUMOUR. :] /according to other websites\ hope it helped; had a hard time finding my answer too. xD


The opening in the center of the iris?

The opening in the center of the iris is called the pupil. It is responsible for controlling the amount of light that enters the eye by dilating or constricting in response to different lighting conditions. This helps to regulate the amount of light that reaches the retina at the back of the eye for optimal vision.


Which structure's controls how much light passes through the specimen?

stage opening


How does the iris control the size of the pupil?

the iris


What is the iris diaphragm function on a compound light microscope?

the iris diaphragm controls the amount of light that passes through the stage and, consequently, through the specimen. Reducing the iris diaphragm aperture increases contrast for an image focused under high power by reducing the amount of light that both fills the objective lens and deracts around specimen edges. Opening the iris diaphragm under high magnification increases "flare", the appearance of light "washing out" an object. By decreasing the flow of light through the specimen, the iris diaphragm limits light defraction and saturation.


What is the function of the iris diaphragm of the mircroscope?

The iris diaphragm in a microscope controls the amount of light that passes through the specimen. By adjusting the size of the iris opening, you can regulate the brightness and contrast of the image being viewed.


What does light pass through when it enters the eyes?

Light passes through the cornea, the aqueous humor, the pupil (which is just an opening in the iris), the lens, and the vitreous humor on its path through the eye to the retina.


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.


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