Eye Structure and Function

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<p>It refracts light more than the lens (C)</p> Signup and view all the answers

<p>Absence of light-sensitive cells (D)</p> Signup and view all the answers

The colored part of the eye that opens and closes around the pupil to control the amount of light entering the eye.

The opening in the center of the iris where light enters the eye.

The transparent structure that focuses light onto the retina. It changes shape to adjust focus.

The light-sensitive layer at the back of the eye that converts light signals into electrical signals for the brain to interpret.

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The nerve that carries electrical signals from the retina to the brain.

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Iris: The colored part of the eye, controlling the amount of light entering. It opens and closes around the pupil.
Pupil: The central opening in the iris, allowing light to enter the eye.
Lens: A structure that focuses light rays.
Retina: Converts light signals into electrical signals, transmitted to the brain via the optic nerve.
Optic Nerve: Carries electrical signals from the retina to the brain, creating a blind spot due to the lack of light-sensitive cells at its connection point to the eye.
Eye Muscles (Ciliary Muscles): Adjust the shape of the lens, enabling the eye to focus on near and far objects.
Cornea: A transparent outer layer that refracts light, focusing it more than the lens.