Eye Anatomy Flashcards
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Eye Anatomy Flashcards

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Questions and Answers

What does the optic nerve do?

  • Transmits visual signals to the brain (correct)
  • Controls the size of the pupil opening
  • Covers the front of the eye
  • Holds the lens in place

    • What is the sclera?

    White of the eye

    What is the function of the cornea?

    The clear tissue that covers the front of the eye

    What does the lens do?

    <p>Focuses light onto retina</p> Signup and view all the answers

    What is the role of the suspensory ligaments?

    <p>Hold the lens in place</p> Signup and view all the answers

    What is the pupil?

    <p>The adjustable opening in the center of the eye through which light enters</p> Signup and view all the answers

    What is the iris?

    <p>A ring of muscle tissue that forms the colored portion of the eye around the pupil</p> Signup and view all the answers

    What is the vitreous humor?

    <p>A jelly-like material that helps maintain the eye's shape and optical properties</p> Signup and view all the answers

    What is the blind spot?

    <p>The point at which the optic nerve leaves the eye, creating a blind spot because no receptor cells are located there</p> Signup and view all the answers

    What is the retina?

    <p>The light-sensitive inner surface of the eye, containing the receptor rods and cones</p> Signup and view all the answers

    Study Notes

    Eye Anatomy Key Terms

    • Optic Nerve: Vital for vision, this nerve transmits visual signals from the eye to the brain for processing.

    • Sclera: Known as the "white of the eye," it provides structural support and protection to the eyeball.

    • Cornea: Transparent layer that covers the front of the eye, playing a critical role in focusing light.

    • Lens: Flexible, transparent structure that focuses light rays onto the retina, adapting shape to allow for clear vision at varying distances.

    • Suspensory Ligaments: Connects the lens to the ciliary body, maintaining lens position and aiding in focusing by adjusting tension.

    • Pupil: The central opening of the eye that regulates the amount of light entering; its size changes in response to light intensity.

    • Iris: The muscular, colored part surrounding the pupil; it controls the size of the pupil to adjust light intake.

    • Vitreous Humor: Gel-like substance filling the eye's interior; it maintains the shape of the eyeball and helps keep the retina in place.

    • Blind Spot: The specific area where the optic nerve exits the eye; lacks receptor cells, resulting in an absence of visual perception at that point.

    • Retina: The light-sensitive layer at the back of the eye, containing rods and cones for detecting light and color, as well as neurons for processing visual inputs.

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    Description

    Test your knowledge of the key components of the eye with this flashcard quiz. Each card features a term related to eye anatomy, along with its definition. It's a great way to reinforce your understanding of visual structures.

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