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Eye Anatomy Essentials: Learn the Parts of the Eye

Explore the intricate parts of the eye, from the retina to the choroid coat. Understand how the cornea refracts light, the role of the optic nerve, and the function of the ciliary muscles in focusing. Dive into the details of the vitreous humor and the sclera, gaining insights into the eye's structure and function.

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Eye Anatomy Essentials: Learn the Parts of the Eye

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  1. Eye See you!

  2. You need your comp. bk. **Write down the term and the definition as you see it written here. DO NOT shorten up the definition. This will be checked for a grade. Thank you in advance for following directions 

  3. Retina • contains photosensitive elements (called rods and cones); acts as a screen where the image is INVERTED (upside down)

  4. Sclera • a tough white tissue around the outside of the eye-ball.This is the "white of the eye".

  5. Aqueous humor • jelly-like substance located in the front of the eye.

  6. Optic nerve • A bundle of one million fibers that transmit information from the rod and cone cells of the retina to the brain.

  7. Cornea • Refracts (or bends) the light; clear structure at the front of the eye.

  8. Pupil • Tiny opening in the middle of the eye that leads to the retina. It is “clear” but appears to be “black.”

  9. Lens • Made up of tissue layers and is used for focusing the image onto the retina.

  10. Vitreous Humor • Jelly like substance located in the mid-part of eye • Has protein to nourish the eye • Gives the eye its shape

  11. Choroid coat (“choroids”) • Located behind the retina • Absorbs unused radiation

  12. Iris • The color part of the eye that can contract or expand depending on how much light is entering the eye.

  13. Ciliary Muscles aka ciliary body • a ring-shaped muscle attached to the iris • It contracts and relaxes which changes the shape of the lens.

  14. Suspensory Ligaments • Connects the ciliary muscle to the lens

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