Eyes Anatomy, Health, Function, Facts, Worksheets & Information ... - Free Printable

To solve this worksheet, we need to match the labels on the diagram of the eye with the correct terms from the list provided. Let's go through the parts of the eye step-by-step, starting from the front (left side of the image) and moving to the back (right side).

Step 1: The Front of the Eye (Left Side Labels)
Looking at the left side of the diagram, there is a stack of labels pointing to the front structures. Let's identify them from top to bottom based on their position:

1. Top Label: Points to the white outer layer of the eyeball. This is the Sclera.
2. Second Label: Points to the colored part of the eye that controls light entry. This is the Iris.
3. Third Label: Points to the clear opening in the center of the iris. This is the Pupil.
4. Fourth Label: Points to the clear, curved outer cover at the very front. This is the Cornea.
5. Fifth Label: Points to the muscle structure behind the iris that holds the lens. This is the Ciliary Body.
6. Sixth Label: Points to the fibers holding the lens in place. These are the Suspensory Ligament.
7. Seventh Label: Points to the clear fluid-filled space between the cornea and the lens. This contains the Aqueous Humor.

*Note: There is one more label at the very bottom left pointing to the large jelly-like substance filling the main part of the eye. This is the Vitreous Humor.*

Step 2: The Lens and Back of the Eye (Right Side & Center Labels)
Now let's look at the center and right side of the diagram.

8. Center Label (pointing to the oval shape): This is the clear structure that focuses light. It is the Lens.
9. Top Right Label (outermost layer): Points to the white outer coating at the back. This is also the Sclera (often labeled again to show it covers the whole eye). However, looking at the specific box placement, the top-most box on the right usually points to the Choroid (the middle layer) or the Retina depending on the line depth. Let's trace the lines carefully.
* The top-right box points to the middle layer (reddish/orange). This is the Choroid.
* The box below that points to the inner sensitive layer at the back. This is the Retina.
* The box below that points to the small pit in the center of the retina for sharp vision. This is the Fovea.
* The box below that points to the spot where the nerve exits (blind spot). This is the Optic Disk.
* The bottom-right box points to the blood vessel entering the eye. This is the Central Artery.
* The long tube exiting the back of the eye is the Optic Nerve.

Let's refine the matching based on standard anatomical diagrams and the specific lines in this image:

Left Side (Top to Bottom):
1. Line points to the white outer coat -> Sclera
2. Line points to the colored muscle ring -> Iris
3. Line points to the black opening -> Pupil
4. Line points to the clear front window -> Cornea
5. Line points to the structure behind the iris -> Ciliary Body
6. Line points to the threads holding the lens -> Suspensory Ligament
7. Line points to the fluid in the front chamber -> Aqueous Humor
8. Bottom-left line points to the big jelly blob -> Vitreous Humor

Right Side / Center (Top to Bottom roughly):
9. Top-right box points to the middle layer of the wall -> Choroid
10. Box below that points to the inner lining -> Retina
11. Box below that points to the central point of the retina -> Fovea
12. Box below that points to the head of the nerve -> Optic Disk
13. Bottom-right box points to the vessel inside the nerve area -> Central Artery
14. The label pointing to the clear oval in the middle -> Lens
15. The label pointing to the cable going to the brain -> Optic Nerve

Let's double-check the count. There are 15 blank boxes and 15 terms in the bank. Perfect.

Final Verification of Positions:
* Sclera: Outer white layer.
* Choroid: Middle vascular layer.
* Retina: Inner light-sensitive layer.
* Fovea: Central dip in the retina.
* Optic Disk: Where the nerve leaves the eye.
* Optic Nerve: The cable connecting to the brain.
* Central Artery: Blood supply running through the nerve.
* Vitreous Humor: Jelly filling the back.
* Lens: Focuses light.
* Suspensory Ligament: Holds the lens.
* Ciliary Body: Muscle controlling the lens.
* Aqueous Humor: Fluid in the front.
* Cornea: Clear front surface.
* Pupil: Hole in the iris.
* Iris: Colored part.

Here is the correct labeling for the worksheet blanks:

Left Side Blanks (from top to bottom):
1. Sclera
2. Iris
3. Pupil
4. Cornea
5. Ciliary Body
6. Suspensory Ligament
7. Aqueous Humor
8. Vitreous Humor (This is the lowest box on the left)

Right Side/Center Blanks (from top to bottom):
9. Choroid (Top box on the right)
10. Retina
11. Fovea
12. Optic Disk
13. Central Artery (Bottom box on the right)
14. Lens (Pointing to the center oval)
15. Optic Nerve (Pointing to the stalk at the back)

*(Note: Depending on exactly how the lines cross, the "Lens" label is typically the one pointing directly to the biconvex shape in the middle. The "Optic Nerve" is the large bundle exiting the back.)*

Final Answer:
Left Column (Top to Bottom):
1. Sclera
2. Iris
3. Pupil
4. Cornea
5. Ciliary Body
6. Suspensory Ligament
7. Aqueous Humor
8. Vitreous Humor

Right Column & Center (Top to Bottom):
9. Choroid
10. Retina
11. Fovea
12. Optic Disk
13. Central Artery
14. Lens
15. Optic Nerve