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Let’s go step by step to label the human eye diagram using the Word Box.

We’ll start from the front of the eye (the part you see when looking at someone) and move toward the back.

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Front of the Eye (Right Side in Diagram):

1. The very clear, curved outer layer at the front → CORNEA
2. Behind the cornea is the colored part → IRIS
3. The black hole in the center of the iris → PUPIL
4. Behind the pupil is a clear, round structure that focuses light → LENS
5. Tiny fibers holding the lens in place → LIGAMENTS

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Middle/Back of the Eye:

6. The big jelly-like space filling most of the eye → VITREOUS
7. A thin channel running through the vitreous → HYALOID CANAL
8. The inner lining at the back that senses light → RETINA
9. The spot where the optic nerve leaves — no photoreceptors here → BLIND SPOT
10. The bundle of nerves carrying signals to the brain → OPTIC NERVE
11. Blood vessels going into/out of the eye → ARTERY AND VEIN

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Outer Layers & Muscles:

12. The white, tough outer coat of the eye → SCLERA
13. The middle layer between sclera and retina → CHOROID
14. Muscle on top that moves the eye up → UPPER RECTUS MUSCLE
15. Muscle on bottom that moves the eye down → LOWER RECTUS MUSCLE

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Now let’s match these to the blank boxes based on their positions in the diagram:

Starting from the top right and going clockwise around the eye:

- Top right box (pointing to outer white layer) → SCLERA
- Next box down (pointing to middle layer) → CHOROID
- Next (innermost back layer) → RETINA
- Then (black dot area) → BLIND SPOT
- Then (bundle exiting back) → OPTIC NERVE
- Below that (blood vessels) → ARTERY AND VEIN
- Bottom right (muscle under eye) → LOWER RECTUS MUSCLE
- Bottom center (jelly inside) → VITREOUS
- Bottom left (channel in jelly) → HYALOID CANAL
- Left side middle (muscle above eye) → UPPER RECTUS MUSCLE
- Top left (outer white layer again) → SCLERA *(already used? Wait — actually, this might be pointing to the same sclera but different section — still correct)*
- But wait — we have two “SCLERA” labels? No — look again: one points to the outer wall near the front, one near the back — it’s the same structure, so both can be labeled SCLERA if needed. But in standard diagrams, they usually only label it once. Let’s check the word box — “SCLERA” appears only once. So perhaps one of those is meant for something else?

Wait — let’s reassign carefully by position:

Actually, let’s list all 15 blanks and assign them logically:

There are 15 blank boxes total.

Word Box has 15 terms:

PUPIL
CORNEA
IRIS
LENS
LIGAMENTS
SCLERA
VITREOUS
UPPER RECTUS MUSCLE
HYALOID CANAL
OPTIC NERVE
BLIND SPOT
ARTERY AND VEIN
LOWER RECTUS MUSCLE
RETINA
CHOROID

Perfect — 15 terms, 15 blanks.

Let’s number the blanks as they appear in the image (approximate order):

From top right, going clockwise:

1. Points to outer white layer at top → SCLERA
2. Points to middle dark layer → CHOROID
3. Points to inner back layer → RETINA
4. Points to small circle at back (where nerve exits) → BLIND SPOT
5. Points to thick cord leaving back → OPTIC NERVE
6. Points to red/blue lines entering back → ARTERY AND VEIN
7. Points to muscle below eye → LOWER RECTUS MUSCLE
8. Points to large central cavity → VITREOUS
9. Points to line inside vitreous → HYALOID CANAL
10. Points to muscle above eye → UPPER RECTUS MUSCLE
11. Points to outer white layer at front-top → SCLERA ← Wait, duplicate? But we only have one “SCLERA” in word box. Hmm.

Actually, looking again — maybe box #11 is pointing to the cornea? No — cornea is at the very front.

Let me try labeling from front to back instead.

Front structures (right side of diagram):

- Outermost clear curve → CORNEA
- Colored ring behind it → IRIS
- Black hole → PUPIL
- Round structure behind pupil → LENS
- Fibers attached to lens → LIGAMENTS

That’s 5.

Then inside:

- Big space → VITREOUS
- Line in it → HYALOID CANAL

Then back:

- Inner layer → RETINA
- Spot where nerve leaves → BLIND SPOT
- Nerve itself → OPTIC NERVE
- Vessels → ARTERY AND VEIN

That’s 5 more → total 10.

Outer layers:

- White outer coat → SCLERA
- Middle layer → CHOROID

Muscles:

- Top muscle → UPPER RECTUS MUSCLE
- Bottom muscle → LOWER RECTUS MUSCLE

That’s 4 more → total 14.

Wait — missing one.

Ah! We haven’t assigned LIGAMENTS yet — that’s the 15th.

So let’s map each blank to its correct term based on typical anatomy diagrams:

Assuming the diagram is oriented with front of eye on the right, back on the left.

Boxes on the right side (front):

Top right box → points to cornea → CORNEA

Next down → points to iris → IRIS

Next → points to pupil → PUPIL

Next → points to lens → LENS

Next → points to ligaments → LIGAMENTS

Boxes on the left side (back):

Top left → points to upper rectus muscle → UPPER RECTUS MUSCLE

Below that → points to hyaloid canal → HYALOID CANAL

Below that → points to lower rectus muscle → LOWER RECTUS MUSCLE

Bottom left → points to optic nerve → OPTIC NERVE

Now boxes around the globe:

Top center → points to sclera → SCLERA

Right center → points to choroid → CHOROID

Center → points to vitreous → VITREOUS

Back center → points to retina → RETINA

Near back → blind spot → BLIND SPOT

Vessels → artery and vein → ARTERY AND VEIN

Wait — that’s 15.

Let me write them in order as they likely appear in the diagram (based on common layout):

Starting from top right and moving clockwise:

1. Cornea
2. Iris
3. Pupil
4. Lens
5. Ligaments
6. Vitreous
7. Hyaloid Canal
8. Retina
9. Blind Spot
10. Optic Nerve
11. Artery and Vein
12. Lower Rectus Muscle
13. Choroid
14. Sclera
15. Upper Rectus Muscle

But we need to match exactly to the boxes shown.

Since I can't see the exact pointer lines, I'll use standard labeling convention for such diagrams.

In most textbook diagrams:

- Front: Cornea, Iris, Pupil, Lens, Ligaments
- Inside: Vitreous, Hyaloid Canal
- Back: Retina, Blind Spot, Optic Nerve, Artery/Vein
- Outer: Sclera, Choroid
- Muscles: Upper and Lower Rectus

Given that, and assuming the boxes are placed accordingly, here's the most logical assignment:

Final Answer:

Here are the correct labels for each blank in the diagram, listed in the order they typically appear from front to back and top to bottom:

1. CORNEA
2. IRIS
3. PUPIL
4. LENS
5. LIGAMENTS
6. VITREOUS
7. HYALOID CANAL
8. RETINA
9. BLIND SPOT
10. OPTIC NERVE
11. ARTERY AND VEIN
12. LOWER RECTUS MUSCLE
13. CHOROID
14. SCLERA
15. UPPER RECTUS MUSCLE

Note: Depending on how the arrows point in your specific diagram, some may vary slightly — but this matches standard human eye anatomy labeling.

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Final Answer:
CORNEA, IRIS, PUPIL, LENS, LIGAMENTS, VITREOUS, HYALOID CANAL, RETINA, BLIND SPOT, OPTIC NERVE, ARTERY AND VEIN, LOWER RECTUS MUSCLE, CHOROID, SCLERA, UPPER RECTUS MUSCLE