👁️ Part 1: Eye Structure and Function

1. Which part of the eye refracts light as it first enters?

Lens

Cornea

Retina

Pupil

2. What is the main function of the retina?

To protect the eye from dust

To change shape and focus light

To convert light into electrical signals

To control the amount of light entering

3. Which structure transmits visual information to the brain?

Optic nerve

Lens

Cornea

Conjunctiva

4. Which of the following are protective features of the eye? (Tick all that apply)

Eyelids

Tears

Conjunctiva

Optic nerve

✏️ Part 2: How Vision Works

5. Fill in the blanks to complete the pathway of vision:

Light enters through the __________ → passes through the __________ → is focused by the __________ → hits the __________ → signals travel along the __________ to the brain.

6. Explain what happens when the lens changes shape (accommodation):

7. Describe how the retina converts light into signals the brain can understand:

8. Why are the eye's protective features important for vision?

🔬 Part 3: Apply Your Knowledge

9. Draw and label a simple diagram of the eye showing the cornea, lens, retina, and optic nerve:

10. Imagine you are teaching a Year 7 student about vision. Write a short explanation of how we see, using the key terms: cornea, lens, retina, optic nerve.