Across
- 2. No light can go through
- 3. nerve It carry's the signal to the brain
- 5. What helps you see far
- 6. Something that repeats
- 9. Go through
Down
- 1. You can see through
- 4. controls the light entry
- 6. Take in light
- 7. Bounce off
- 8. Turns light into a electrical signal