Across
- 4. the clear part at the front of the eye that focuses light on the retina
- 5. center of the eye
- 6. a thin, clear tissue that covers the iris, protects the eye from dirt and germs, and focuses light
- 8. plural form of elf
- 10. activity requiring physical effort, carried out to sustain or improve health and fitness
- 12. plural form of loaf
- 15. plural form of thief
Down
- 1. special cells that line the retina and send signals to the brain through the optic nerve
- 2. plural form of child
- 3. the nerve that sends message from your eyes to your brain about what you see
- 7. the sense of light, the act of seeing
- 9. plural from of shelf
- 11. plural form half
- 13. the lining at the back of the eye that is very sensitive to light
- 14. eye color
