Across
- 3. middle layer of the eye which contains blood vessels
- 4. focuses light onto the retina
- 5. covered with millions of light sensitive nerve cells
- 8. transparent liquid between the cornea and lens
- 9. a lens will take on this shape if an obejct is far away
- 10. these nerve cells distinguish colors
- 12. relays information from the eye to the brain
- 13. these nerve cells distinguish variations in light intensity
- 15. rigid opaque membrane about 1mm thick which protects the eye
- 17. a lens will tkae on this shape if the object is close up
Down
- 1. transparent substance between the lens and retina
- 2. spot has no sensitivity to light
- 6. organ related to vision
- 7. adjusts its size to allow light regulate the amount of light entering the eye
- 8. a lens can ___________ depending on the location of an object
- 10. the location in the brain which interprets nerve impulses from the eye
- 11. clear rigid membrane at the front of the eye
- 14. pigmented membrane
- 16. stimulus received by the eye