Ocular Physiology

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Across
  1. 3. pink inner protective membrane of the eye
  2. 6. guards against dust
  3. 7. contains layers of light sensitive cell
  4. 8. a bony cavity that protects the eye
  5. 9. keeps the cornea's shape
  6. 12. gives the eyeball its shape
  7. 14. inner eyelid in some species
  8. 15. dark circle that lets light in
  9. 16. used to perceive color
  10. 17. flexible structure that can change shape
  11. 19. starts the visual process; tough covering; allows light to bend
Down
  1. 1. muscle that controls light entrance; various color
  2. 2. term used for the ability to see 2 colors
  3. 4. allows cats night vision capabilities
  4. 5. keeps the eyes moist
  5. 8. carries info from the eye to the brain
  6. 10. the eye's white outer covering
  7. 11. area where there is no light sensitive cells
  8. 13. term used for the ability to see 3 colors
  9. 18. night vision;low light