The Eye

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Across
  1. 2. transparent, biconvex body found behind the iris that focuses light on the retina
  2. 5. part of eye containing photoreceptor cells
  3. 6. sense that depends on mechanical stimulation of the skin
  4. 8. opening that lets light into the eye
  5. 10. ligament fibrous membrane that holds the lens of the eye in place (10,8)
  6. 11. device that converts one form of energy into another
  7. 14. humour jelly like substance that helps keep shape of eyeball (8,6)
  8. 16. adjusting for near and distant objects
  9. 17. 'colour' of the eye
  10. 18. area of eye providing maximum sharpness of vision
Down
  1. 1. white outer layer of the eyeball
  2. 3. spot exit point of the optic nerve
  3. 4. change in environment that affects an organism
  4. 5. part of the nervous system adapted to receive stimuli
  5. 7. photoreceptor cells providing black-and-white images
  6. 9. bending (of light)
  7. 12. ability to respond to stimuli
  8. 13. layer at back of eyeball containing light-sensitive cells
  9. 15. transparent layer forming the front of the eye
  10. 16. humour watery fluid supporting cornea and front chamber of the eye (8,6)