the eye

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Across
  1. 2. located behind the iris
  2. 3. discrimination between black, white and shades of gray
  3. 7. maintains the shape of the eye
  4. 11. the point where the nerve exists the eye
  5. 13. white of the eye
  6. 14. controls pupil diameter
  7. 15. located behind the lens
  8. 16. retina seperates from the back of the eye
  9. 17. transmits light
  10. 18. depression that only contains cones
  11. 20. series of fibers that connect the ciliary body
  12. 21. detects color and brightness
  13. 22. the inability to see in dim light or at night
  14. 24. oval region on the retina
  15. 26. it is colorless, transparent part of the eye through which light passes
  16. 29. changes the shape of the lens during focusing
  17. 30. eye is too short
  18. 31. lens of the eye becomes progressively opaque, resulting in blurred vision
Down
  1. 1. the canal is blocked, the pressure within the eye increases
  2. 4. eye is too long front to back
  3. 5. the inflammation of the membrane lining the sclera, cornea and eyelids
  4. 6. filled with water fluid
  5. 8. uneven curvature of the cornea
  6. 9. complete absence of melanin
  7. 10. carries electrical messages
  8. 12. distortion or loss of central vision
  9. 19. lack of one or more of the 3 cones
  10. 23. The opening of the iris
  11. 25. loses the ability to contract
  12. 27. made of photoreceptor cells that detect light
  13. 28. it supplies blood to the other layers