Optical Illusions Crossword

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Across
  1. 4. material that exists in three dimensions
  2. 6. relating to how information is processed
  3. 7. a repeated design
  4. 9. the bouncing back of light
  5. 10. something seemingly contradictory
  6. 15. intersecting sets of parallel lines
  7. 19. coming together or meeting at a point
  8. 20. true to fact
  9. 22. having parts that are unequal or unbalanced
  10. 24. relating to the body
  11. 25. characterised by regular lines or shapes
Down
  1. 1. the point at which something is viewed
  2. 2. that part of the eye that receives images
  3. 3. arrangement of shapes in a repeated pattern
  4. 5. a form of abstract art that seems to move
  5. 6. how the eye reacts to light being reflected
  6. 8. the world as it actually exists
  7. 11. bizarre of fantastical
  8. 12. the part of the eye that controls light
  9. 13. tangible or concrete
  10. 14. relating to sight
  11. 16. something perceived through the senses
  12. 17. the point at which lines or waves meet
  13. 18. fools the eye illusion that appears real
  14. 21. misrepresentations of reality
  15. 23. an image that persists after the original