Light Crossword

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Across
  1. 2. the electrical and magnetic form or effects produced by an electric current
  2. 6. where photoreceptors are kept
  3. 7. an optical technology that can send information over long distances using reflection
  4. 10. send visual messages from your retina to your brain
  5. 11. the muscle that flattens the lens
  6. 14. the bending of light
  7. 16. a physical substance that occupies space and possesses mass
  8. 18. an optical technology that creates a powerful narrow beam of light
  9. 19. hole in eye lets light into it
Down
  1. 1. thinner in the center, thicker on the sides
  2. 3. the bouncing of light
  3. 4. the distance between identical points in the adjacent cycles of a waveform
  4. 5. responsible for color vision in high light
  5. 8. responsible for low light vision
  6. 9. the number of waves that pass by each second
  7. 12. the clear outer layer of the eye, responsible for ~70% of refraction
  8. 13. thicker in the center, thinner on the sides
  9. 15. responsible for ~20% of refraction
  10. 16. to make something appear larger than it is
  11. 17. the colored part of the eye