Eye Vocab

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Across
  1. 4. The bundle of nerves that take signals from the eye to the brain
  2. 5. Electromagnetic radiation with the lowest frequency and the longest wavelength
  3. 8. Clear protective covering over your eyes
  4. 9. Colorful muscle that regulates the pupil
  5. 10. Electromagnetic radiation which has a longer wavelength than visible light
  6. 11. Electromagnetic radiation at wavelengths longer than the red end of visible light
  7. 13. Transparent structure that bends light
  8. 15. Electromagnetic radiation that human eyes can see ranging from red (long wavelengths) to violet (short wavelengths)
  9. 18. The highest energy, shortest wavelength electromagnetic radiations
  10. 19. A spot in your vision where no image is formed
Down
  1. 1. Provides blood to places like the eye
  2. 2. The muscles that are in the front of your eye, near the lens
  3. 3. The full range of frequencies, from radio waves to gamma rays, that characterizes forms of light
  4. 6. Electromagnetic radiation at wavelengths shorter than the violet visible light
  5. 7. The light-sensitive lining in the back of the eye
  6. 12. The distance between peaks in a wave
  7. 14. The adjustable opening in your eye
  8. 15. The clear, gel-like substance that fills the middle of your eye
  9. 16. Energy emitted in the form of waves (light) or particles (photons)
  10. 17. Electromagnetic radiation of very short wavelength and high energy
  11. 20. Tough, opaque (white) outer covering of the eye