Parts of the eye and ear

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Across
  1. 2. artificial hearing that stimulates the auditory nerve
  2. 3. able to see things far away, but not up close
  3. 5. the hearing theory that claims pitch is processed by a certain place on the cochlear membrane
  4. 8. carries impulses from eye to brain
  5. 9. changes shape to focus image
  6. 11. light sensitive inner surface of eye, has receptor rods and cones
  7. 14. point where the optic nerve leaves the eyes; no receptors there
  8. 15. the hearing theory that claims pitch is measured by the frequency of the nerve firing
  9. 17. chamber between eardrum and cochlea
Down
  1. 1. face blindness
  2. 4. outer layer of eyes, covers pupil and iris
  3. 5. opening that lets light in
  4. 6. nearsightedness
  5. 7. type of common hearing loss dealing with cochlea receptors or auditory nerve
  6. 10. coiled, fluid-filled tube in inner ear
  7. 11. the retina receptors that see in black and white and peripheral vision
  8. 12. hearing loss where there is damage to the system that conducts sound to the cochlea
  9. 13. retina receptors that see colors and function in daylight
  10. 15. central focal point in retina around eyes cone cluster
  11. 16. colored muscle tissue around pupil