Your Eyes and Ears

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Across
  1. 1. receives an image and produces electrical signals
  2. 4. light travels through it
  3. 5. when the cornea or lens has an irregular shape
  4. 7. an opening in the iris
  5. 8. infection of an oil gland in the eyelid
  6. 9. highly contagious infection of the tissues on the outside of the eye
  7. 10. focuses light to form an image
Down
  1. 2. the colored part of your eye
  2. 3. units used to measure the loudness of sound
  3. 6. sends electrical signals to the brain