SIGHT CROSSWORD

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Across
  1. 2. The part of the eye that light enters...
  2. 3. The organ used to see is the...
  3. 6. Humans use these to see more clearly...
  4. 8. The organ in the head that processes what we see...
  5. 9. One of the five senses to do with the eyes is...
Down
  1. 1. The person you visit when you are having trouble seeing...
  2. 4. The skin that covers the eyeball is called the...
  3. 5. The amount of light that enters the eye is controlled by the...
  4. 7. Humans have this many senses...