eye anatomy

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Across
  1. 2. is the amount of light that enters the eye
  2. 3. conists the cornea and sclera
  3. 4. are more sensitive to light
  4. 7. provide color vision
  5. 8. protects the eye from foreign objects
Down
  1. 1. produces tears that lubricate and cleanse the eye
  2. 5. is continuous in the back of the eye
  3. 6. consists of retina which contains photoreceptors modified neurons