눈 구조

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Across
  1. 3. Refracts light into the eye
  2. 4. The opening where light passes through.
  3. 6. Alter the shape of the lens for focusing
  4. 8. Controls the amount of light entering the eye.
  5. 10. Drains tears from the eye into the nasal cavity.
Down
  1. 1. Connect the ciliary muscles to the lens
  2. 2. Carries impulses from the retina to the brain.
  3. 3. Protects and lubricates the eye surface.
  4. 5. Point where the optic nerve leaves the eye (no receptors).
  5. 7. Focuses light onto the retina.
  6. 9. Contains light receptors