Light and the Eye

12345678910
Across
  1. 4. Type of lens which is used to diverge light.
  2. 6. Changes size to refract and focus light onto the retina.
  3. 7. Coloured part of the eye.
  4. 9. Transmits electrical impulses to the brain.
  5. 10. Changes size depending on the intensity of light entering the eye.
Down
  1. 1. A mythical creature with one eye.
  2. 2. Protects the pupil and Iris. Also refracts light onto the lens.
  3. 3. Converts light signals into electrical impulses.
  4. 5. Type of lens which is used to converge light.
  5. 8. An animal with 8 eyes.