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