Across
- 1. round opening
- 3. give us our color vision
- 7. sense of smell
- 8. photoreceptor cell in the retina
- 9. light-sensitive layers
Down
- 2. clear disk that focuses light
- 3. middle layer of the wall of the eye
- 4. white layer of the eye
- 5. transparent part of the eye
- 6. contains the pupil in the center.