Across
- 2. detects light intensity
- 5. reflected light rays are parallel
- 7. fixes far-sighted vision
- 8. reflected light rays are scattered
- 9. incoming ray
- 10. fixes near-sighted vision
- 11. light that travels in straight lines
- 12. all colors combined
- 14. red+green
Down
- 1. color created by adding other colors
- 3. red+blue
- 4. detects colors
- 6. color created by absorbing other colors
- 8. spread apart
- 13. perpendicular to a surface