Across
- 2. band of 7 colors
- 6. line parallel to incident ray
- 7. far point of human normal eye
- 9. light enters eye through this thin membrane
- 10. particles that scatter light
- 12. converging mirror
- 14. diameter of reflecting surface
- 16. hi/ho
Down
- 1. far-sightedness
- 3. bouncing back of light
- 4. part of the eye where the image is formed
- 5. bending of light ray
- 8. controls size of pupil
- 10. converging lens
- 11. milky and cloudy vision
- 13. near-sightedness
- 15. regulates amount of light entering eye
- 17. ability of eye lens to adjust focal length