Across
- 3. Lies between the sclera and the retina, rich in blood vessels
- 6. Receives and converts light into neural signals
- 8. opening through which light passes into the lens of the eye
- 9. located behind pupil, helps focus near and distance
- 11. Soft, colourless, transparent, jelly-like substance
Down
- 1. Muscle which controls size and thickness of lens
- 2. The tough outer layer of the eye
- 4. supplies nutrients and removes waste from the front of the eye
- 5. Carries impulses between the eye and brain
- 7. Controls how much light enters the eye
- 10. Light enters and this helps bend the light