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Special Senses WS 2 Read pages 284 289 and answer the following questions. 1. The innermost layer of the eye is also known as the ________________. 2. What is the purpose of the pigments in the outer layer of the membrane? 3. What is in the inner layer of the retina? 4. What are photoreceptors? 5. What happens if light is focused on the optic disc? 6. Where are most of the rods found on the retina? 7. Where are most of the cones found? 8. What do rods allow us to see? 9. What do cones allow us to see? 10. What is the fovea centralis? 11. What causes color blindness? 12. What shape is our lens? 13. What are cataracts?

Special Senses WS 2 - barnesville.k12.mn.us · Special Senses WS 2 Read pages 284 289 and answer the following questions. 1. The innermost layer of the eye is also known as the _____

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Page 1: Special Senses WS 2 - barnesville.k12.mn.us · Special Senses WS 2 Read pages 284 289 and answer the following questions. 1. The innermost layer of the eye is also known as the _____

Special Senses WS 2Read pages 284­ 289 and answer the following questions.

1. The innermost layer of the eye is also known as the ________________.

2. What is the purpose of the pigments in the outer layer of the membrane?

3. What is in the inner layer of the retina?

4. What are photoreceptors?

5. What happens if light is focused on the optic disc?

6. Where are most of the rods found on the retina?

7. Where are most of the cones found?

8. What do rods allow us to see?

9. What do cones allow us to see?

10. What is the fovea centralis?

11. What causes color blindness?

12. What shape is our lens?

13. What are cataracts?

Page 2: Special Senses WS 2 - barnesville.k12.mn.us · Special Senses WS 2 Read pages 284 289 and answer the following questions. 1. The innermost layer of the eye is also known as the _____

14. In front of the lens is a fluid called _____________________.

15. Behind the lens is a fluid called ______________________.

16. Describe each type of fluid.

17. What is glaucoma?

18. What is the sclera made of?

19. Label the parts of the eye.