Eye Webquest



Eye Webquest

Cllick on the underlined links to answer the following questions. You may need to use the “continue” button to read more information and find answers.

Read about your eyes and how they work and answer the following questions.

1. Why do we need eyelashes?

2. What is the sclera?

3. Why does the shape of the lens change?

4. How does the shape of the lens change?

5. Describe vitreous humor?

 

 

6. How many rods and cones do you have in each eye?

7. Name 2 things you can do to protect your eyes.

8. Why do our eyes tear?

9. Where are tears made?

Do the experiment are two eyes better than one at the bottom of the page.

Read about different eye problems and what can be done to help.

10.What does it mean if you are nearsighted?

11. What does it mean to be farsighted?

12. What is astigmatism?

13.What is an ophthalmologist?

14. How do glasses work?

Read about colorblindness.

15. What does it mean if someone is colorblind?

16. What is the most common form of colorblindness?

17. Why do we have trouble seeing colors in the dark?

View

Watch the video: Why eat carrots? And do they really help eyesight?

View some great images of the eyes and answer the following questions: (use the “next” button to navigate)

18. What is conjunctivitis?

19.How many muscles control the movement of the eye?

20.Watch the animation of how we see. What does it show?

Learn something about lenses and see what you already know! Take the lens quiz.

21. Write down two things you learned from the lens quiz.

Check out this site on Braille.

22. What is Braille?

23. Who invented it? How old was he?

24. Describe how the inventor of Braille developed his idea.

25. Check out a simple version of the Braille alphabet. Write your name in Braille.

Read about how different animals see.

26. Why do animals that hunt at night generally have large eyes?

27. Why does it seem like some animals have eyes that "glow in the dark?"

 

28. How many lenses does a dragonfly have?

  

  

29. How does a mosquito sense you are around?

30. How do penguins see clearly underwater?

31. Name two other facts about animal eyes that you find interesting.

Now that you are an expert on the eye test your knowledge by taking the eye quiz.

32. What is iris recognition. What is it used for?

33. What is vision therapy?

On the vision therapy page, Click on "What is it?" underneath "3D Vision" on the left side of the screen.

34. Describe why we see in stereo vision.

35. Where does the term "stereo vision" come from?

36. What are the advantages of stereo vision?

37. What are tasks that people do that rely on stereo vision?

Scroll to the bottom of the page and click on "3D gallery." Click on "Hidden Image Stereograms." Test your ability and exercise your eyes!

38. Which images could you see?

If you can't see it after trying awhile go read about how to see the 3D images. Then go back and try again!

LASTLY… got to and complete the dissection of the eye by following the directions given.

Then Watch the cow eye dissection…

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