Exercise 2.1: You're the Eye Doctor

 

 
You're the eye doctor

In this activity you are going to be an eye doctor. First, like all doctors you will have to learn about the human body - the eye actually. So let's begin.
1. Find a diagram of the human eye. This diagram should be labelled with the names of all its parts. Copy the image and paste it for your answer.
2. Describe what happens in the eye to make a person far-sighted.
3. Describe what happens in the eye to make a person near-sighted.
4. How can eyeglasses correct the vision of a person who is near or far sighted?
5. What kind of lens does a far-sighted person need?
6. What kind of lens does a near-sighted person need?
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