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Project title How exactly do eyeglasses work?
Difficulty Level Elementary school
Main link Click here to view all details of this science project (Cached)

There are a lot of things our eyes have to do perfectly for us to have perfect sight. If just one of those things is not quite right, we need glasses. But the glasses have to be made just for you and your unique eyes. Eyeglasses work by bending light beams so that they meet right at the back of our eyeballs on the retina (RET-in-ah). The retina changes light into signals that go to the brain.  
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