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Topics > Biology > Human anatomy

	Project title	How exactly do eyeglasses work?
	Difficulty Level	Elementary school
	Main link	Click here to view all details of this exciting project (Cached)
Description
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.
Ingredients
This idea is contained in a third-party website. To view the science fair projects, please click on the link above. Copyright in the third party website belongs to the relevant author.
Brief Instructions
[Please see third-party website for instructions]




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