How Your Eye Focuses

On the back of your eye is a complex layer of cells known as the retina. The retina reacts to light and conveys that information to the brain. The brain, in turn, translates all that activity into an image. Because the eye is a sphere, the surface of the retina is curved.

When you look at something, three things must happen: [Source]

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~ by clearvisioneyecare on June 3, 2010.

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