How Does The Eye Work?

Before we can begin to discuss refractive surgical techniques, we need to first describe how the eye works. The eye is a natural camera, and, like any camera, has parts which function as lenses and other parts which function as film.

Figure 1. The camera has lenses which focus light on photographic film.

Figure 2. Similar to the camera, the eye has parts which function as lenses and parts which function as film.

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