Page 84 - Miracle in the Eye

(Figure 3.3). The eye is made up of many different layers and compo-
nents. Analyzing the eye, it is clear that without tear glands to regularly
keep its surface clean, without a pupil to adjust the amount of light hitting
the protective cornea, or without the lens to focus light on the retina's 130
million cone and rod cells, the eye would not be able to function at all.

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