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At the Exploratorium, we dissect cows’ eyes to show people how an eye works. This Web site shows photos and videos of a dissection. If you try this at home, wash your hands after the dissection. Wear latex gloves if you have cuts in your hands.

Here’s a cow’s eye from the meat company. The white part is the sclera , the outer covering of the eyeball. The blue is the cornea , which starts out clear but becomes cloudy after death.


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