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Science Illustrated

Inside the body: THE EYE IS THE BRAIN’S CAMERA

The eye is full of jelly

The majority of the eye is located in the eye socket, with only 1/6th of it visible. The eyeball has a diameter of some 2.4cm, weighs 7.5g, and consists primarily of water.

Between the lens at the front of the eye and the retina at the back is the vitreous body, which forms the majority of the eye’s interior. The vitreous body is comprised of collagen fibres and hyaluronic acid that bind to the water to form clear, transparent jelly. With

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