White of the eye.

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Multiple Choice

White of the eye.

Explanation:
The white of the eye is produced by the sclera, the tough, opaque outer coat that forms most of the eyeball’s exterior. Its dense collagen fibers give it that white, protective appearance and shape the globe, while anchoring the extraocular muscles that move the eye. The sclera is continuous with the cornea at the front, but unlike the transparent cornea, its opacity keeps the inner structures protected and hidden from light. Behind the sclera lies the retina, the light-detecting layer, whereas the iris is the colored ring around the central pupil that regulates how much light enters. The pupil itself is the opening in the iris.

The white of the eye is produced by the sclera, the tough, opaque outer coat that forms most of the eyeball’s exterior. Its dense collagen fibers give it that white, protective appearance and shape the globe, while anchoring the extraocular muscles that move the eye. The sclera is continuous with the cornea at the front, but unlike the transparent cornea, its opacity keeps the inner structures protected and hidden from light. Behind the sclera lies the retina, the light-detecting layer, whereas the iris is the colored ring around the central pupil that regulates how much light enters. The pupil itself is the opening in the iris.

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