Keyword Analysis & Research: definition of sclera in the eye

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What does the name sclera mean?

Sclera Definition. The sclera is the dense connective tissue of the eyeball that forms the "white" of the eye. It is continuous with the stroma layer of the cornea. The junction between the white sclera and the clear cornea is called the limbus. The sclera ranges in thickness from about 0.3 millimeter (mm) to 1.0 mm.

What is the main purpose of the sclera in our eyes?

The sclera is the part of the eye commonly known as the "white." It forms the supporting wall of the eyeball, and is continuous with the clear cornea. The sclera is covered by the conjunctiva, a clear mucus membrane that helps lubricate the eye. It is thickest in the area surrounding the optic nerve.

What does sclera mean?

The sclera, also known as the white of the eye, is the opaque, fibrous, protective, outer layer of the eye containing collagen and elastic fiber. In humans the whole sclera is white, contrasting with the coloured iris, but in other mammals the visible part of the sclera matches the colour of the iris, so the white part does not normally show.


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