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Difference between Conjunctiva and Sclera


The conjunctiva and sclera are two of the most important parts of the eye. The conjunctiva is a thin membrane that covers the white part of the eye, while the sclera is the thick white outer coat of the eyeball. Though these two parts have different functions, they both play an important role in keeping your eyes healthy. In this blog post, we will discuss the differences between these two parts of the eye. We will also talk about how each part can be affected by diseases and injuries. So, if you’re interested in learning more about your eyes, keep reading!

What is Conjunctiva?

Conjunctiva is a thin, clear film that covers the inner surface of the eyelids and the white part of the eye. It helps to keep the eye moist and protected from bacteria and other foreign particles. Conjunctiva is richly supplied with blood vessels, which can become enlarged and visible when the eye is irritated.

Conjunctiva can also become inflamed, a condition known as conjunctivitis or pink eye, which is often caused by allergies or infections. Conjunctivitis is usually treated with artificial tears, antibiotics, or anti-inflammatory medication. In severe cases, surgery may be necessary to remove the inflamed tissue.

What is Sclera?

Sclera, also known as the white of the eye, is a tough, fibrous membrane that covers the eye and helps to protect it from injury. The sclera is made up of collagen and elastin fibers, which give it its strength and flexibility. The outer layer of the sclera is covered with a thin layer of epithelial cells, which helps to keep the surface smooth and moist.

  • Sclera plays an important role in maintaining the shape of the eye and helps to protect the delicate inner structures from damage. It also helps to reflect light back through the pupil, allowing us to see clearly.
  • Sclera can be seen through a transparent layer of tissue called conjunctiva. Sclera is usually white in color, but it may be discolored due to injury or disease.
  • Scleritis is a condition that causes inflammation of the sclera, which can lead to pain, redness, and blurred vision. Treatment for scleritis often involves the use of steroids or other anti-inflammatory medications.

Difference between Conjunctiva and Sclera

Conjunctiva and Sclera are both white, but they have different functions. Conjunctiva is the transparent layer that covers the front of the eye. It also covers the inner surfaces of the eyelids. Sclera is the tough, white outer layer that covers the rest of the eye. Its job is to protect the inner structures of the eye from injury. Conjunctiva is thin and has many blood vessels that give it its pink color. Sclera is thicker and has fewer blood vessels. Conjunctiva can be seen when you look at someone’s eyes. Sclera cannot be seen because it is covered by conjunctiva.


So, what is the difference between conjunctiva and sclera? Conjunctiva is a thin membrane that covers the front of the eye and lines the inside of the eyelid. Sclera is a thick white outer coat that makes up most of the visible eyeball.

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