The white wall of the eye, called the sclera, is the eye's strong protective outer coat.


The white wall of the eye, called the sclera, is the eye's strong protective outer coat. It's covered by the thin episclera, which contains many blood vessels and provides the sclera with nutrients. Episcleritis refers to the common and usually benign condition characterised by inflammation of the episclera. When someone develops episcleritis, their eye (or eyes) appear red and may feel sore, tender and uncomfortable. In this respect, it's similar to conjunctivitis.


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