BARRAQUER, BARCELONA, ISM / SCIENCE PHOTO LIBRARY BARRAQUER, BARCELONA, ISM / SCIENCE PHOTO LIBRARY
Corneal ulcer. Close-up of the left eye of a patient with an ulcer of the cornea, the transparent front part of the eye. This ulcer (upper centre) is an example of Mooren's ulcer (ulcus rodens), a class of corneal ulcers caused by immune-mediated eye diseases and found at the border of the cornea and sclera (the white of the eye).
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