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There are no serious complications; persistent discomfort is common.
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A corneal ulcer is a non-penetrating erosion or open sore in the outer layer of the cornea, the transparent area at the front of the eyeball. See also corneal injury .
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The cornea, the clear front part of the eye through which light passes, is subject to many infections and to A close-up view of an ulcer on cornea. ( Custom Medical Stock Photo .
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Keratoconus is a deterioration of the structure of the cornea with gradual bulging from the normal round shape to a cone shape. This condition causes decreased visual acuity . It is frequently discovered during adolescence.
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