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The cornea is the transparent area at the front of the eyeball. A corneal ulcer is an erosion or open sore in the outer layer of the cornea. It is associated with infection. 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 . Reproduced by permission.) injury from exposure and from foreign obj...
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Blindness is a lack of vision. It may also refer to a loss of vision that cannot be corrected with glasses or contact lenses. Partial blindness means you have very limited vision; Complete blindness means you cannot see anything and do not see lig...
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Total blindness is the inability to tell light from dark, or the total inability to see. Visual impairment or low vision is a severe reduction in vision that can't be corrected with standard glasses or contact lenses and reduces a person's ability...
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