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Punctate Keratitis Learning Center
Causes could include:
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In summary, keratitis can be caused by: bacterial, viral, or fungal infections dry eyes resulting from disorders of the eyelid or diminished ability to form tears exposure to very bright light foreign objects that injure or become lodged in the ey...
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A virus is an infectious agent, often highly host-specific, consisting of genetic material surrounded by a protein coat.
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Bacteria are prokaryotes (unicellular organisms with no membrane-enclosed nucleus) with simple structures that typically range in size from about 0.5 to 20 micrometers.
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