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What does a white spot on your cornea indicate?

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A white spot on the cornea of the eye typically indicates a corneal ulcer, reports Healthline. A corneal ulcer is an open sore that develops on the cornea, and some type of infection frequently causes it. The cornea is the transparent protective external layer of the eye, says WebMD.

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Full Answer

Acanthamoeba keratitis is an infection that affects contact wearers, states Healthline. Herpes simplex keratitis is a viral infection that causes repetitive sores on the eye. Additional causes of corneal ulcers are dry eye, inflammatory disorders, vitamin A deficiency and wearing unsterilized contact lenses. Symptoms of a corneal ulcer may include blurred vision, eye discharge, tearing, sore eye and swollen eyelids. Immediate treatment of these symptoms is necessary to avoid possible blindness.

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