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By Mayo Clinic staffEntropion is a condition in which your eyelid turns inward so that your eyelashes and skin rub against the eye surface, causing irritation and discomfort. When you have entropion, your eyelid may be turned in all the time, or it may only turn inward when you blink forcibly or squeeze your eyelids shut tightly. Entropion occurs most often in older people, and it affects women more often than men. Entropion typically affects only your lower eyelid.
Artificial tears and lubricating ointments can help relieve symptoms of entropion, but you'll likely need surgery to correct it. Left untreated, entropion can cause damage to the clear part of your eye (cornea), which can lead to vision loss.