Ectropion is a "turning out" of the eyelid that causes redness, irritation, tearing and an increased likelihood of infection. Common causes of ectropion include aging, sun damage, and tumors. Ectropion can be corrected in a quick procedure in which the lid is tightened. Occasionally, the surgeon needs to graft a small segment of skin to ensure that the eyelid is fully repaired.

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Entropion is a "turning in" of the eyelid. The lid and lashes rub painfully against the cornea. Entropion usually occurs as a result of aging, but other causes can include injury and various inflammatory conditions. Entropion can be corrected with a routine surgical procedure under local anesthesia.