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The eyelid has a complex design, with eight layers sandwiched into a structure only a few millimeters thick. Abnormalities of eyelid position and function may develop when even a single layer becomes defective.
Eyelid disorders pose a serious threat to the health and integrity of the underlying eye and to the maintenance of normal vision.
The most common causes of functional problems requiring corrective eyelid surgery include aging, cancer, trauma, birth defects, and complications from previous operations.
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