Loose or sagging skin that creates a curl that distorts the natural look of the upper eyelid and makes it harder to see. Fat deposits seen as swelling in the eyelids. The bags under the eye. Low eyelid lowering that reveals whiteness under the iris. Over-eyed skin excess and fine wrinkles. In short, the upper and lower eyelids; deformities such as sagging, excess skin and bagging are the main causes of eyelid aesthetic operations.