The great variation in eyelids, not every eyelid has a double fold, which can be understood as the crease at the top of the eyelid platform. This crease gives definition to the eyelid and is generally an aesthetic preference for both men and women. It also makes the application of makeup easier, giving you one more way to improve the appearance of your eyes, or change up your look from day to day. For More Visit Double Eyelid Surgery.