Did you know that there are different types of eyelids? If you have double eyelids, you can probably see creases in your eyelids when your eyes are open. If, on the other hand, you have monolids, or ...

Eyelids with a noticeable arch-shaped crease on the upper eyelid are called double eyelids, while eyelids without this crease are monolids. Your chance of having double eyelids is primarily based on ...