Bone & Joint Health

What Does It Mean to Have a Double Eyelid?

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 genetics. Jump to Key Takeaways. A double eyelid has an arched crease on the upper eyelid. Carlos Barquero / Getty Images How to Tell […]