1. A fold of skin of the upper eyelid that covers the inner corner of the eye, found naturally in many East Asian populations and sometimes in other groups.
Usage: anatomy; also called epicanthal fold or epicanthic fold

Examples

• The epicanthus is a normal anatomical feature in many people of East Asian descent.
• Medical textbooks describe the epicanthus as a fold of skin covering the medial canthus of the eye.
• The presence of an epicanthus does not affect vision or eye function.
• Anthropologists have studied the distribution of the epicanthus across different populations.
• Some individuals from other ethnic backgrounds may also have a pronounced epicanthus.