Epicanthus (HP_0000286) is a fold of skin starting above the medial aspect of the upper eyelid and arching downward to cover, pass in front of and lateral to the medial canthus. Also known as: Epicanthal fold, Epicanthal folds, Epicanthic folds, Eye folds, Palpebronasal fold, Plica palpebronasalis, Prominent eye folds.