Eyes that bend when smiling are usually called crescent eyes. Crescent eye, as its name implies, refers to the crescent shape in which the eyes bend when laughing. When this kind of eye shape smiles, the eyes will show a curve similar to a half-moon shape, giving people a sweet and infectious feeling. The features of crescent eye are: moderate width of eyelid fissure, wider than phoenix eye and fox eye, blunt outer canthus and long eye tail. Crescent eyes are usually clean, giving people a pure and delicate feeling. The eyes with crescent eyes usually give people a blurred feeling, while the five senses are amiable. This kind of eye shape adds a special charm to the holders, making them particularly eye-catching in the crowd.