Results There is a obvious difference between Orientals and epicanthal fold in width and thickness of orbicularis oculi. Classification of Eyelid and Designs of the Double eyelid Operation 结果单睑、重睑、内眦赘皮在上睑皱襞距睑缘的距离、平视时上睑缘和上睑皮缘的位置手术前后有明显差异。单睑分型与重睑成形术的设计