Fig. 1

Diagram of the steps of the Chung’s swing technique. a The lenticule–stroma interface was dissected in a fan-shape using a spatula. b The spatula ascended to the lenticule–cap interface by lifting and swinging at the left end of the incision. c The lenticule–cap interface was dissected in the same way. d The lenticule was extracted by McPherson forceps. After grasping the lenticule margin at 12 o’clock, the lenticule was pushed and pulled to the center of the cornea