Professional Title: Professor, Chief Physician, Doctoral Supervisor Professional Expertise: Refractive surgery and basic research: internationally pioneered SMILE-CCL technology and lenticule implantation research, pioneered surface lens combined with cross-linking for keratoconus and intrastromal lens combined with cross-linking research, the earliest clinical and basic research on femtosecond laser small incision lenticule extraction in China, the earliest LASEK/Epi-LASIK and promoted the standardized development of SMILE and optimized surface ablation in China; refractive lens implantation for ultra-high myopia, the earliest V4C implantation in China and led the establishment of technical specifications and consensus, femtosecond LASIK with thin flap for high myopia, complex refractive surgery and complication management including individualized techniques, laser combined with corneal collagen cross-linking CXL, management of complex pediatric refractive problems including congenital high myopia, pediatric visual and refractive development, binocular visual function, hereditary eye diseases and genetics of high myopia, corneal dystrophy and keratoconus gene research, adolescent myopia control and prevention, and other fields.