Journal of Otolaryngology and Ophthalmology of Shandong University ›› 2025, Vol. 39 ›› Issue (6): 148-153.doi: 10.6040/j.issn.1673-3770.0.2024.218

• Original Article • Previous Articles    

SMILE correction of refractive regression after PRK surgery: a case report and literature review

CHEN Tao, JIANG Yang, LI Ying   

  1. 1. Bei Jing Feng Lian Jia Yue Li Ge Ophthalmology, Beijing 100020, China 2. Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
  • Published:2025-11-19

Abstract: Objective To explore the feasibility of SMILE as a corrective procedure for refractive regression after surface refractive surgery, based on a case of refractive regression 23 years post-PRK. Methods A retrospective case study of a patient who underwent binocular PRK for myopia correction 23 years ago and experienced refractive regression postoperatively. The patient met the criteria outlined in the SMILE expert consensus, and underwent secondary SMILE corrective surgery. Relevant literature was reviewed and summarized. Results Intraoperative scanning proceeded smoothly, and the corneal stromal lenticules were successfully separated and extracted. During postoperative follow-up, uncorrected distance visual acuity of both eyes exceeded the preoperative best-corrected distance visual acuity. Conclusion This case sims to serve as a reference for SMILE as secondary corrective surgery following surface refractive surgery in clinical practice.

Key words: Photorefractive keratectomy, Femtosecond laser small incision lenticule extraction, Corneal stroma, Corneal surgery

CLC Number: 

  • R779
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