Corneal Allogenic Intrastromal Ring Segment Implantation for Post-LASIK Ectasia

Abstract

Purpose: To present the first report of corneal allogenic intrastromal ring segment (CAIRS) surgery combined with corneal cross-linking (CXL) for the treatment of post-laser in situ keratomileusis (LASIK) keratectasia. Methods: A 52-year-old man presented with gradual blurring of vision following previous myopic LASIK. He was diagnosed as having post-LASIK ectasia and subsequently underwent CAIRS surgery followed by oxygen-enriched transepithelial topography-guided CXL. Results: At 3 months, the patient reported subjective vision improvement. His uncorrected distance visual acuity had improved from 20/200 to 20/30 and corrected distance visual acuity improved from 20/30 to 20/20. Subjective refraction improved from +3.25 −12.00 × 66° to +4.25 −5.25 × 47°. No complications were noted. Conclusions: This case shows early successful treatment of post-LASIK ectasia with CAIRS combined with CXL. [ Journal of Refractive Surgery Case Reports. 2023;3(1):e1–e4.]