Sterile keratitis post collagen cross-linking (CXL) therapy for treatment of keratoconus

Corneal collagen cross-linking therapy is a relatively new treatment for progressing corneal ectasias such as keratoconus. Here the authors discuss the case of a 22-year-old male who underwent collagen cross-linking for treatment of progressive keratoconus, who then developed a serious post operative complication of a sterile keratitis.