OBJECTIVES To document the difference between complication rate in the early curve of practicing intracorneal stromal rings and after gaining experience PATIENTS AND METHODS A retrospective study of 623 eyes of 417 patients with keratoconus who underwent Keraring implantation using femtosecond laser for channel creation RESULTS The main outcome measures were reported intraoperative and postoperative complications. The overall complication rate ... إقراء المزيد