Abstract
To describe the outcome after implantation of 6-mm Intacs SK implants (Addition Technology Inc) for treatment of ectasia after LASIK. Retrospective descriptive longitudinal case series. Seven eyes of 6 patients with advanced keratectasia after LASIK were treated with 6-mm Intacs SK implantation. Parameters evaluated preoperatively and at 9 months were uncorrected (UCVA) and best spectacle-corrected visual acuity (BSCVA), average keratometry (AvK), and spherical equivalent refractive error (SEQ). Mean preoperative UCVA was 1.56 +/ - 0.43 logMAR (approximately 20/800), BSCVA was 0.57 +/ - 0.24 logMAR (approximately 20/75), SEQ was -14.67 +/- 5.30 diopters (D), and AvK was 53.80 +/ - 6.30 D. Postoperative examination showed a clinically significant improvement in UCVA, which improved to 0.27+/- 0.14 logMAR (approximately 20/40). Mean BSCVA improved to 0.24 +/- 0.08 logMAR (approximately 20/32), mean SEQ reduced to -2.93 +/- 0.86 D, and AvK reduced to 48.57 +/ - 5.00 D. Within the scope of six cases with 9-month postoperative follow-up, implantation of 6-mm Intacs SK appears to be a safe and effective treatment option for management of advanced cases of keratectasia after LASIK.
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