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First Author: J.Machat CANADA
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To evaluate the efficacy of a small aperture corneal inlay for the treatment of presbyopia in ametropic, emmetropic, and post-LASIK patients.
Crystal Clear Vision, Toronto, Canada
Retrospective analysis of 10 presbyopic patients implanted with a small aperture corneal inlay. Patients included emmetropic presbyopes (n=1), ametropic presbyopes (n=8) and presbyopes who had previously undergone a LASIK procedure (n=1). Three different inlay implantation procedures were used for these patient groups: Pocket Emmetropic KAMRA (PEK), Combined LASIK KAMRA (CLK), and Post-LASIK KAMRA (PLK), respectively. Uncorrected near visual acuity (UCNVA), uncorrected distance visual acuity (UCDVA), and manifest refractive spherical equivalent (MSRE) were measured pre-operatively, then at 1 week, 1 month, and 3 months. This study is ongoing; data on 100 patients will be presented.
Mean UCNVA improved 6 lines from 20/80 preoperatively to 20/20 at 3 months postoperatively. Improvement in mean UCDVA was also seen, from 20/50 preoperatively to to 20/20 at 3 months. Mean MSRE was -0.89D ±1.55 preoperatively, and -0.81D ±0.31 3 months postoperatively.
In this series, use of a small aperture corneal inlay improved UCNVA while maintaining UCDVA in a broad spectrum of presbyopic patients.