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    Two-stage, well-tolerated procedure for inlay ensures refractive stability

    Implantation of device to correct presbyopia is best accomplished at 1 week following LASIK

    Take Home 

    The optimal time of implantation of a corneal inlay (Kamra, AcuFocus) to correct presbyopia in ametropic presbyopic patients seems to be 1 week after traditional LASIK in a planned two-stage KAMRA procedure.

     

     

    Toronto—The optimal time of implantation of a corneal inlay (Kamra, AcuFocus) to correct presbyopia in ametropic presbyopic patients seems to be 1 week after traditional femtoLASIK in a planned, two-stage Kamra procedure (PLK2), according to Jeffrey J. Machat, MD, FRCSC.

    Implantation can be performed in patients who are natural emmetropes—known as pocket emmetrope Kamra—or in patients that have previously had LASIK and now have developed presbyopia—known as post-LASIK Kamra (PLK), said Dr. Machat, chief medical director, Crystal Clear Vision, Toronto.

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    For ametropes, patients with significant myopia, hyperopia, or astigmatism, the refractive error must be treated along with the insertion of the inlay. The original treatment combined LASIK and inlay procedure for ametropes, known as cicrular lamellar keratomileusis (CLK), combined 200-µm flap LASIK with the implant and has rapidly become replaced with the inlay pocket procedures, Dr. Machat said.

    “We perform LASIK for all ametropic patients creating a 100-µm femtosecond laser flap with our Ziemer Z4 laser, targeting –0.50 to –0.75 D in the non-dominant eye to achieve the optimal results, even those with +0.25 or +0.50 D of hyperopia,” Dr. Machat said.

    The challenge was determining when to implant the corneal inlay after LASIK to obtain the best refractive result using the PLK2 or PLK2 procedure, Dr. Machat added.

     

    NEXT: Conquering the challenges

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