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    Pulse technology boosts all-laser PRK for one-step, no-touch ablation

    Novel technique improves surface smoothness to deliver faster visual recovery

     

    Preferred technique

    Dr. de Ortueta said that TransPRK has become his excimer laser procedure of choice for refractive surgery, replacing LASIK.

    “Epithelial healing and visual recovery occur much faster . . . compared with traditional PRK or LASEK, and while the healing process after [TransPRK] still takes longer than after LASIK or femto-LASIK, most patients will achieve binocular visual acuity of 20/25 or better by day 4,” he said. “Compared with LASIK, however, the . . . procedure has many advantages.”

    Related: Wavefront-guided PRK after CXL for keratoconus

    Outlining its benefits, Dr. de Ortueta explained that it allows a nearly perfect correspondence between the topography and the cornea. In addition, it avoids flap complications, related activity restrictions for the patient, and the need for a microkeratome or femtosecond laser.

    “We still offer LASIK to all individuals who would be appropriate candidates, but we find that the idea of a flapless procedure is very appealing to patients,” Dr. de Ortueta said.

    More: 16 most popular stories of 2016

    TransPRK also induces less biomechanical changes and has a lower risk for causing ectasia compared with LASIK.

    In addition, surgical time is faster. For example, laser treatment time for a 4 D myopic correction is only 40 seconds, which makes fixation easier for the patient.

    Related: Toward emmetropia: More advances, more improvements

    There is the potential for haze after TransPRK as there is with any surface-ablation procedure, Dr. de Ortueta noted.

    “We have now treated more than 700 cases with this new technique,” he said. “Even though we do not use mitomycin-C on virgin eyes, we have observed a <1% incidence of clinical significant haze.” 

     

    Diego de Ortueta, MD

    E: [email protected] or [email protected]

    Dr. de Ortueta is a consultant to Schwind eye-tech-solutions.

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