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    Enhanced corneal smoothness may result in shorter recovery time of visual acuity

    Technology also yields higher levels of postoperative visual quality, shorter re-epithelialization time


    How it works

    This treatment can be used for both stromal and surface procedures, but the effect is more marked in surface procedures.

    More cornea news: Techniques to overcome graft failure

    SPT is used for all ablations (and cannot be enabled/disabled per procedure) irrespective of the technique (LASIK, PRK, or transPRK), type (PTK, refractive treatments, presbyopic treatments, therapeutic treatments) or level of customization (aspheric, corneal, or ocular wavefront-guided).

    SPT positively/synergistically combines with other features of the AMARIS, such as dual fluence (using a high fluence level for some 80% of the treatment to speed up ablation, and a low fluence level to smooth out), or small spot size of just 0.54 mm (enabling fine structures to be effectively ablated, while keeping pulse energy low even for the high fluence level).

    More cornea news: Easier ways to identify compromised corneas

    The low fluence level is not an additional polishing procedure but the final step of the ablation using a lower energy/fluence to fill up the remaining (not completely ablated) gaps. Using SPT, the two levels of fluence move from coarse/fine to fine/finer.

    Retrospective study

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