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Why we use the LenSx laser

  • The LenSx laser allows your surgeon to perform laser vision correction with more accuracy and precision.
  • In addition to its use in Cataract and RLE Surgeries, the LenSx can treat astigmatism.
  • The LenSx laser can be used to accomplish several or even all of the steps in more involved surgeries, steps that previously would have been performed by a number of different devices.

The LenSx Laser

The LenSx Laser was the first femtosecond laser approved for use in cataract surgery, and offers other benefits to those considering vision correction surgery as well. Its precision and accuracy mean that this state of the art piece of technology provides our patients with exceptional results.


The femtosecond laser is a medical device that can be used for many purposes; it was recently approved by the Food and Drug Administration to perform some of the steps of surgery to remove a cataract or cloudy lens (approved use). It is also being used to perform some of the steps of surgery to remove a clear lens or refractive lens exchange (RLE), and to make arcuate incisions in the cornea (AK) to reduce astigmatism. There are benefits and risks associated with the use of the laser, and there may be additional costs.

Traditionally, the eye surgeon uses blades to create the incisions in the cornea (the front window of the eye), and other special instruments to create the capsulotomy (the circular incision in the outer layer of the cataract or clear lens). The surgeon also uses a phacoemulsification device that utilizes ultrasound power to break up the lens and remove it from the eye. The femtosecond laser can be used to perform some or all of these steps. The possible benefits of the laser include the ability to make more precise and consistent incisions in the cornea, a more circular and centered capsulotomy, and to pre-soften the cataract so less ultrasound energy in necessary with the phacoemulsification device.

Surgical correction of astigmatism can be achieved through a toric intraocular lens, a limbal relaxing incision (LRI) made manually with a blade, or an arcuate incision made with the femtosecond laser (AK). Refractive surgery such as LASIK or PRK can also treat astigmatism. The shape and size of incisions made with the LenSx laser may be more precise.

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