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ReLEx® SMILE Surgery

What is SMILE?

SMILE (SMall Incision Lenticule Extraction) is the 3rd generation of Laser Vision Correction beyond PRK and LASIK that is used to treat shortsightedness and astigmatism.

The procedure is precise, virtually pain-free and an interesting option also for people with an active lifestyle.

Video Courtesy of ZEISS

Benefits of SMILE

  • Minimally Invasive and Flapless: Only SMILE requires only a small incision. This flapless procedure means: Low infection and no flap detachment.


  • Increased Comfort: SMILE supports a stress-free and comfortable treatment experience, which only takes a few minutes.
  • Generally Fast Healing: With SMILE, full visual recovery can normally occur within just a few days following your surgery, although some individuals may take longer.
  • SMILE has the potential to cause less dry eye as compared to LASIK.
  • SMILE has evidence-based outcomes with a high degree of predictability.
  • SMILE is for patients who are looking for a flapless procedure like Soft-Touch PRK/TransPRK/ EpiLASIK but faster recovery and better comfort.

SMILE Procedure

Video Courtesy of ZEISS

Step 1:

In a single step, the VisuMax femtosecond laser creates a refractive lenticule and a small incision of 4mm or less in the otherwise intact cornea – more or less regardless of the ambient conditions or individual corneal structure.


Step 2:

The lenticule is then manually removed through a very small incision in the cornea. This means there is no need for a flap cut, and the disruption to the biomechanics of the cornea is minimal in comparison to other methods.


Step 3:

The removal of the refractive lenticule changes the shape of the cornea, permanently correcting the refractive error.



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