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ReLEx® SMILE is the new laser technique by ZEISS for the gentle correction of vision defects. It is a minimally invasive treatment method which combines the extensive experience and superior safety of traditional vision correction techniques with numerous innovative benefits, high precision levels and perceptibly greater comfort during the treatment itself.

A lenticule created by Visumax® femtosecond laser changes the shape of the cornea resulting in correction of refractive error. The high-precision laser permits accuracy down to nearest micrometer precision in the preparation of the lenticule within the intact cornea. In addition, a specially designed contact glass avoids unnecessary compression of the cornea.


Laser surgery techniques for refractive vision correction were well established. We have an impressive record of technical innovation in the field of laser eye surgery and provide three different options. All of our procedures utilise the latest technology combined with our extensive expertise to produce clearer vision. 

SMILE uses one laser machine (the Visumax® femtosecond laser) to correct refractive error. We have installed the Visumax® femtosecond laser - no other current femtosecond laser has the accuracy, speed and capability of the Visumax® laser.

The surgeon removes the lenticule created by Visumax® femtosecond laser through the small incision. This procedure changes the shape of the corneal to correct the refractive errors.​

Step 1: In a single step the Visumax® femtosecond laser creates a thin lenticule and a small access measuring less than 4 mm in the intact cornea.

Step 2: The surgeon removes the lenticule through the small access. There is minimal disruption to the biomechanics of the cornea. No flap needs to be cut.

Step 3: The minimally invasive removal of the lenticule changes the shape of the cornea, correcting the refractive error of the eye.


Flapless treatment

  • No folding back of a corneal flap

  • Lenticule preparation in the intact cornea

  • Minimally invasive incision

  • Almost complete preservation of corneal epithelium and stabilizing outer corneal layers

  • Maximum number of corneal nerves responsible for tear regulation remain intact

  • Practically painless during and after the procedure


Entire treatment carried out using femtosecond laser

  • Use of high-precision femtosecond technology

  • Outstanding predictability of results

  • Less compression of the cornea

  • No vision loss during treatment

  • Noiseless and odorless treatment

  • Stabilization of visual acuity normally within 14 days


Single-step treatment

  • Entire laser correction in a single treatment step

  • No device change needed

  • Short treatment time


Compare to LASIK

  • Less invasive incision: 80% less side cut & 30% less cap cut

  • Less nerves severed

  • Less varying severity of dry eye syndrome

  • Less risk for complications


The predictable results are very close to target refraction. Almost 97% of eyes get outcomes within +/- 0.5D.

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