Other Xtra Procedures

PRK Xtra and SMILE Xtra are not unlike the LASIK Xtra procedure.

Similarly, for PRK Xtra and SMILE Xtra, cross-linking is performed during the refractive procedure to strengthen the cornea of the eye. PRK Xtra and SMILE Xtra involve the following steps:


PRK or SMILE eye surgery performed as usual


VibeX Xtra eye drops are applied to the cornea


The cornea is then illuminated with ultra-violet A (UVA) light

Benefits of Xtra

If you are a candidate for LASIK, SMILE, or PRK you are likely a candidate for Lasik Xtra, SMILE Xtra, or PRK Xtra too. Talk to your surgeon to see if the benefits are right for you.

See Strong

Incorporating Lasik Xtra, SMILE Xtra, or PRK Xtra into your procedure improves the strength of the cornea.1

Lock-in the Prescription

Lasik Xtra, SMILE Xtra, or PRK Xtra may extend the longevity of your procedure and could eliminate the need for touch-up procedures, reducing the potential for long-term changes to your vision.2

Improve Procedure Accuracy

Enjoy life with the better vision that Lasik Xtra, SMILE Xtra, or PRK Xtra can provide.3

Over 200,000 eyes have been successfully treated with Lasik Xtra around the world using the KXL System.

PRK Xtra and SMILE Xtra have the potential to:4


Prolong the effectiveness of PRK or SMILE


Improve the predictability of the refractive procedure


Reduce refractive regression and the potential for long-term changes in your vision

“Studies have shown that cross-linking at the time of refractive surgery could also improve the stability of the refractive outcome over time and reduce regression.”

– Lim Li, MD, Singapore National Eye Institute

View a Lasik Xtra Animation

1) Konstantopoulos A, Liu YC, Teo EP, Nyein CL, Yam GH, Mehta JS. Corneal Stability of LASIK and SMILE When Combined With Collagen Cross-Linking. Transl Vis Sci Technol. 2019;8(3):21. Published 2019 May 20. 

2) Kanellopoulos AJ, Pamel GJ. Review of current indications for combined very high fluence collagen cross-linking and laser in situ keratomileusis surgery. Indian J Ophthalmol. 2013;61(8):430–432. doi:10.4103/0301-4738.116074

3) Low JR, Lim L, Koh JCW, Chua DKP, Rosman M. Simultaneous Accelerated Corneal Crosslinking and Laser In situ Keratomileusis for the Treatment of High Myopia in Asian Eyes. Open Ophthalmol J. 2018;12:143–153. Published 2018 Jul 23.

4) Lim EWL, Lim L. Review of Laser Vision Correction (LASIK, PRK and SMILE) with Simultaneous Accelerated Corneal Crosslinking – Long-term Results. Curr Eye Res. 2019;44(11):1171–1180.

Considering LASIK?

Ask your physician about Lasik Xtra. Find an ophthalmologist in your area today to find out if the treatment is right for you.

This product information is intended for NON U.S. audiences only.

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