Z LASIK performs very well with corneal scars

| Feb 08, 2008 | Comments 4

 We have been using the Ziemer LDV for 3 weeks now with great results. Vision results and flap creation have been excellent and without any complications.

For eyes with pre-existing corneal scars there has always been a question mark over the ability of femtosecond lasers to create LASIK flaps as the scar tissue may prevent the laser from passing through the tissue. Intralase users report that they found an inability perform LASIK to treat eyes that have pre-existing moderate to dense corneal scars.

Unlike the Intralase (American made femtosecond eye laser), the Swiss-made LDV will pass through even fairly dense corneal scars without a problem. So far the LDV has created excellent flaps in these cases. I will keep you updated on our progress.

[tags] laser eye surgery, complications, femtosecond, flap, Intralase, LASIK, risks, safety, Z-LASIK, Ziemer [/tags]

Filed Under: LASIK • Safety • Technology

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About the Author: Mr. Dave Allamby FRCS FRCOphth is a leading London-based laser eye surgeon. You may have seen him on the This Morning TV show with Phillip Schofield and Fern Britton or read one of several articles in the national press, recently for treating Denise Van Outen, rock giant Rick Wakeman and broadcaster Paul Ross. David is Medical Director at Focus Laser Vision, known as a world-leading clinic in the treatment of presbyopia, or age related loss of close vision. Focus Laser Vision is also London's only clinic to offer next-generation Z-LASIK laser eye treatment for short sight, long sight or astigmatism.

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  1. Jane says:
    June 19, 2010 at 3:40 pm

    Hi Dave, I recently underwent laser eye surgery, at one of the best clinics – (which you mention). Flaps were made in both corneas, but the procedure could not be completed because I have scarring of the cornea in one eye, and the flap in that eye could not be completed. If I want to procede then one option is to cut through the scar tissue – not with a blade, but with a more sophisticated process, but not a laser. is this likely to succeed? Thanks

    Reply
    • Dave Allamby says:
      June 19, 2010 at 6:30 pm

      Hi Jane, Hard to say Jane as it isn’t clear what this ‘sophisticated process’ is. Any more information on that? We can cut a flap with either a keratome blade or a femtosecond laser. We haven’t seen this problem with the Ziemer femtosecond laser as it cuts well with corneal scars.
      Best regards, Dave

      Reply
      • Jane Apps says:
        June 22, 2010 at 8:17 am

        Hi Dave, thanks for getting back to me so quickly. Yes it is a keratome blade. Thanks again – Jane

        Reply
        • Dave Allamby says:
          June 24, 2010 at 9:54 am

          Hi Jane. Yes the keratome should cut through scar tissue although of course i haven’t seen your eyes and can’t give a definitive answer. The other option used by some surgeons is to switch and perform surface laser correction e.g. PRK with mitomycin to avoid issues with a double cut. Best regards. Dave

          Reply

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