Most of the enhancements today are fairly minor, especially since the advent of wavefront-guided and femtosecond laser. John A. Vukich, MD
Most of the enhancements today are fairly minor, especially since the advent of wavefront-guided and femtosecond laser. John A. Vukich, MD
Most of the LASIK surgeons try to keep the enhancement percentage as low as possible.
Because can be more risky than the original procedure, especially when small residual corrections, such as epithelial in growth, overcorrection or exacerbation of dry eye.
Considering that most outcomes today are very close to the intended result, a number of factors impact practitioner's decisions about whether to enhance, including patient's attitude after the procedure. That is why doctors try to make the patient understand that perfection is not always easy to achieve and is always accompanied by risk. Ultimately, in a few cases doctors can not proceed with the enhancement because some Excimer lasers don't allow small treatment, and in this particular case the surgeon is limited by technology.
In this case, the surgeon needs to lift the flap again in order to correct the overcorrection from the original surgery. Be aware that lifting the flap is not the only way to proceed with the enhancement, in fact one of the most debated issue in LASIK enhancements is whether or not to re-lift the flap to perform an enhancement.
This procedure, is very common for people who is over or under corrected with the Excimer Laser.
In this video we can see the surgeon performing the relift of the flap. The microkeratome or femtosecond laser, is not required in the procedure because the flap was already made it in the original surgery, but in order to re-lift the flap the surgeon needs to do a different technique.
The hardness of lifting the flap for second time surgery, depend of the eye healing. This particular flap was re-lifted 8 months after the original procedure.
Page updated January 06, 2010
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