VISX Variable Spot Scanning
LASIK Personalized Specifically for YOUR Eyes!  Variable Spot Scanning (VSS)* is an exclusive VISX laser technology that allows
for a larger, more precise LASIK treatment area. This gives Dr. Seibel greater
flexibility in developing a personalized LASIK procedure specifically
for your best possible outcome.
Unlike other scanning systems, VSS provides variable size and shape beams with
scanning capabilities. This gives the device a wide range of indications, offering
more flexibility in personalizing LASIK treatments for myopic, astigmatic,
and hyperopic patients. How VSS Technology Works Seven-beam array
This exclusive VISX
technology produces an even and homogenous energy profile, using a sophisticated
array of seven beams for a uniquely consistent, smooth treatment that no other
LASIK system can match. Variable-size beams
Unlike fixed-spot
lasers, beam diameters range in size from in size from 0.65 mm to 6.5 mm to perform
even the most intricate LASIK procedures. Variable-shape beams
Beams are shaped
to create spherical, cylindrical, or elliptical removals depending on LASIK treatment
needs. Scanning capabilities
Beams scan across
the cornea for flexible treatment modalities. And, unlike fixed-beam scanning
lasers, the VSS seven-beam technology removes more tissue per pulse , enabling
LASIK procedures to be completed quickly and efficiently with less total tissue
removal. CAP Customized Treatments
Due to the
various sizes and shapes of beams available, LASIK correction can be customized
for those of you who need specialized care due to irregular astigmatism or other
difficult problems to treat. What VSS Does for You
Variable Spot Scanning makes it possible for your LASIK treatment to be shorter
in time. This adds to your comfort. In addition, VSS takes off less tissue
per given prescription than other lasers. This is important, especially for
those with thin corneas or high prescriptions. It is important that the cornea
be of sufficient thickness after the LASIK procedure for stability. The VISX
Star S4 Variable Spot Scanning Laser lets us know before the LASIK procedure
how much tissue will be taken off so that we can always stay well within safe
limits. It is also more tissue sparing than fixed spot lasers. Variable Spot
Scanning makes a very smooth LASIK treated surface on the eye. 
*The VISX laser utilizes the VSS technology in creating a blend zone in myopic patients receiving -1.0 diopter of vision correction.
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