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The VISX Star S4 utilizes a 3-D Active Trak
system which locks the laser into position on the cornea ensuring
accuracy in treatment, even if movement of the eye occurs.
Unlike other systems, with Active Trak the doctor does not
have to dilate your pupils resulting in a comfortable, quicker
recovery time of a non-dilated pupil. Seven variable-sized
beams give the doctor greater flexibility and allow for faster,
smooth, precise corneal treatment. The treatment zone is wider
than almost all pupils and is the only laser with computerized
centration. This may dramatically decrease the incidence of
glare and halo after LASIK eye surgery.

Patented Eye Tracking System detects all
relevant eye movements and repositions laser beam to match
movements.
This excimer laser was the first in the United
States to receive approval from the FDA for the treatment
of low, moderate and high myopia (nearsightedness), low to
moderate ranges of hyperopia (farsightedness), and astigmatism.
With Wave Print VISX technology, Advanced CustomVue treatment
is now available for both myopia and hyperopia Custom candidates.
IntraLase Custom LASIK technology allows even better opportunity
to achieve one’s personal best vision correction.
WaveScan
"The Fingerprint of Your
Vision™"
Because no two eyes are alike, each eye has a unique map,
or fingerprint. "The Fingerprint of Your Vision" defines unique
characteristics in each individual's vision and is produced
by WaveScan® technology.
WaveScan Technology, originally
developed for use in high-powered telescopes to reduce distortions
in space, has now been adapted for eyecare. A single beam
of infrared laser light is passed into the eye and focused
on the retina. The light is then reflected off the retina,
passed back through the eye through a lenslet array to a sensor,
and then analyzed from 200 different aspects to create a map
of the eye - or fingerprint of vision. This technology uncovers
unique characteristics of the eye never measured before using
standard methods for glasses and contact lenses.
The Advanced
CustomVue Procedure
On procedure day, you will be
seated in a reclined position. Anesthetic drops will be placed
in your eyes and a flap will be created on your cornea. Your
individualized treatment information is transferred from the
WaveScan to the laser in order to drive the Advanced CustomVue
procedure. The actual laser procedure typically takes several
seconds. The majority of individuals feel no pain during the
procedure. After Advanced CustomVue, you will notice results
immediately, and your vision will continue to improve over
the next few days. You will be scheduled for a follow-up visit
the next day, and again several weeks after the initial procedure.
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