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The
Next Generation in Laser Surgery
Custom LASIK
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Custom Lasik FAQ's
What is Custom LASIK
?
No two eyes are the same. Like
your DNA or fingerprint, your vision is unique.
Until now, laser vision correction
treatment was based on diagnostic technology similar to that
used for the prescription eyeglasses or contact lenses. The
new Custom Lasik System at Eye Associates takes laser vision
correction to an entirely new, personalized level by combining
personalized diagnostic wavefront technology and the Excimer
laser into one system.
How Custom LASIK works:
The advanced diagnostic portion
of the new wavefront technology produces a precise, detailed
analysis of your vision and provides a personalized laser vision
correction plan that addresses your individual needs. This WavePrint
Map is coordinated with the VISX STAR S4 ActiveTrak™ Excimer
Laser System to create one of the most advanced systems available.
In addition, the 3-D eye tracker with auto-centration adds a
new level of precision, comfort, and safety.
The Custom LASIK process:
Dr. Tyson will begin by using
the Wavefront device to transmit a safe ray of light into your
eye. The light is then reflected back off the retina, out through
the pupil, and into the device, where the reflected wave of
light is received and arranged into a pattern that captures
your lower- and higher-order aberrations.
All of these visual irregularities
are then displayed as a wavefront map. The map provides information
on more than just the front surface of the eye. It shows the
variability of how light is focused in different areas of the
eye. This information is then transferred to the excimer laser,
enabling the surgeon to customize the LASIK procedure to your
unique visual requirements. The final result is a treatment
as unique as your DNA or a fingerprint. Like traditional LASIK,
Custom LASIK won't cure all vision-related problems, so it's
important to discuss its applications with Dr. Tyson to determine
if you are a good candidate.
Potential Benefits of
Custom LASIK:
Wavefront technology is groundbreaking
because it has the potential to improve not only how much
you see, visual acuity measured by the standard 20/20 eye chart,
but also how well you can see, in terms of contrast sensitivity
and fine detail. This translates into a reduced risk of glare,
halos and difficulty with night vision post-LASIK.
How much you see depends on what
lower-order aberrations you have; lower-order aberrations are
also called refractive errors and include myopia, hyperopia
and astigmatism. Traditional LASIK treats these lower-order
aberrations. How well you see can depend on what higher-order
aberrations you have; higher-order aberrations are irregularities
other than refractive errors, and can cause such problems as
decreased contrast sensitivity or night vision, glare, shadows
and halos. Higher-order aberrations do not always affect vision.
Custom LASIK treats both lower-order and higher-order aberrations.
Custom LASIK's advantage
lies in the area of quality of vision:
Greater chance of achieving 20/20
vision
Greater chance of achieving better
than 20/20 vision
Reduced chance of losing best-corrected
vision
Reduced chance of losing visual
quality or contrast sensitivity
Reduced chance of night-vision
disturbances and glare
Potential also exists for Custom
LASIK to treat those people who have lost best-corrected vision
from previous refractive surgery.
Our Custom LASIK results
are enhanced by superior Air Quality & Safety Standards:
Exacting air quality standards
in our laser suite meets the same strict specifications found
in operating rooms at major medical centers across the country.
A sophisticated HVAC system maintains precise temperature and
humidity control, and continually filters fine particles from
the air. Air quality at this high level provides the necessary
sterile environment for complete safety and infection control
during laser vision correction.
The Eye Associates' laser suite,
is backed by a top-rated Liebert UPS uninterrupted power source.
The 
system guarantees a high standard of safety during
all patient care procedures.
Why we've chosen the VISX
Custom LASIK System at Eye Associates:
VISX Custom LASIK is
a system which includes:
1) A diagnostic wavefront analysis
device (WavePrint™) that maps the entire optical path of the
eye. This WavePrint™ Map, called the "fingerprint of your
vision," provides Dr. Tyson with precise and detailed information
about your vision. This is used to program the laser for precise,
personalized treatment. The WavePrint Map provides information
on more than just the corneal surface of the eye. It reveals
the way the entire optical system processes light. The WavePrint
Map provides a new level of diagnostic information previously
unavailable. Using the WavePrint Map, Dr. Tyson can more accurately
assess whether patients are good candidates for laser vision
correction. The WavePrint Map is becoming the gold standard
in vision measurement.
2) With 3D ActiveTrak™ eye-tracking
technology and auto-centering, the laser detects and compensates
for small eye movements by guiding the laser beam to keep it
centered precisely over the treatment area.
VISX's exclusive ActiveTrak™
is the only system that allows the doctor to track eye movement
in all three dimensions. Having the beam centered correctly
on the eye at all times helps ensure precise results. Unlike
other lasers with eye-tracking technology, ActiveTrak requires
no pupil dilation, leading to an even quicker recovery time.
VISX Star S4 laser systems produce
seven variable sized beams, giving Dr. Tyson greater flexibility
and allowing for a fast, smooth treatment with precise corneal
shaping.
3) The VISX Exclusive SmartBeam™
technology(VSS) adjusts beam size according to treatment, minimizing
corneal tissue removal and speeding treatment. The Star S4 variable
beam technology allows Dr. Tyson to treat patients with different
laser beam sizes and shapes, determined by each patient's visual
needs.
The best way to think of this
is in carving a block of marble. Initially, large chisels are
used to contour the block. This is analogous to large beam sizes.
When it is time to create the fine details of the sculpture,
smaller and more delicate chisels are used. The smaller excimer
laser beam spots are small chisels. As a result, the VISX laser
system produces an extremely smooth surface on the cornea after
the procedure. Smoother ablations, as they're known, promote
faster healing and result in better visual outcomes. VISX S4
laser system requires a shorter procedure time than many lasers,
which enhances comfort and may reduce the risk of post-operative
complications.
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