VISX STAR S4
CustomVue
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The
VISX STAR S4 Excimer Laser System
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WaveScan
Wavefront System
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CustomVue Advantage
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WaveScan Technology
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PreVue Lens
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The CustomVue
Procedure
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CustomVue
Walkthrough
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Clinical Study
Results
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How do I get more
information
The
VISX STAR S4 Excimer Laser System
The
VISX STAR platform's heritage of dependability and performance is well
known. The STAR S4 from VISX has taken that reputation to an even higher
level. Our latest excimer laser system represents the most advanced
laser technology platform available today. Integrating data collected by
the WaveScan WaveFront System, the STAR S4 utilizes these exclusive VISX
technologies to deliver precision custom ablations:
- Iris Registration (IR): The first FDA-approved,
fully automated, non-contact method of alignment of the correct
CustomVue treatment to the corneal site
- Variable Spot Scanning (VSS): Variable beam sizes
from as small as 0.65 mm up to 6.5 mm scanned over the treatment
area, conserving tissue and optimizing treatment times
- Variable Repetition Rate (VRR): VRR delivers
treatment at varying repetition rates, optimizing treatment time
- ActiveTrak 3-D Active Eye Tracking: Captures all
3 dimensions of intra-operative eye movements—no dilation required
- ActiveTrak Automatic Centering: Locates, and then
automatically sets the treatment center to the center of the pupil.
WaveScan Wavefront System
The
WaveScan WaveFront System is an ophthalmic diagnostic instrument that
measures the refractive error and wavefront aberrations of the human eye
using a Hartmann-Shack wavefront sensor. The measurements can be used to
determine regular (sphero-cylindrical) refractive errors and
irregularities (aberrations) that cause decreased or blurry vision in
the human eye. The WaveScan software uses the information to create a
custom tailored correction map for the unique characteristics of each
individual eye.
WaveScan technology was originally developed for use
in high-powered telescopes to reduce distortions when viewing distant
objects in space. This technology has now been applied to laser vision
correction, measuring imperfections in the eye never before measured
using standard methods for glasses and contact lenses. WaveScan-based
digital technology identifies and measures imperfections in your eyes 25
times more precisely than standard methods. The powerful WaveScan
software translates the information into a set of CustomVue treatment
instructions for the laser. These digital treatment instructions are
then transferred to the laser, driving a new level of precision and
accuracy.
Until now, eye doctors were forced to practice
one-size-fits-all vision. An off-the-shelf lens can correct your vision
fairly well, but it is not uniquely tailored to your fingerprint of
vision. Now, with WaveScan technology, your eye doctor can custom tailor
a correction for the unique characteristics of your vision.
The WaveScan WaveFront System provides:
- Fourier-based wavefront algorithms:
- Fourier delivers the highest resolution
available of the wavefront error
- Uses more data points to derive the optimal
shape
- Uses all data from any shape of pupil
- Accurately reconstructs all peripheral data
- Captures and treats higher and lower order
aberrations up to 7 mm diameter pupil
- Acuity Maps®: Chart the optical
aberrations of the eye.
- Difference Maps: Track the changes of the eye for
pre-op and post-op comparisons.
- Point Spread Function (PSF): Demonstrates how a
patient would see a point source of light
The Fingerprint of Your Vision
Your vision is unique - as personal as your fingerprint
or your DNA. WaveScan technology provides your eye doctor with a map of
your eye.
WaveScan Technology
Initially you will meet with your eye doctor for a
complete medical evaluation and eye history to determine whether you are
a good candidate for the CustomVue procedure. Your doctor will discuss
the benefits and risks of the procedure with you. A WaveScan measurement
will be taken to map the unique characteristics of your eye. With this
map, your doctor will be able to:
- Accurately assess whether you're a good candidate
for laser vision correction. Anyone who is considering laser vision
correction should obtain a WaveScan measurement as the first step.
- Along with the other diagnostic tests that your
doctor performs, an individualized treatment plan can then be
developed to address your unique vision needs.
Once it is confirmed that you are a good candidate,
your doctor will schedule you for a CustomVue procedure. Your doctor
will provide details to you on how to prepare for the day of the
procedure.
PreVue Lens
If your doctor feels it is beneficial, he or she may
choose to provide you with a PreVue Lens during the consultation. The
PreVue Lens enables you to view an approximation of your potential
corrected vision prior to treatment; however, it is not meant to be
predictive of your actual result. Your doctor will place a plastic lens
under the laser. Using the information from the WaveScan, your unique
correction will be placed on the lens. The lens is then fitted in a
trial frame for viewing.
The 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
CustomVue procedure. The actual laser procedure typically takes several
seconds. Most individuals feel no pain during the procedure.
After CustomVue, you will notice results immediately,
and your vision will continue to improve over the next few days.
Typically, you will be scheduled for a follow-up visit the next day,
again in about a week, and again around a month after the initial
procedure.
CustumVue Walkthrough
View now.
http://www.visx.com/candidates/customvue_advantage/customvue_procedure.php
Clinical Study Results
The U.S. Food and Drug Administration (FDA) has approved the VISX
CustomVue procedure for correcting nearsightedness and astigmatism.
The following are some of the FDA clinical study results.
One year after the VISX CustomVue procedure*:
- 100% could pass a driving test without glasses or
contact lenses
- 98% could see 20/20 or better without glasses or
contact lenses
- 70% could see better than 20/20 without glasses
or contact lenses
Four times as many participants were very satisfied
with their night vision after CustomVue, compared to their night vision
with their glasses or contact lenses.
Overall, many participants were more satisfied with
their quality of vision after the VISX CustomVue procedure than before
the procedure with use of glasses or contacts.
Uncorrected visual acuity is the measurement of how
well you see without the aid of glasses or contact lenses. Quality of
vision refers to not only what you see, but also how well you see under
a variety of conditions, such as driving at night.
* FDA clinical results for Low to Moderate Myopia, Up
to -6.0 D MRSE with or without astigmatism up to -3.0 DC
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EYE REPUBLIC
Ophthalmology Atlas
CLINIC INFORMATION
Mobile E-Yellow Pages. Via
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EYE REPUBLIC Ophthalmology Clinic
Manila
3/F Don Santiago Building Units 309-310
1344 Taft Avenue, Ermita
Manila, 1000 Philippines
Direct and Fax: (632) 536-2398
Trunk Line: (632) 523-8271 to 79 local 30
Mobile: (63917) 899-2020
Map and directions
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EYE REPUBLIC
Ophthalmology Clinic
Asian Hospital
and Medical Center
5/F Medical Office
Building (MOB) Suite 509
2205 Civic Drive,
Filinvest, Alabang
Muntinlupa City,
1781 Philippines
Direct:
(632) 771-9253
Direct and Fax:
(632) 771-9254
Mobile: (63917) 795-2020
Map and Directions
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EYE REPUBLIC Ophthalmology Clinic
Medical City
6/F Medical Arts Tower Inc (MATI) Suite 602
MERALCO Compound, Ortigas Avenue
Pasig City, 1604, Philippines
Direct and Fax: (632) 632-7846
Mobile: (63917) 537-2020
Map and directions
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EYE REPUBLIC
Ophthalmology Clinic
St. Luke's
Medical Center
6/F
Cathedral Heights Building Complex (CHBC)
North Tower Suite 614
279 E. Rodriguez
Sr. Boulevard
Quezon City, 1102
Philippines
Direct and Fax:
(632) 407-3883
Mobile: (63917) 855-2020
Map and directions
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CLINIC HOURS
First-Come, First-Served
Monday to Saturday 9:00 AM to 6:00 PM
All clinics are closed on Sundays and Holidays
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Note: Some of the material here were taken from
http://www.visx.com.
VISX STAR S4 CustomVue information compiled by
Dr.
Manolette Roque [ Resume
| Email
]
and initially uploaded on September 15, 2006.
By visiting this website, you agree to
LASIK.com.ph's TERMS OF USE.
Last
updated on
September 14, 2007.
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