The success
rate of Lasik
surgery has
been improved
by new methods
being taken on
board as a
result of
research. One
such method is
known as
Wavefront
technology,
which gives the
surgeon the
chance to see
and accurately
record the
slightest of
variations in
the surface of
the eye, which
makes the
procedure that
much more
accurate and
therefore
clearer
vision.
The idea behind
Wavefront
technology was
first developed
by astronomers
so that they
could see
whether their
lenses had
anything wrong
with them.
Lenses are very
important for
telescopes
because the
objects
astronomers are
using are
literally
millions of
miles away. In
the 1970s, a
sensor was
developed to
check the
lenses
electronically
and it is this
idea which has
been adapted to
Lasik surgery
!V after all
both deal with
lenses!
This concept
was brought
into the field
of
ophthalmology
and
specifically to
Lasik
correction
surgery in
Germany.
Physician Josef
Bille started
to use the
sensor which
prompted other
people to try
it. In 1997 it
was finally
brought to the
manufacturers
who developed
it even
further.
The very first
Wavefront
system for
Lasik
corrective
surgery was
then approved.
Basically, the
system makes a
map of the eye
and sends all
of the
information
which it has
collected to
the laser which
is used in
Lasik surgery.
This enables
precise
alteration so
that the best
possible
corrective
procedure can
be given.
In
layman!|s
terms,
Wavefront
technology
which used in
Lasik can be
described very
easily. It is
basically a
small, flat
sheet of light
(known as a
wavefront)
which is passed
through the
eye. It is then
reflected off
of the retina
and passed back
through the
eye. It is
captured by the
Wavefront
machine and all
of the
imperfections
found in the
eye are
monitored and
logged. These
imperfections
are then picked
up by the
laser.
There are
actually a
number of
small, flat
sheets of light
sent into each
eye and from a
number of
different
directions. The
results produce
a kind of three
dimensional map
of the eye
which is used
in the surgery.
You may not be
aware, but
there are
actually over
60 different
problems which
can affect the
eye without
including the
commonly found
nearsightedness,
farsightedness,
and
astigmatism.
All of the
information
which has been
generated by
the Lasik
sensor is then
converted,
electronically,
into a set of
directions
which are to be
followed but
the Lasik
excimer
laser.
This is a
fairly new
procedure which
makes the
surgery even
more effective
and much less
intrusive. Ask
your doctor
about it today
and remember
what it is to
be able to see
without the
need for
glasses or
contact
lenses!
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NASA Approved Eye Technology Arrives In NZ Scoop.co.nz (press release), New Zealand - Jul 22, 2008 The iLASIK procedure comprises the Advanced CustomVue excimer laser vision correction procedure using VISX Technology, corneal flap creation with the ...
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