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To correct
nearsightedness, the cornea must be made flatter. This is
accomplished by removing tissue from the center of the cornea
To treat farsightedness, the central cornea must be made steeper.
This is accomplished by directing the laser beam to remove tissue
from around this area.
To correct
astigmatism, the cornea must be made more spherical. By changing the
pattern of the beam, more tissue is removed in one direction than
the other. |
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Precise Analysis
of Your
Unique Vision
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Like your finger print, your CustomVue Map is
unique to you |
The CustomVue Map is derived from technology first developed to correct
distortions of light waves from space. This allows researchers to accurately
view images of stars and planets.
The CustomVue Map uses the same technology to measure light waves as they
travel through your eye.
Without a tracking device, laser vision correction requires patients to hold
their eyes perfectly still during the process. However, even a "still" eye
makes minute, involuntary movements, including slight movement with each
breath. The 3D ActiveTrak follows the most specific movement
instantaneously, repositioning the laser automatically to ensure laser
accuracy.
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