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AK
is a modified form of Radial Keratotomy. Astigmatism
causes blurred vision as a result of an oval (football
shaped) cornea. Tiny, precise scratches are made
on the cornea surface in a specific location in
accordance with the steepest curve of the cornea.
These scratches flatten the steepest part of the
cornea. This makes the cornea more spherical (baseball
shaped) and thus sharper retinal focus is obtained.
This procedure takes just a few minutes to complete
and can be performed alone or in conjunction with
other refractive surgery techniques listed at left.
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