How LASIK Reshapes Your Cornea
Dr. Kanellopoulos changes the curve of the cornea
by removing some layers. A computer precisely calculates
the exact amount of cornea to be removed.
- First, a small section of the front of your cornea
is lifted away. This corneal flap stays attached
to the rest of the cornea on one side.
- The laser delivers a programmed number of pulses
of ultraviolet light onto the newly exposed part
of the cornea. Each pulse removes a microscopic layer
of cornea.
- Finally, the corneal flap is put back into place.
Pressure holds the flap in place as it heals, so
stitches are not necessary.
The curve of the cornea is now changed, so light rays
are focused more directly on the retina, and images
are in better focus.
The
Myopic Eye
|
|
|
The
corneal flap is folded back |
The laser removes
some layers from part of the cornea to flatten the
curve. The corneal flap is then put back
into place.
|
 |
The Hyperopic Eye
|
|
|
The
corneal flap is folded back |
The laser removes
some layers from part of the cornea to steepen the
curve. The corneal flap is then put back
into place. |
|
