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Lasik eye surgery - series

Lasik eye surgery - series - Normal anatomy

Normal anatomy

The cornea is the transparent part of the eye that covers the iris. It is also the main light bending part of the eye.


Procedure, part 1

Procedure, part 1

Anesthetic eye drops are given to numb the eye and the surgeon marks the cornea with water-soluble ink to guide replacement of the corneal flap.


Procedure, part 2

Procedure, part 2

The surgeon performs a keratectomy, which creates a corneal flap. A keratectomy is a procedure that uses a small instrument that makes a cut in the cornea as it moves across it. The flap is lifted and reflected, exposing the cornea beneath.


Procedure, part 3

Procedure, part 3

A computer-controlled laser reshapes the cornea to the prescribed shape for clear vision.


Aftercare

Aftercare

The corneal flap is repositioned and bonds to the cut edge of the cornea quickly.


Related Information

Nearsightedness
Farsightedness
Laser surgery for the skin
LASIK eye surgery
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Review Date: 8/18/2020  

Reviewed By: Franklin W. Lusby, MD, ophthalmologist, Lusby Vision Institute, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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