There are several tests and procedures that are performed prior to LASEK eye surgery. In addition to visual acuity tests (typical vision tests) that are performed both with and without corrective lenses, the health of the eye is carefully examined....

The eye health exam includes a slit lamp inspection, a dilated eye exam, and tonometry, which tests pressure within the eye. In addition to these general studies, there are some procedures that are often performed prior to vision correction surgery. Corneal topography is almost always performed. In this test, the shape and curvature of the cornea are analyzed. Infrared pupillometry is a sophisticated way of measuring the maximum size of the pupil. Wavefront analysis produces a two dimensional map of the front of the cornea to look for unusual or atypical features of the cornea. One test that can sometimes dictate the choice between LASIK and LASEK is the Schirmer test. The Schirmer test attempts to quantify the degree to which dry eyes are a problem. Patients with dry eyes may require LASEK over LASIK. In patients with severely dry eyes, however, refractive eye surgery may not appropriate at all.

 

If you wear rigid lenses, you may be advised to stop wearing them for a few weeks prior to LASEK. Even soft contacts should be avoided for a few days prior to the procedure. You should refrain from wearing eye makeup on the day of the procedure. Since the procedure is under local anesthesia, you are free to eat a small the day of the LASEK surgery. If you are ill or running a fever, your LASEK procedure will be postponed for your safety.