You have many options when it comes to corrective eye surgery. LASIK is the most popular of these, and for many people the results are outstanding. But for others, undergoing advanced surface ablation may be a better choice.
Advanced surface ablation is the procedure of removing the epithelium from the cornea and treating a refractive error on the front surface of the cornea. The epithelium is the thin layer of cells that protects the cornea.It can be removed with an excimer laser, a blade, or an alcohol solution. A laser vaporizes the surface of the cornea to a precise depth to effect the vision correction.
Although this process has more pain than with LASIK and vision takes longer to be restored, there are several distinct advantages to consider.
First, advanced surface ablation is safer. Cutting a flap during a LASIK procedure weakens a cornea, and when treatment is applied and tissue is removed, the cornea is thinned even more.
Second, advanced surface ablation has a lower complication rate than LASIK. LASIK procedures can have complications such as bad flaps, slipped flaps, and epithelial ingrowth.
Third, when a wavescan is performed prior to surgery, the laser can treat all the eye deficiencies. With LASIK, the flap may limit how some of the eye’s aberrations are treated.
Fourth, there is much less of a risk in creating a permanent dry eye than with LASIK.
With advanced surface ablation, vision improvement should be noticeable within a few days of surgery. Most patients see fine within six weeks, although vision improvements may continue for the first six months following surgery.
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