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Lasik Doctors

 

Acceptable Enhancement Rate For
Lasik, PRK, LASEK, Epi-Lasik, etc.


There are some who have suggested that a doctor's surgical enhancement rate is an indicator of a doctor's surgical ability. That is not necessarily true. In fact, a higher enhancement rate may indicate a safer doctor or a doctor who is more concerned about a patient's happiness.

Some doctors and practices have set policies that dictate when they will provide a patient an enhancement. A doctor may require additional charges for an enhancement, providing a financial disincentive for the patient to seek additional care. In extreme cases, a doctor may refuse to enhance a patient who is able to see 20/40 uncorrected, even if the patient is unhappy or has quality of vision problems. A doctor with these types of policies may have a very low enhancement rate, but may also have a large number of less than satisfied patients.

Such business policies can provide a false indication of the true need for enhancements, and a false indication of the quality of the doctor. Most people who have conventional or custom wavefront Lasik, PRK, LASEK, or other forms of refractive surgery are myopic (nearsighted, shortsighted). If they are overcorrected, they become hyperopic (farsighted, longsighted). Refractive surgery for the correction of hyperopia is significantly different than refractive surgery for myopia, is less predictable, and has a lower success rate than refractive surgery for myopia. For these reasons and others, doctors want to avoid permanent overcorrection into hyperopia.

At the same time, people with very high myopia tend to regress. It is not likely that regression would take a person all the way back to where the patient was before surgery, but regression of 10-30% can occur. Since this regression is reasonably well understood, it is common for doctors to deliberately overcorrect a myopic patient into hyperopia, with the expectation of regression bringing the patient back to the desired result plano (no refractive error).

The problem with this technique is that regression does not always happen and does not always occur the same from patient to patient, or even eye to eye of the same patient. The patient may be overcorrected into hyperopia, but not regress or not regress enough to return to plano. Now the patient requires a very different form of refractive surgery that is not generally as successful.

A more conservative doctor may never use the deliberate overcorrection technique. A more conservative doctor may correct only to plano even patients with high amounts of myopia, and then enhance the small myopia that returns after regression. This doctor may have a significantly higher than normal enhancement rate, but may be actually a safer choice of doctor.

As you can see, enhancement rates are a very poor indicator of a doctor or surgery's "success" or "failure". Without knowing the policy and philosophy of the doctors, an inaccurate conclusion may be formed.

If you are ready to choose a doctor to be evaluated for conventional or custom wavefront Lasik, All-Laser Lasik, PRK, LASEK, Epi-Lasik, RLE, or any refractive surgery procedure, we highly recommend you consider a doctor who has been evaluated and certified by the USAEyes nonprofit organization. Locate a USAEyes Evaluated & Certified Lasik Laser Eye Surgery Doctor.

    Consider and Choose With Confidence

Last updated Saturday, August 18, 2012

"Consider and Choose With Confidence" TM

A few of the communities where Lasik doctors are certified by USAEyes :

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