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Seven years experience with LASIK for myopia.

PURPOSE
This paper presents the results of the last seven years with LASIK for the treatment of myopia.


METHODS
4170 eyes of 3163 patients with a mean preoperative spherical equivalent--9.66 diopters were submitted to LASIK. The eyes were divided in three groups according to the preoperative refraction: Group A (-5 to 10D), group B (-10 to 16D) and group C (over -16 D).


RESULTS
At one year the percentage of eyes within +/- 1D of emmetropia was the following: group A: 84.4%, group B: 70.8%, and group C: 42.8%.


CONCLUSIONS
The method is safe, effective, and predictable especially in the range of myopia between -5 and -15 D of myopia. Predictability could be further improved by secondary procedures.