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Laser in situ keratomileusis after intracorneal rings. Report of 5 cases
E A Davis1, D R Hardten, R L Lindstrom
1Minnesota Eye Laser and Surgery Centers, Minneapolis, MN, USA.
Purpose:
To examine the results of laser in situ keratomileusis (LASIK) after removal of intracorneal ring (ICR) segments.
Setting:
Active refractive surgery practice.
Methods:
The effect of ICR (0.45 mm) placement, the rapidity of refractive recovery after explantation, and the results of subsequent LASIK were examined in 5 eyes.
Results:
Four eyes developed induced astigmatism after ICR implantation. In 2 of these eyes, retained astigmatism was evident by manifest refraction or corneal topography even after ICR explantation. In 1 eye, the ICR procedure was aborted because of an intraoperative complication. All 5 eyes had subsequent uneventful LASIK.
Conclusions:
Intracorneal rings can induce astigmatism that may be retained even after explantation. Careful wound manipulation may reduce the incidence of this complication. Laser in situ keratomileusis after ICR removal appears to be safe and effective.
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