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Many patients undergo additional laser eye surgery in an attempt to either:
(a) correct remaining (or induced) refractive error if the original surgery resulted in an undercorrection, overcorrection or regression; or
(b) correct defects (such as ablation defects or defects resulting from intraoperative or healing complications) which cannot be fully corrected with glasses or contact lenses.
Retreatments may be LASIK or surface ablation procedures, and they may be conventional laser treatment, wavefront-guided or topography-guided. Treatment to correct defects would typically be wavefront- or topography-guided. |
