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The refractive oute was positive both in terms of UCDVA and overall lack of residual refractive error ? The long duration of this study shows that refractive stability is achieved and maintained during 4 years. ? In retreatment cases a wavefront based approach is indicated for optimal refractive outes References Kanellopoulos AJ, Pe LH. Wavefrontguided enhancements using the wavelight excimer laser in symptomatic eyes previously treated with LASIK. J Refract Surg. 2022 Apr。22(4):3459 Jin GJ, Merkley KH. Conventional and wavefrontguided myopic LASIK retreatment. Am J Ophthalmol. 2022 Apr。141(4):6608. Alio JL, MontesMico R. Wavefrontguided versus standard LASIK enhancement for residual refractive errors. Ophthalmology. 2022 Feb。113(2):1917