Fresh SMILE lenticules reduce hyperopic refractive errors after LASIK
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The implantation of fresh SMILE lenticules can effectively reduce residual hyperopic refractive errors after LASIK, according to a study.
The results of this method in 40 eyes of 30 patients were presented in a poster at the American Academy of Ophthalmology meeting by Njomza Hima Musa, MD, and co-authors.
The lenticules were taken from patients who underwent SMILE surgery for myopia and inserted in post-LASIK eyes with residual hyperopic error using two methods in two groups of 20 eyes. In the first group, the LASIK flap was lifted, cleaned and repositioned after placing the lenticule on the stromal bed. In the second group, a stromal pocket was created, 8 mm in diameter, and the lenticule was inserted.
LogMAR uncorrected distance visual acuity significantly improved at 1 year in both groups, according to the authors. The first group progressed from 0.39 preop to 0.16 at 1 year. The second group had even better results, progressing from 0.41 preop to 0.09 at 1 year.
Treatment of residual hyperopia after LASIK in young patients is challenging for all refractive surgeons, the authors noted. Performing clear lens exchange is not a good solution because it deprives these young patients of accommodation, exposes them to the risk for infection and leads to unpredictable outcomes.
“Fresh corneal lenticule implantation reduced residual hyperopic refractive errors after LASIK, increasing visual acuity (especially accommodation process) and patient satisfaction,” they wrote.
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Musa NH, et al. Fresh corneal lenticule implantation by SMILE in treating residual hyperopic refraction post LASIK. Presented at: American Academy of Ophthalmology meeting; Nov. 12-15, 2021; New Orleans.
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