Abstract
Purpose
To compare 1-year visual outcomes after implantable collamer lens V4c (EVO-ICL) implantation and small incision lenticule extraction (SMILE) for moderate myopia.
Methods
In this retrospective study, 67 eyes of 39 patients with a preoperative manifest refraction spherical equivalent between − 3.00 and − 6.00 diopters (D) were selected from a database of SMILE and ICL implantation procedures performed from April 2018 to December 2018. Thirty-two eyes of 20 patients underwent EVO-ICL implantation, and 35 eyes of 19 patients underwent SMILE. At the routine 1-year follow-up appointment, all selected patients were examined for higher-order ocular aberrations, retinal image quality, and a quality of vision (QoV) questionnaire. This data was then analyzed.
Results
No complications were observed. Uncorrected and corrected visual acuities at 1 year after surgery were − 0.13 ± 0.07 and − 0.15 ± 0.06 logMAR in the SMILE group, and − 0.10 ± 0.07 and − 0.16 ± 0.05 logMAR in the ICL group. Twenty-nine eyes (90.6%) which underwent ICL implantation and 34 eyes (97.1%) which underwent SMILE were within ± 0.5 D of the attempted spherical equivalent (P = 0.49). Changes in coma after ICL were significantly less than after SMILE (P = 0.002). The leading complaints after ICL and SMILE were halos (84.4%) and blurred vision (65.7%), respectively.
Conclusions
Both SMILE and ICL implantation provided good safety, efficacy, and predictability in correcting moderate myopia. The subjective visual complaints consisted mainly of halos after ICL and starbursts and blurred vision after SMILE.
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All data generated or analyzed during this study are included in this published article.
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Funding
This study was supported by the National Natural Science Foundation of China (Grant No. 81770955), Joint Research Project of New Frontier Technology in Municipal Hospitals (SHDC12018103), and the Project of Shanghai Science and Technology (Grant No. 17411950200).
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Aruma, A., Li, M., Choi, J. et al. Visual outcomes after small incision lenticule extraction and implantable collamer lens V4c for moderate myopia: 1-year results. Graefes Arch Clin Exp Ophthalmol 259, 2431–2440 (2021). https://doi.org/10.1007/s00417-020-04982-4
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DOI: https://doi.org/10.1007/s00417-020-04982-4