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REVIEW ARTICLE
Year : 2021  |  Volume : 11  |  Issue : 2  |  Page : 113-121

Advances in refractive corneal lenticule extraction


1 Department of Ophthalmology, RWTH Aachen University, Aachen, Germany
2 Tissue Engineering and Stem Cell Group, Singapore Eye Research Institute; Singapore National Eye Centre; Eye-Academic Clinical Program, Duke-National University of Singapore Graduate Medical School; School of Material Science and Engineering, Nanyang Technological University, Singapore

Correspondence Address:
Prof. Jodhbir S Mehta
Singapore National Eye Centre, 11 Third Hospital Avenue
Singapore
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/tjo.tjo_12_21

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Refractive errors are the leading cause of reversible visual impairment worldwide. In addition to the desired spectacle independence, refractive procedures can improve quality of life, working ability, and daily working performance. Refractive corneal lenticule extraction (RCLE) is a relatively new technique, dependent only on a femtosecond laser (FS). This leads to potential benefits over laser-assisted in situ keratomileusis (LASIK) including a quicker recovery of dry eye disease, a larger functional optical zone, and no flap-related complications. SMILE, available with the VisuMax FS (Carl Zeiss Meditec AG, Jena, Germany), is the most established RCLE application, offering visual and refractive outcomes comparable to LASIK. SmartSight (SCHWIND eye-tech-solutions GmbH, Kleinostheim, Germany) and CLEAR (Ziemer Ophthalmic Systems AG, Port, Switzerland) are two new RCLE applications that received Conformité Européenne (CE) approval in 2020. In this article, we review refractive and visual outcomes, advantages, and disadvantages of RCLE and also report on the latest advances in RCLE systems.


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