One-year outcomes of small-incision lenticule extraction (SMILE): mild to moderate myopia vs. high myopia

Kim, Jae Ryun; Kim, Bu Ki; Mun, Su Joung; Chung, Young Taek; Kim, Hyun Seung

doi:10.1186/s12886-015-0051-x

Cited by 50 publications

(44 citation statements)

References 19 publications

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“…Early evidence suggests that the SMILE procedure is safe . Intra‐operative complications may occur; however, these are not likely to be sight threatening.…”

Section: Complicationsmentioning

confidence: 99%

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Small incision lenticule extraction (SMILE) in 2015

Chan

Lawless

Sutton

et al. 2016

Clinical and Experimental Optometry

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Small incision lenticule extraction (SMILE) represents a recent addition to the refractive surgeon's range of procedures. Although there remains a number of similarities to existing techniques in terms of patient selection and treatment parameters, consideration is required to optimise patient outcomes and satisfaction. Here, we review the selection criteria, contraindications, indications and existing published safety and efficacy outcomes.

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“…Early evidence suggests that the SMILE procedure is safe . Intra‐operative complications may occur; however, these are not likely to be sight threatening.…”

Section: Complicationsmentioning

confidence: 99%

“…Early evidence suggests that the SMILE procedure is safe. 2,5,6,11,[38][39][40][41] Intra-operative complications may occur; however, these are not likely to be sight threatening. Suction loss can occur albeit the literature suggests an incidence of between 0.9 to 4.4 per cent of patients.…”

Section: Intra-operative Complicationsmentioning

confidence: 99%

Small incision lenticule extraction (SMILE) in 2015

Chan

Lawless

Sutton

et al. 2016

Clinical and Experimental Optometry

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“…Unsere Refraktions-sowie Visusergebnisse für beide SMILE-Gruppen sind vergleichbar mit Literaturwerten, die im Rahmen von sowohl prospektiven klinischen Studien als auch retrospektiven Analysen mit unterschiedlichen Beobachtungszeiträumen gewonnen wurden [5,6,[16][17][18][19][20][21][22][23][24][25]. So zeigten bspw.…”

Section: Diskussionunclassified

Auswirkung verschiedener Percent-Tissue-altered-Werte auf das Behandlungsergebnis bei refraktiver Small Incision Lenticule Extraction (ReLEx SMILE)

Breyer¹,

Hagen²,

Kaymak³

et al. 2016

Klin Monatsbl Augenheilkd

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To compare the visual outcomes after ReLEx SMILE treatment of eyes with low and high PTA values (PTA: percent tissue altered) within a follow-up period of up to 3 years and to assess whether a high PTA value might contribute to the development of keratectasia, as is the case for LASIK. This retrospective analysis comprises results from 313 eyes (189 patients) with a PTA value of less than 40 % and of 373 eyes (213 patients) with a PTA value of at least 40 %. Preoperatively and up to 3 years after SMILE surgery, refraction values, monocular corrected (CDVA) and uncorrected distant visual acuity (UDVA) and wavefront data were evaluated. One to 3 years after surgery, the group with PTA < 40 % (PTA ≥ 40 %) had a loss of two Snellen lines in 1.1 % (0.0 %) of the cases. Loss of one line occurred in 1.1 % (3.6 %) of the eyes, whereas 97.7 % (96.4 %) remained unchanged or gained lines. With respect to predictability of the spherical equivalent, 92.0 % (78.6 %) of the eyes were within ± 0.5D and 97.7 % (92.9 %) were within ± 1.0D. The group with high PTA values displayed a slightly but significantly greater undercorrection of about 0,25D. 74.4 % (71.8 %) achieved UDVA of at least 20/20 and 96.5 % (87.1 %) achieved at least 20/25. The mean UDVA was - 0.03 ± 0.10logMAR (0.01 ± 0.12logMAR) and its mean difference to the preoperative CDVA was 0.00 ± 0.09logMAR (0.03 ± 0.12logMAR). ReLEx SMILE is a safe and effective corneal refractive treatment, even for PTA values of 40 % and more. Eyes with high PTA values did not display any evidence of keratectasia development within the 3-year follow-up of this study.

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“…Numerous studies on SMILE have reported excellent outcomes; thus, the technique has gained widespread acceptance due to its efficacy, predictability, and safety [1–4]. …”

Section: Introductionmentioning

confidence: 99%

Chung’s swing technique: a new technique for small-incision lenticule extraction

et al. 2016

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BackgroundTo introduce the Chung’s swing technique for small-incision lenticule extraction (SMILE).MethodsA total of 112 eyes of 56 patients were included in this study. Patients were divided into two groups: 52 eyes of 26 patients were treated with SMILE using a traditional method (traditional group) and 60 eyes of 30 patients were treated with SMILE using the Chung’s swing technique (swing group).ResultsAt 1 month postoperatively, all eyes in both groups had an uncorrected distance visual acuity of 20/20 or better. The efficacy indices were 1.09 ± 0.17 and 1.02 ± 0.11 (p = 0.492), and the safety indices were 1.12 ± 0.14 and 1.09 ± 0.15 (p = 0.537), for the traditional and swing group, respectively. All eyes in both groups underwent successful lenticule extraction; all lenticules were intact and complete. The mean lenticule extraction times were 48.67 ± 4.9 and 39.8 ± 5.53 s, for the traditional and swing group, respectively (p < 0.001).ConclusionsThe Chung’s swing technique is efficient for lenticule separation and extraction. Our study results showed good clinical outcomes.Trial registrationTrial registration number: KCT0001978. Registered 22 July 2016. Retrospectively registered.Electronic supplementary materialThe online version of this article (doi:10.1186/s12886-016-0321-2) contains supplementary material, which is available to authorized users.

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One-year outcomes of small-incision lenticule extraction (SMILE): mild to moderate myopia vs. high myopia

Cited by 50 publications

References 19 publications

Small incision lenticule extraction (SMILE) in 2015

Small incision lenticule extraction (SMILE) in 2015

Auswirkung verschiedener Percent-Tissue-altered-Werte auf das Behandlungsergebnis bei refraktiver Small Incision Lenticule Extraction (ReLEx SMILE)

Chung’s swing technique: a new technique for small-incision lenticule extraction

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