The British journal of ophthalmology · 2016
Five-year results of Small Incision Lenticule Extraction (ReLEx SMILE).
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Blum Marcus, Täubig Kathrin, Gruhn Christin, Sekundo Walter, Kunert Kathleen S
Аннотация
BACKGROUND: To evaluate the 5-year results of Refractive Lenticule Extraction (ReLEx) as Small Incision Lenticule Extraction (SMILE) technique for treatment of myopia and myopic astigmatism.
METHODS: In 2008/2009, the worldwide first 91 eyes were treated using a novel surgical technique (SMILE), where a refractive lenticule of intrastromal corneal tissue is removed though a small incision completely eliminating flap-cutting. 56 out of 91 eyes of the original treatment group volunteered for re-examination 5 years after surgery. Uncorrected distance visual acuity and corrected distance visual acuity after 5 years, objective and manifest refractions as well as evaluation of the interface and corneal surface by slit-lamp examination were documented. Late side effects like corneal scars, corneal ectasia, persistent dry eye symptoms or cataract were documented.
RESULTS: 5 years postoperatively, no significant change to the 6-month data was found. Spherical equivalent was -0.375 D and therefore close to target refraction (emmetropia). 32 of the 56 eyes had gained 1-2 Snellen lines. There was no loss of 2 or more lines over the 5-year period. Regression in the long term was 0.48 D.
CONCLUSIONS: This first long-term study demonstrates SMILE to be an effective, stable and safe procedure for treatment of myopia and myopic astigmatism.
CLINICAL TRIAL NUMBER: DE/CA93/KP/07/001. Post-results.
METHODS: In 2008/2009, the worldwide first 91 eyes were treated using a novel surgical technique (SMILE), where a refractive lenticule of intrastromal corneal tissue is removed though a small incision completely eliminating flap-cutting. 56 out of 91 eyes of the original treatment group volunteered for re-examination 5 years after surgery. Uncorrected distance visual acuity and corrected distance visual acuity after 5 years, objective and manifest refractions as well as evaluation of the interface and corneal surface by slit-lamp examination were documented. Late side effects like corneal scars, corneal ectasia, persistent dry eye symptoms or cataract were documented.
RESULTS: 5 years postoperatively, no significant change to the 6-month data was found. Spherical equivalent was -0.375 D and therefore close to target refraction (emmetropia). 32 of the 56 eyes had gained 1-2 Snellen lines. There was no loss of 2 or more lines over the 5-year period. Regression in the long term was 0.48 D.
CONCLUSIONS: This first long-term study demonstrates SMILE to be an effective, stable and safe procedure for treatment of myopia and myopic astigmatism.
CLINICAL TRIAL NUMBER: DE/CA93/KP/07/001. Post-results.