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Small incision lenticule extraction

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https://www.readbyqxmd.com/read/28192586/three-year-stability-of-posterior-corneal-elevation-after-small-incision-lenticule-extraction-smile-for-moderate-and-high-myopia
#1
Yu Zhao, Weijun Jian, Yingjun Chen, Michael C Knorz, Xingtao Zhou
PURPOSE: To investigate long-term changes in posterior corneal elevation after small incision lenticule extraction (SMILE). METHODS: Thirty-six eyes of 20 patients (7 male, 13 female) who underwent SMILE were recruited for this prospective consecutive study. The mean preoperative manifest spherical equivalent was -6.24 ± 1.47 diopters (D) (range: -3.88 to -8.75 D). Posterior corneal surfaces were measured by a Scheimpflug camera (Pentacam; Oculus Optikgeräte GmbH, Wetzlar, Germany) preoperatively and at 1 month, 6 months, 12 months, 2 years, and 3 years after surgery...
February 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28162195/-comparison-of-the-effects-of-0-1-bromfenac-sodium-eye-drops-and-corticosteroids-after-small-incision-lenticule-extraction
#2
Y Jiang, Y Li, Y M Jin, J Y Zhang
Objective: To study the safety, efficacy and tolerability of the usage of 0.1% bromfenac sodium eye drops in small incision lenticule extraction (SMILE). Methods: Prospective case control study. Three groups were observed, including 60 patients (60 eyes) undergoing SMILE for myopia. After surgery, 20 patients (20 eyes) were treated with 0.1% bromfenac sodium eye drops twice daily for 10 days, 20 patients (20 eyes) were treated with topical compound tobramycin eye drops 4 times daily for 10 days, and 20 patients (20 eyes) were treated with topical compound tobramycin eye drops 4 times daily for 3 days and 0...
January 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28162194/-analysis-on-corneal-deformation-and-corneal-biomechanical-changes-after-small-incision-lenticule-extraction
#3
Y L Huang, Y Wang, R Dou, S B Jin, L J Liu, H Li, P H Wei
Objective: To investigate biomechanical effects of central corneal thickness (CCT), and to explore the possible safe range for the tissue removal and percentage of tissue ablation (PTA) of small incision lenticule extraction (SMILE). Methods: Clinical observational study. One hundred and eighty-seven cases (365 eyes) undergoing SMILE surgery were enrolled. Corneal hysteresis (CH) and corneal resistance factor (CRF) were measured before and after surgery by the ocular response analyzer (ORA). Linear regression of CH, CRF and CCT, and percentage of tissue ablation were calculated...
January 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28149787/small-incision-lenticule-extraction-versus-femtosecond-lenticule-extraction-for-myopic-a-systematic-review-and-meta-analysis
#4
Jia-Song Wang, Hua-Tao Xie, Ye Jia, Ming-Chang Zhang
AIM: To examine differences in efficacy, accuracy, safety, aberrations and corneal biomechanical between Small incision lenticule extraction (SMILE) and femtosecond lenticule extraction (FLEx) for myopia. METHODS: Comprehensive studies were conducted on the PubMed, MEDLINE, EMBASE, and Cochrane Controlled Trials Register before 31 July, 2015. Meta-analyses were performed on the primary outcomes [loss of ≥2 lines of corrected distance visual acuity (CDVA), uncorrected distance visual acuity (UDVA) ≥20/20, spherical equivalent (SE) within ±0...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28135749/-limitations-of-smile-small-incision-lenticule-extraction
#5
T Seiler, T Koller, V V Wittwer
Background SMILE is a relatively new technique to correct moderate and high myopia. The limits of SMILE are yet unknown. Methods Literature research using PubMed until October 1, 2016. Results/Discussion Recently presented axial 2D-strain-stress measurements indicate that the biomechanical impairment of the cornea after SMILE and LASIK is comparable. The difference in elastic moduli is statistically not different. The visual rehabilitation after SMILE takes significantly longer (weeks) compared to LASIK (days)...
January 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28135748/-historical-overview-of-the-clinical-development-of-the-small-incision-lenticule-extraction-surgery-smile
#6
M Blum, K S Kunert, W Sekundo
The clinical use of femtosecond lasers has led to significant progress in the quality of refractive surgery. SMILE femtosecond laser surgery (SMILE: Small Incision Lenticule Extraction) permits the first one step intrastromal laser procedure without a flap. This article describes the gradual development of this surgery during the last ten years.
January 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28068443/possible-risk-factors-and-clinical-effects-of-opaque-bubble-layer-in-small-incision-lenticule-extraction-smile
#7
Gisung Son, Junghyun Lee, Cheolwon Jang, Ki Yong Choi, Beom Jin Cho, Tae Hyung Lim
PURPOSE: To report the development of an opaque bubble layer (OBL) during small incision lenticule extraction (SMILE) and analyze its potential risk factors and the clinical outcome. METHODS: A retrospective review of medical records was performed. The patients were divided into two groups in terms of OBL area following a posterior lenticule cut: OBL less than 5% of cornea and OBL greater than 5% of cornea. Preoperative parameters and clinical outcomes were compared...
January 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28068441/changes-in-astigmatism-densitometry-and-aberrations-after-smile-for-low-to-high-myopic-astigmatism-a-12-month-prospective-study
#8
Iben Bach Pedersen, Anders Ivarsen, Jesper Hjortdal
PURPOSE: To evaluate 12-month changes in refraction, visual outcome, corneal densitometry, and postoperative aberrations after small incision lenticule extraction (SMILE) for myopic astigmatism. METHODS: This 12-month prospective clinical trial comprised 101 eyes (101 patients) treated with SMILE for myopic astigmatism with cylinder of 0.75 to 4.00 diopters (D). The preoperative, 1-week, and 1-, 3-, 6-, 9-, and 12-month examinations included measurement of manifest refraction, uncorrected distance visual acuity (UDVA), and corrected (CDVA) distance visual acuity...
January 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28060071/corneal-lenticule-allotransplantation-after-femtosecond-laser-small-incision-lenticule-extraction-in-rabbits
#9
Jing Zhao, Yang Shen, Mi Tian, Ling Sun, Yu Zhao, Xiaoyu Zhang, Xingtao Zhou
PURPOSE: To investigate the feasibility of allotransplanting extracted lenticules after femtosecond laser-assisted small incision lenticule extraction (SMILE) in rabbits and the subsequent healing process. METHODS: Fourteen New Zealand white rabbits were divided evenly into 2 groups. The rabbits in group A received SMILE procedures with a -6.00 D correction. The lenticules from group A were immediately inserted into a femtosecond laser-created corneal stromal pocket in group B...
February 2017: Cornea
https://www.readbyqxmd.com/read/28058160/long-term-results-of-small-incision-lenticule-extraction-in-high-myopia
#10
Yusuf Yıldırım, Cengiz Alagöz, Abdülvahit Demir, Onur Ölçücü, Mehmet Özveren, Alper Ağca, Engin Bilge Özgürhan, Ahmet Demirok
OBJECTIVES: To evaluate two-year results of small-incision lenticule extraction (SMILE) for correction of high myopia. MATERIALS AND METHODS: Forty-five eyes of 35 patients with mean spherical equivalent (SE) of -7.10±0.95 D who underwent routine SMILE by a single surgeon and were followed for at least 2 years were analyzed by retrospective chart review. SMILE was performed with a Visumax femtosecond laser (Carl Zeiss Meditec, Jena, Germany). Follow-up intervals were at 1, 6, 12, and 24 months after surgery...
October 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28007101/refractive-small-incision-lenticule-extraction-push-up-and-push-down-techniques
#11
Abdelmonem Hamed, Ahmed Fekry
: We describe 2 techniques for manipulating the edge of the lenticule in refractive small-incision lenticule extraction. In the push-up technique, an instrument with a Y-shaped tip is inserted through the incision and used to push the edge of the lenticule up, facilitating visualization of the edge of the lenticule, which might accelerate the learning curve of the beginning surgeon. The push-down technique is used if the surgeon notices that the lenticule is adherent to the cap after 1 surface has been dissected, making dissection of the superficial surface difficult...
December 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27992482/dry-eye-after-small-incision-lenticule-extraction-smile-versus-femtosecond-laser-assisted-in-situ-keratomileusis-fs-lasik-for-myopia-a-meta-analysis
#12
Zeren Shen, Yanan Zhu, Xiaohui Song, Jie Yan, Ke Yao
PURPOSE: To compare dry eye after small incision lenticule extraction (SMILE) and femtosecond laser-assisted LASIK (FS-LASIK) for correcting myopia. METHODS: CENTRAL, Embase and PubMed were searched in November 2016. All randomized controlled trials (RCTs) and prospective cohorts that compared dry eye after SMILE with FS-LASIK were selected. RESULTS: Five cohorts and one RCT were identified for comparing dry eye after SMILE (291 eyes) and FS-LASIK (277 eyes)...
2016: PloS One
https://www.readbyqxmd.com/read/27990379/analysis-and-management-of-intraoperative-complications-during-small-incision-lenticule-extraction
#13
Pei-Jin Qiu, Ya-Bo Yang
No abstract text is available yet for this article.
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/27957338/comparison-of-the-optical-quality-between-small-incision-lenticule-extraction-and-femtosecond-laser-lasik
#14
Ying Jin, Yan Wang, Lulu Xu, Tong Zuo, Hua Li, Rui Dou, Jiamei Zhang
Purpose. To investigate the visual quality after SMILE and Femto-LASIK. Methods. About 123 eyes from 63 patients were enrolled in this study. The parameters were measured preoperatively and 1 week, 1 month, and 3 months postoperatively using Sirius System. Results. The MTF curve increase slightly from low to high frequency at 3 mm and 6 mm pupil diameter after SMILE surgery (P < 0.05) during the follow-up time comparing with the preoperative values. And the SR has a significant increase at various pupil diameters as well (P < 0...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27936474/-three-years-follow-up-study-after-refractive-small-incision-lenticule-extraction-smile-using-500%C3%A2-khz-femtosecond-laser-in-fast-mode
#15
A Messerschmidt-Roth, W Sekundo, A Lazaridis, S Schulze
Background  The aim of this clinical trial was to check the results of laser built-in settings 3 years after ReLEx SMILE for moderate and high myopia in unselected "real life" patients. Patients and Methods  50 myopic eyes of 27 patients were called in for examination after 3 years. 25 of these eyes with a preoperative myopia under - 6D comprised the "moderate myopia subgroup". All surgeries were performed with the 500 kHz VisuMax® femtosecond laser (Carl Zeiss Meditec AG, Jena) in the "fast mode" setting...
January 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/27936473/outcome-of-a-severe-blunt-trauma-after-smile-small-incision-lenticule-extraction
#16
O Kostin, S Rebrikov, A Ovchinnikov, A Stepanov, K Takhchidi
No abstract text is available yet for this article.
January 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/27930797/unusual-severe-interface-inflammation-after-uneventful-small-incision-lenticule-extraction-smile
#17
Damien Guindolet, Abdellatif Badaoui, Maud Elluard, Sophie Stephan, Serge Doan, Isabelle Cochereau, Eric E Gabison
PURPOSE: To describe a 40-year-old woman who complained of visual loss in her left eye 3 days after an uneventful bilateral myopic refractive surgery by small incision lenticule extraction (SMILE). METHODS: Case report. RESULTS: A 4 × 5 mm anterior central stromal infiltration was observed with moderate pain associated with decreased corneal sensitivity and neither discharge nor fluorescein staining. Bacterial and fungal smears and cultures from the SMILE interface were negative and local antibiotic ineffective...
December 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27930794/using-donor-lenticules-obtained-through-smile-for-an-epikeratophakia-technique-combined-with-phototherapeutic-keratectomy
#18
Jing Zhao, Ling Sun, Yang Shen, Mi Tian, Peijun Yao, Xingtao Zhou
PURPOSE: To investigate the feasibility, safety, and efficacy of using a donor lenticule created during small incision lenticule extraction (SMILE) in an epikeratophakia technique combined with phototherapeutic keratectomy (PTK). METHODS: Six patients with decreased visual acuity due to a recurrence of corneal dystrophy were included in this prospective pilot study. PTK was performed using the MEL 80 excimer laser (Carl Zeiss Meditec, Jena, Germany) followed by the transplantation of donor lenticules onto the recipient eyes...
December 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27930792/corneal-thickness-after-smile-affects-scheimpflug-based-dynamic-tonometry
#19
Joaquín Fernández, Manuel Rodríguez-Vallejo, Javier Martínez, Ana Tauste, David P Piñero
PURPOSE: To evaluate the corneal biomechanical changes due to small incision lenticule extraction (SMILE) measured by Scheimpflug-based dynamic tonometry and to assess the impact of the corneal thickness. METHODS: Sixty-eight patients measured with the Corvis ST (Oculus Optikgeräte GmbH, Wetzlar, Germany) preoperatively and 1 month after SMILE were included in this retrospective observational study. Patients were divided into three groups depending on the preoperative spherical equivalent: low from -1...
December 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27916313/influence-of-the-flap-on-outcomes-in-corneal-refractive-surgery-with-femtosecond-laser-smile-vs-flex
#20
J L Alió, M El Bahrawy, A Angelov, D Ortiz, P Yébana
OBJECTIVE: To investigate the influence of creating a flap on the postoperative optical quality of the cornea in terms of predicted corneal curvature and Seidel aberrations after 2 modalities of femtosecond assisted corneal lenticule extraction laser for the correction of myopia and myopic astigmatism: The flapless procedure small incision lenticular extraction (SMILE) and the flap-based femtosecond lenticular extraction (FLEx). METHODS: The study is a prospective consecutive non-randomised comparative interventional case series including 64 eyes with myopic or myopic astigmatism refractive errors...
December 1, 2016: Archivos de la Sociedad Española de Oftalmología
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