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Small incision lenticule extraction

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https://www.readbyqxmd.com/read/29315436/energy-setting-and-visual-outcomes-in-smile-a-retrospective-cohort-study
#1
Liuyang Li, Julie M Schallhorn, Jiaonan Ma, Tong Cui, Yan Wang
PURPOSE: To assess the independent effect of energy setting on postoperative uncorrected distance visual acuity (UDVA) in small incision lenticule extraction (SMILE) and further investigate an optimal energy setting for the 4.5-μm spot-track-distance, which is in wide clinical use. METHODS: A total of 1,130 eyes were included in a retrospective cohort study from Tianjin Eye Hospital, Tianjin Medical University from April 2015 to July 2016. Energy settings and baseline characteristics were recorded and 3-month UDVA was tested by a nurse blinded to the energy settings used...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29283117/refractive-lenticule-extraction-small-incision-lenticule-extraction-a-new-refractive-surgery-paradigm
#2
REVIEW
Sri Ganesh, Sheetal Brar, Raghavender Reddy Arra
Small incision lenticule extraction (SMILE), a variant of refractive lenticule extraction technology is becoming increasingly popular, as a flapless and minimally invasive form of laser vision correction (LVC) for the treatment of myopia and myopic astigmatism. This review aims at summarizing the principles, surgical technique, and clinical outcomes in terms of visual and refractive results, safety, efficacy, postoperative dry eye, aberrations, and biomechanics of SMILE and its comparison with other conventional techniques of LVC, such as laser in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK)...
January 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29260098/management-of-incision-failure-during-small-incision-lenticule-extraction-because-of-conjunctivochalasis
#3
Bu Ki Kim, Su Joung Mun, Dae Gyu Lee, Hyun Tae Choi, Young Taek Chung
Purpose: We report a case of incision failure during small incision lenticule extraction (SMILE) and its management. Observations: The incision could not be made using the femtosecond laser because of a redundant conjunctiva, so it was instead done manually using a diamond knife. The lenticule was successfully separated and extracted. Three months after the procedure, the uncorrected distance visual acuity was 20/20 and no complication was observed. Conclusions and importance: This case demonstrates that the conjunctiva should be carefully examined before SMILE...
September 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29259313/tuck-in-lamellar-keratoplasty-with-an-lenticule-obtained-by-small-incision-lenticule-extraction-for-treatment-of-post-lasik-ectasia
#4
Yang Jiang, Ying Li, Shan Yang, Thomas Chengxuan Lu
Corneal ectasia is a rare but serious post-operative complication of LASIK. Our main aim was to describe and evaluate the efficacy and safety of tuck-in lamellar keratoplasty with an lenticule obtained by SMILE for treatment of Post LASIK Ectasia. Tuck-in lamellar keratoplasty was performed on three post-LASIK cornea ectasia patients (three eyes) with central corneal thickness less than 400 µm. Each patient was monitored for at least 12 months. Our primary outcomes measured pre and post-operatively included: Anterior segment optical coherence tomography(AS-OCT), corneal topography and monitored by slit-lamp microscopy...
December 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29251814/early-visual-outcomes-and-optical-quality-after-femtosecond-laser-small-incision-lenticule-extraction-for-myopia-and-myopic-astigmatism-correction-of-over-10-dioptres
#5
Bing Qin, Meiyan Li, Xun Chen, Walter Sekundo, Xingtao Zhou
PURPOSE: To investigate early visual and refractive outcomes, corneal stability and optical quality after femtosecond laser small-incision lenticule extraction (SMILE) for treating myopia and myopic astigmatism over -10 D. METHODS: Thirty eyes (30 patients) with myopia and myopic astigmatism of over -10 D were treated with VisuMax® femtosecond laser (version 3.0; Carl Zeiss Meditec AG, Jena, Germany). Six months postoperative safety, efficacy and predictability were evaluated...
December 18, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29227514/management-and-outcomes-of-retained-lenticules-and-lenticule-fragments-removal-after-failed-primary-smile-a-case-series
#6
Sri Ganesh, Sheetal Brar, Apostolos Lazaridis
PURPOSE: To describe the management of and report the outcomes following the removal of retained lenticules or lenticule fragments after a complicated small incision lenticule extraction (SMILE). METHODS: Three patients were referred for consultation due to intraoperative complications during SMILE. In case 1, the lenticule was torn during extraction and a central fragment was retained in the pocket. In case 2, the inferior part of the lenticule remained attached at the anterior plane and its detached, superior part was dislocated and folded at the inferior part of the pocket...
December 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29227511/predictive-formula-for-refraction-of-autologous-lenticule-implantation-for-hyperopia-correction
#7
Meng Li, Meiyan Li, Ling Sun, Katherine Ni, Xingtao Zhou
PURPOSE: To create a formula to predict refractive correction of autologous lenticule implantation for correction of hyperopia (with myopia in one eye and hyperopia in the contralateral eye). METHODS: In this prospective study, 10 consecutive patients (20 eyes) who had myopia in one eye and hyperopia in the contralateral eye were included. The preoperative spherical equivalent was -3.31 ± 1.73 diopters (D) for the myopic eyes and +4.46 ± 1.97 D for the hyperopic eyes...
December 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29223235/determining-total-corneal-power-after-small-incision-lenticule-extraction-in-myopic-eyes
#8
Pinghui Wei, Yan Wang, Tommy C Y Chan, Alex L K Ng, George P M Cheng, Vishal Jhanji
PURPOSE: To evaluate the methods to correct corneal power after myopic small-incision lenticule extraction (SMILE) and to estimate the preoperative corneal power based on postoperative values. SETTING: Tianjin Eye Hospital, Tianjin, China. DESIGN: Retrospective case series. METHODS: Equivalent keratometry (K) and mean K readings were obtained with the Pentacam HR. The clinical history method was used to calculate the theoretical postoperative K, which was then compared with equivalent K readings...
November 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29223224/combined-interface-tattooing-and-fibrin-glue-assisted-sutureless-corneal-resurfacing-with-donor-lenticule-obtained-from-small-incision-lenticule-extraction-for-limbal-dermoid
#9
Soosan Jacob, Smita Narasimhan, Amar Agarwal, Athiya Agarwal, Saijimol Ai
We describe a technique of small-incision lenticule extraction (SMILE)-assisted sutureless corneal resurfacing with interface tattooing for superficial limbal dermoids. After excision at a plane minimally below surrounding normal cornea and sclera, a corneal tattoo powder is carefully applied within an inked circular outline of the intended corneal margin. Circularity and cosmesis are assessed in natural light with the microscope light off. Fibrin glue-assisted corneal resurfacing is performed with the lenticule...
November 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29216872/late-onset-diffuse-lamellar-keratitis-4%C3%A2-years-after-femtosecond-laser-assisted-small-incision-lenticule-extraction-a-case-report
#10
Meiyan Li, Dong Yang, Yingjun Chen, Meng Li, Tian Han, Xingtao Zhou, Katherine Ni
BACKGROUND: To report a first case of late-onset diffuse lamellar keratitis (DLK) occurring 4 years after femtosecond laser-assisted small incision lenticule extraction (SMILE). CASE PRESENTATION: A 41-year-old man who underwent SMILE 4 years prior developed DLK in the right eye 1 day after he was struck in the eye by a finger while playing with his son. Slim-lamp microscopy and anterior segment optical coherence tomography (AS-OCT) were used to evaluate the cornea of the right eye...
December 8, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29181310/femtosecond-laser-corneal-refractive-surgery-for-the-correction-of-high-myopic-anisometropic-amblyopia-in-juveniles
#11
Jing Zhang, Ke-Ming Yu
AIM: To evaluate the effects of femtosecond laser-assisted in situ keratomileusis (FS-LASIK) and small-incision lenticule extraction (SMILE) to correct high myopic anisometropic amblyopia in juvenile patients. METHODS: From November 2013 to January 2015, 33 amblyopic patients with high myopic anisometropic amblyopia were studied. FS-LASIK (30 eyes) or SMILE (3 eyes) was performed in the amblyopic eyes. Visual acuity, refraction, contrast sensitivity, stereoacuity and complications were evaluated...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29167808/small-incision-lenticule-extraction-smile-in-the-correction-of-myopic-astigmatism-outcomes-and-limitations-an-update
#12
REVIEW
Jorge L Alió Del Barrio, Verónica Vargas, Olena Al-Shymali, Jorge L Alió
Small Incision Lenticule Extraction (SMILE) is a flap-free intrastromal technique for the correction of myopia and myopic astigmatism. To date, this technique lacks automated centration and cyclotorsion control, so several concerns have been raised regarding its capability to correct moderate or high levels of astigmatism. The objective of this paper is to review the reported SMILE outcomes for the correction of myopic astigmatism associated with a cylinder over 0.75 D, and its comparison with the outcomes reported with the excimer laser-based corneal refractive surgery techniques...
2017: Eye and Vision (London, England)
https://www.readbyqxmd.com/read/29148031/small-incision-lenticule-extraction-smile-monovision-for-presbyopia-correction
#13
Nikolaus Luft, Jakob Siedlecki, Walter Sekundo, Christian Wertheimer, Thomas C Kreutzer, Wolfgang J Mayer, Siegfried G Priglinger, Martin Dirisamer
PURPOSE: To evaluate the outcomes of myopic small incision lenticule extraction (SMILE) monovision in presbyopic patients. METHODS: This study included 49 presbyopic patients older than 45 years seeking surgical correction of myopia or myopic astigmatism who underwent bilateral SMILE with planned monovision in the SMILE Eyes Clinic Linz, Austria. Target refraction was plano for dominant (distance) eyes and ranged between -1.25 and -0.50 D for nondominant (near) eyes...
November 4, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29141390/-the-clinical-analysis-of-corneal-interface-fluid-syndrome-after-laser-lamellar-corneal-refractive-surgery
#14
K J Lin, J Chen, W Lin, X D Lin, Y M Zhou, L D Zheng, Y Tong
Objective: To analysis, the clinical characteristics, refractive changes, and clinical treatment of interface fluid syndrome after laser lamellar corneal refractive surgery. Methods: During Dec. 2010 to Apr. 2016. In total 6 cases(9 eyes), 3 cases were bilateral, 3 cases were unilateral. Five patients were male and 1 was female. The age of the patients ranged from 20 to 29 years was (24.83±4.02) years. Six cases(9 eyes)of IFS were diagnosed at our hospital. The history and complete ophthalmic examination that include Slit-lamp examination, Slit-lamp photography, refraction, corneal thickness measurement, corneal endothelial cell counting, IOP, anterior segment OCT(AS-OCT), exams were recorded...
November 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29123364/corneal-lenticule-storage-before-reimplantation
#15
Yu-Chi Liu, Geraint P Williams, Ben L George, Yu Qiang Soh, Xin Yi Seah, Gary Swee Lim Peh, Gary Hin Fai Yam, Jodhbir S Mehta
Purpose: To explore the optimal lenticule storage conditions that maintain lenticule integrity and clarity. Methods: A total of 99 lenticules obtained from myopic patients undergoing small incision lenticule extraction (SMILE) were divided into four combinations for short-term storage conditions: PBS, Dulbecco's Modified Eagle's Medium (DMEM), Optisol GS, or anhydrous glycerol. Two thirds of the lenticules were further stored for 4 weeks under eight different conditions...
2017: Molecular Vision
https://www.readbyqxmd.com/read/29122820/comparing-a-new-hydroexpression-technique-with-conventional-forceps-method-for-smile-lenticule-removal
#16
Alex L K Ng, George P M Cheng, Victor C P Woo, Vishal Jhanji, Tommy C Y Chan
BACKGROUND: We described a modified 'hydroexpression' technique for the lenticule removal during small-incision lenticule extraction (SMILE) surgery and compared the results with conventional forceps method. METHODS: This was a retrospective, comparative study of 50 patients who underwent SMILE surgery by the same surgeon. We compared the 1-week and 3-months postoperative results after SMILE using the hydroexpression technique with the conventional forceps technique...
November 9, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29120709/microscope-integrated-intraoperative-optical-coherence-tomography-guided-small-incision-lenticule-extraction-new-surgical-technique
#17
Namrata Sharma, Jayanand Urkude, Manthan Chaniyara, Jeewan S Titiyal
We describe the surgical technique of microscope-integrated intraoperative optical coherence tomography (OCT)-guided small-incision lenticule extraction. The technique enables manual tracking of surgical instruments and identification of the desired dissection plane. It also helps discern the relation between the dissector and the intrastromal lenticule. The dissection plane becomes hyperreflective on dissection, ensuring complete separation of the intrastromal lenticule from the overlying and underlying stroma...
October 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29117422/erratum-for-mathematical-model-to-compare-the-relative-tensile-strength-of-the-cornea-after-prk-lasik-and-small-incision-lenticule-extraction
#18
(no author information available yet)
No abstract text is available yet for this article.
November 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29117420/intraoperative-optical-coherence-tomography-guided-management-of-cap-lenticule-adhesion-during-smile
#19
Jayanand Urkude, Jeewan S Titiyal, Namrata Sharma
PURPOSE: To report successful lenticule extraction using intraoperative optical coherence tomography (OCT) in a case of cap-lenticule adhesion during small incision lenticule extraction (SMILE). METHODS: Case report. RESULTS: A 22-year-old patient with a refractive error of -5.00 -0.50 × 120° and -5.00 -0.75 × 60° in the right and left eyes, respectively, was scheduled for SMILE. The lenticule was created using the VisuMax femtosecond laser system (Carl Zeiss Meditec, Jena, Germany)...
November 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29117419/secondary-lenticule-remnant-removal-after-smile
#20
Alex L K Ng, Peter S K Kwok, Tommy C Y Chan
PURPOSE: The authors report four cases of residual intrastromal lenticule after seemingly uneventful small incision lenticule extraction (SMILE) surgery and the outcome after a secondary procedure to remove the lenticule remnant. METHODS: Case reports. RESULTS: All four cases presented with suboptimal corrected distance visual acuity (CDVA) and refractive surprise. Irregularities in the corneal curvature and elevation were detected on corneal topography and tomography...
November 1, 2017: Journal of Refractive Surgery
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