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femtosecond small incision lenticule extraction

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https://www.readbyqxmd.com/read/29785082/control-matched-comparison-of-refractive-and-visual-outcomes-between-small-incision-lenticule-extraction-and-femtosecond-laser-assisted-lasik
#1
Takahiro Kataoka, Tomoya Nishida, Azusa Murata, Mayuka Ito, Naoki Isogai, Rie Horai, Takashi Kojima, Yoko Yoshida, Tomoaki Nakamura
Purpose: This retrospective case-matched study aimed to compare visual and refractive outcomes between small incision lenticule extraction (SMILE) and LASIK. Patients and methods: Patients who underwent SMILE (34 eyes of 23 patients) or LASIK (34 eyes of 24 patients) were enrolled and matched according to preoperative manifest refractive spherical equivalents. The mean preoperative manifest refractive spherical equivalent was -4.69±0.6 and -4.67±0.64 D in the SMILE and LASIK groups, respectively...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29776767/-visual-outcomes-5-years-after-small-incision-lenticule-extraction-smile-surgery-on-spherocylindrical-myopia-eyes-from-616-eyes
#2
J Burazovitch, H Ferguene, D Naguszewski
OBJECTIVE: Determine if the visual criteria of the technique of surgery refractive by Femtosecond Laser-assisted duckweed Extraction - Small Lenticule Extraction (FLEx-Smile® ), realized in the laser femtosecond VisuMax® (Carl Zeiss Meditec, Jena, Germany), are stable, secure, effective and predictable in the long term, to the nearsighted and astigmatic. MODEL OF THE STUDY: Retrospective study, monocentric with data collected between March 2012 and March 2017...
May 15, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29757850/corneal-irregular-astigmatism-and-curvature-changes-after-small-incision-lenticule-extraction-three-year-follow-up
#3
Haris Sideroudi, Apostolos Lazaridis, Anke Messerschmidt-Roth, Georgios Labiris, Vassilios Kozobolis, Walter Sekundo
PURPOSE: To evaluate the long-term changes in anterior and posterior corneal irregular astigmatism and curvatures after small incision lenticule extraction (SMILE). METHODS: Fifty eyes of 28 patients underwent SMILE for myopic astigmatism. All procedures were performed using the VisuMax® femtosecond laser. A Scheimpflug camera was used for preoperative and 3-year postoperative tomography. Anterior and posterior corneal Fourier parameters (spherical component, regular astigmatism, asymmetry, and irregularity) and curvature data were evaluated and compared within 2 subgroups according to the magnitude of the refractive correction (low myopia group: spherical equivalent (SEQ) ≥ -6 D; high myopia group: (SEQ) < -6 D)...
April 27, 2018: Cornea
https://www.readbyqxmd.com/read/29738585/circle-enhancement-after-myopic-smile
#4
Jakob Siedlecki, Nikolaus Luft, Wolfgang J Mayer, Martin Siedlecki, Daniel Kook, Bertram Meyer, Martin Bechmann, Rainer Wiltfang, Siegfried G Priglinger, Martin Dirisamer
PURPOSE: To report the outcomes of enhancement after small incision lenticule extraction (SMILE) using the VisuMax CIRCLE option (Carl Zeiss Meditec AG, Jena, Germany), which converts the SMILE cap into a femtosecond LASIK flap for secondary excimer laser application. METHODS: Of 2,065 SMILE procedures, 22 eyes (1.1%) re-treated with CIRCLE with a follow-up of 3 months were included in the analysis. SMILE was performed in the usual manner. For re-treatment, the CIRCLE procedure was performed with pattern D flap creation on the VisuMax system and subsequent excimer laser ablation with a Zeiss MEL 90 laser (Carl Zeiss Meditec) with plano target in all cases...
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29658366/a-novel-case-using-femtosecond-laser-acquired-lenticule-for-recurrent-pterygium-case-report-and-literature-review
#5
Om Prakash Pant, Ji-Long Hao, Dan-Dan Zhou, Fan Wang, Cheng-Wei Lu
Small incision lenticule extraction (SMILE) is a minimally invasive, safe and flapless femtosecond laser technique used mainly to correct myopia through extraction of a corneal lenticule. Lenticules obtained in this way are transparent and of high quality, and thus, can be used to treat other corneal diseases. A 65-year-old male patient presented with recurrent pterygium complicated by thin cornea. The patient was treated surgically using a SMILE-extracted lenticule to avoid further complications and to maintain eyeball integrity...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29600182/three-year-results-of-small-incision-lenticule-extraction-and-wavefront-guided-femtosecond-laser-assisted-laser-in-situ-keratomileusis-for-correction-of-high-myopia-and-myopic-astigmatism
#6
Li-Kun Xia, Jing Ma, He-Nan Liu, Ce Shi, Qing Huang
AIM: To compare and calculate the 3-year refractive results, higher-order aberrations (HOAs), contrast sensitivity (CS) and dry eye parameters after small incision lenticule extraction (SMILE) and wavefront-guided femtosecond laser-assisted laser in situ keratomileusis (FS-LASIK) for correction of high myopia and myopic astigmatism. METHODS: In this prospective, non-randomized comparative study, 78 eyes with spherical equivalent (SE) of -8.11±1.09 diopters (D) received a SMILE surgery, and 65 eyes with SE of -8...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29587979/keratophakia-with-autograft-aided-by-a-femtosecond-laser-one-year-follow-up
#7
Claudio Orlich
Autologous tissue from correction of myopia with small-incision lenticule extraction in 1 eye of a patient was used to enhance corneal curvature in the contralateral eye, in which a corneal ulcer had flattened the cornea. Regularization of the corneal tomography was achieved, improving the visual quality and visual capacity of the patient.
February 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29537886/corneal-densitometry-after-femtosecond-laser-assisted-in-situ-keratomileusis-fs-lasik-and-small-incision-lenticule-extraction-smile
#8
Mehdi Shajari, Emanuel Wanner, Vladimir Rusev, Shervin Mir Mohi Sefat, Wolfgang J Mayer, Thomas Kohnen, Siegfried Priglinger, Daniel Kook
PURPOSE: To compare corneal densitometry values after Femtosecond Laser-Assisted In Situ Keratomileusis (Fs-LASIK) and Small Incision Lenticule Extraction (SMILE) using Scheimpflug Imaging. METHODS: Our retrospective clinical trial included a total of 146 eyes where 57 eyes underwent Fs-LASIK and 89 eyes underwent SMILE. Examinations with a Pentacam Scheimpflug device (Oculus, Wetzlar, Germany) were performed before surgery, 1 week, 1 month, 3 months, 6 months, and 1 year after surgery...
May 2018: Current Eye Research
https://www.readbyqxmd.com/read/29429283/-advantages-and-disadvantages-of-femtosecond-laser-assisted-lasik-and-smile
#9
F J Zhang, M S Sun
With the development of excimer laser and femtosecond laser equipment, application of diversified and customized surgical decision in modern corneal refractive surgery has been an inevitable trend. However, how to make a personalized decision with an accurate surgical design to achieve better visual quality becomes the main focus in clinical applications. Small-incision lenticule extraction (SMILE) and femtosecond assisted laser in situ keratomileusis (FS-LASIK) have been commonly acknowledged as the mainstream of corneal refractive surgery for ametropia correction nowadays...
January 11, 2018: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29425387/intraoperative-patient-experience-and-postoperative-visual-quality-after-smile-and-lasik-in-a-randomized-paired-eye-controlled-study
#10
Iben B Damgaard, Marcus Ang, Mohamed Farook, Hla M Htoon, Jodhbir S Mehta
PURPOSE: To compare intraoperative and postoperative subjective patient experience after small incision lenticule extraction (SMILE) and femtosecond laser-assisted LASIK. METHODS: In a prospective, randomized, paired-eye, single-masked clinical trial at Singapore National Eye Centre, 70 patients were randomly treated with SMILE and LASIK in each eye. The intraoperative questionnaire was completed immediately after surgery and included light perception and levels of anxiety, fear, and discomfort...
February 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29416315/comparison-of-corneal-biomechanics-after-myopic-small-incision-lenticule-extraction-compared-to-lasik-an-ex-vivo-study
#11
Anastasios John Kanellopoulos
Purpose: To investigate ex vivo potentially different corneal biomechanical properties after small-incision lenticule extraction (SMILE) versus LASIK for myopic correction. Methods: Thirty human donor corneas were subjected to either myopic SMILE or femtosecond laser-assisted LASIK. Donor corneas were assigned to six investigative groups: Group A, -3.00 D (diopters) SMILE; Group B, -8.00 D SMILE; Group C, -3.00 D LASIK; and Group D, -8.00 D LASIK. Additionally, two control groups were formed: Group E, SMILE and Group F, LASIK...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29408829/femtosecond-laser-assisted-small-incision-endokeratophakia-using-a-xenogeneic-lenticule-in-rhesus-monkeys
#12
Miao He, He Jin, Hong He, Hui Ding, Wei Wang, Liangping Liu, Chi Zhang, Xingwu Zhong
PURPOSE: To evaluate the feasibility and safety of xenogeneic endokeratophakia in rhesus monkeys and to explore the effects of a concave lenticule on refractive power. METHODS: Three adult New Zealand white rabbits and 6 healthy rhesus monkeys were used. The xenogenic concave grafts were created from the rabbits using a modified small incision lenticule extraction technique; after being cryopreserved in glycerol for 1 week, the grafts were implanted into the monkey recipient corneas...
March 2018: Cornea
https://www.readbyqxmd.com/read/29394173/-meniscus-sign-to-identify-the-lenticule-edge-in-small-incision-lenticule-extraction
#13
Jeewan S Titiyal, Manpreet Kaur, Anand S Brar, Ruchita Falera
PURPOSE: To describe our technique of lenticule edge identification in small-incision lenticule extraction using the "meniscus sign" to prevent lenticule misdissection. METHODS: Femtosecond laser application for small-incision lenticule extraction was performed. A "double ring" was visible, signifying the edge of the cap cut (outer ring) and lenticule cut (inner ring). The anterior and posterior lamellar planes were delineated in 2 different directions...
June 2018: Cornea
https://www.readbyqxmd.com/read/29260098/management-of-incision-failure-during-small-incision-lenticule-extraction-because-of-conjunctivochalasis
#14
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/29251814/early-visual-outcomes-and-optical-quality-after-femtosecond-laser-small-incision-lenticule-extraction-for-myopia-and-myopic-astigmatism-correction-of-over-10-dioptres
#15
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/29216872/late-onset-diffuse-lamellar-keratitis-4-years-after-femtosecond-laser-assisted-small-incision-lenticule-extraction-a-case-report
#16
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
#17
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/29141390/-the-clinical-analysis-of-corneal-interface-fluid-syndrome-after-laser-lamellar-corneal-refractive-surgery
#18
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/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/29102130/early-clinical-outcomes-after-small-incision-lenticule-extraction-surgery-smile
#20
Alberto Recchioni, Andreas Hartwig, Jay Dermott, Sundeep Vaswani, Jay Bhatt, Robert Morris, Clare O'Donnell
PURPOSE: Dry eye is known to impact on clinical outcomes after laser vision correction and the use of a newer 'all femtosecond laser' surgical approach may be associated with less impact on the ocular surface post-operatively. The purpose of this study was to evaluate the early clinical outcomes and tear instability after the first small incision lenticule extraction (SMILE) cases undertaken by three surgeons at a single site in the UK. METHODS: Retrospective audit...
February 2018: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
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