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Small incision lenticule extraction

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https://www.readbyqxmd.com/read/28644239/effect-of-the-learning-curve-on-visual-and-refractive-outcomes-of-small-incision-lenticule-extraction
#1
Tommy C Y Chan, Alex L K Ng, George P M Cheng, Victor C P Woo, Jiamei Zhang, Yan Wang, Vishal Jhanji
PURPOSE: To investigate the effect of the learning curve for small-incision lenticule extraction during the first 2 years of experience. METHODS: Small-incision lenticule extraction was performed using the 500-kHz VisuMax femtosecond laser (Carl Zeiss Meditec) by the same surgeon. The initial 100 patients since the surgeon started operating independently were considered as group 1; the recent 100 patients were considered as group 2. The same laser settings and technique were used...
June 21, 2017: Cornea
https://www.readbyqxmd.com/read/28644232/case-of-presumed-transient-light-sensitivity-syndrome-after-small-incision-lenticule-extraction
#2
Jordan D Desautels, Majid Moshirfar, Tyler S Quist, David F Skanchy, Phillip C Hoopes
PURPOSE: To report the first presumed case of transient light-sensitivity syndrome (TLSS) after small-incision lenticule extraction (SMILE). METHODS: A 27-year-old male patient was treated for severe photophobic symptoms occurring 7 weeks after undergoing a bilateral SMILE procedure. His comprehensive ocular examination was unremarkable and his visual acuity was unaffected. Treatment was a month-long tapering dose of topical steroids. RESULTS: Photophobic symptoms fully resolved after steroid treatment...
June 21, 2017: Cornea
https://www.readbyqxmd.com/read/28631305/two-years-results-of-small-incision-lenticule-extraction-and-wavefront-guided-laser-in%C3%A2-situ-keratomileusis-for-myopia
#3
Hidenaga Kobashi, Kazutaka Kamiya, Akihito Igarashi, Masahide Takahashi, Kimiya Shimizu
PURPOSE: To compare the 2-years visual and refractive outcomes between small-incision lenticule extraction (SMILE) and wavefront-guided laser in situ keratomileusis (LASIK) in eyes with myopia and myopic astigmatism. METHODS: Our retrospective case-control study examined 30 eyes of 30 patients with the manifest refraction spherical equivalent (MRSE) of -3.71 ± 1.83 dioptres (D) who underwent SMILE and 30 eyes of 30 patients with MRSE of -3.81 ± 1.40 D who underwent wavefront-guided LASIK...
June 20, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28628503/influence-of-refractive-status-on-the-higher-order-aberration-pattern-after-small-incision-lenticule-extraction-surgery
#4
Liuyang Li, George P M Cheng, Alex L K Ng, Tommy C Y Chan, Vishal Jhanji, Yan Wang
PURPOSE: To study the effect of myopia on the pattern change in higher-order aberrations after small incision lenticule extraction. METHODS: Sixty eyes of 60 patients were included: low myopia (≤-3.00 D), moderate myopia (-3.00 D to -6.00 D), and high myopia (≥-6.00 D). Total higher-order aberrations (tHOA), vertical coma (C3), horizontal coma (C3), and spherical aberration (C4) were measured preoperatively and at postoperative 3 months. RESULTS: At the end of 3 months, tHOA changed significantly compared with the preoperative values (P < 0...
June 14, 2017: Cornea
https://www.readbyqxmd.com/read/28622316/corneal-densitometry-after-photorefractive-keratectomy-laser-assisted-in-situ-keratomileusis-and-small-incision-lenticule-extraction
#5
F Poyales, N Garzón, J Mendicute, I Illarramendi, P Caro, O Jáñez, F Argüeso, A López
PurposeThe aim of this study was to gain greater insight into the corneal densitometry changes occurring as a result of refractive surgery and to compare these changes across three widely used surgical techniques, namely, photorefractive keratectomy (PRK), laser-assisted in situ keratomileusis with a femtosecond laser (LASIK-FS), or ReLEx small-incision lenticule extraction (ReLEx SMILE).Patients and methodsThree hundred and thirty-six patients (184 male and 152 female patients) participated in this study. They were split into three groups according to the refractive surgery technique they had undergone: LASIK-FS (74 patients), PRK (153 patients), and ReLEx SMILE (109 patients)...
June 16, 2017: Eye
https://www.readbyqxmd.com/read/28601344/predictability-of-smile-over-four-years-in-high-myopes
#6
J Burazovitch, D Naguzeswski, T Beuste, M Guillard
OBJECTIVE: To determine whether the visual outcomes of the refractive surgery technique small incision lenticule extraction (SMILE), are stable, effective, and predictable for high myopia over a four-year period. RESEARCH DESIGN: This is a retrospective study. The data were collected between March 2012 and July 2016. PARTICIPANTS: Two hundred and forty-eight patients participated in the study; that is, 496 eyes: 140 eyes of 70 patients (52 women/18 men) were classified into the highly myopic group (refraction measured in spherical equivalent (RMSE)>-6 D), and 356 eyes of 178 patients (98 women/80 men) into the control group (RMSE<-6 D)...
June 7, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28594648/risk-profiles-of-ectasia-after-keratorefractive-surgery
#7
Pushpanjali Giri, Dimitri T Azar
PURPOSE OF REVIEW: To identify and evaluate the risk factors of iatrogenic ectasia after refractive surgery. RECENT FINDINGS: We reviewed recently published papers that identified various risk factors associated with ectasia after LASIK, photorefractive keratectomy, small incision lenticule extraction, and other refractive surgical procedures. We also attempted to evaluate the relative contributions of these factors to the development of ectasia following refractive surgery...
July 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28586497/a-three-year-observation-of-corneal-backscatter-after-small-incision-lenticule-extraction-smile
#8
Tian Han, Jing Zhao, Yang Shen, Yingjun Chen, Mi Tian, Xingtao Zhou
PURPOSE: To investigate changes in corneal backscatter after small incision lenticule extraction (SMILE). METHODS: One eye was randomly selected from 34 patients who underwent SMILE procedures. Corneal backscatter was analyzed using Scheimpflug technology before surgery and at postoperative 1 day, 1 week, 1 month, 3, 6, and 12 months, and 3 years. Three different corneal depths (the anterior 120 µm, the center, and the posterior 60 µm) and three concentric radial zones (0 to 2, 2 to 6, and 6 to 10 mm) were analyzed...
June 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28586496/small-incision-lenticule-extraction-smile-for-hyperopia-optical-zone-diameter-and-spherical-aberration-induction
#9
Dan Z Reinstein, Kishore R Pradhan, Glenn I Carp, Timothy J Archer, Marine Gobbe, Walter Sekundo, Raynan Khan, Purushottam Dhungana
PURPOSE: To evaluate optical zone diameter efficacy and spherical aberration change in hyperopic small incision lenticule extraction (SMILE). METHODS: Prospective study of 60 consecutive hyperopic SMILE procedures using the VisuMax femtosecond laser (Carl Zeiss Meditec, Jena, Germany) and matched LASIK procedures with the VisuMax and MEL 80 excimer (Carl Zeiss Meditec) lasers. Inclusion criteria were maximum attempted hyperopic meridian of between +1.00 and +7.00 diopters (D)...
June 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28551832/comparison-of-relex-smile-and-prk-in-terms-of-visual-and-refractive-outcomes-for-the-correction-of-low-myopia
#10
Sri Ganesh, Sheetal Brar, Utsav Patel
PURPOSE: To compare the objective and subjective quality of vision after femtosecond laser-assisted small incision lenticule extraction (SMILE) and photorefractive keratectomy (PRK) for low myopia. METHODS: One hundred and twenty eyes from 60 patients (34 females, 26 males) undergoing bilateral correction of low myopia (≤-4 D SE) with either ReLEx SMILE or PRK were included. Visual acuity, contrast sensitivity and higher-order aberrations were recorded preoperatively and compared postoperatively...
May 27, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28545414/the-observation-during-small-incision-lenticule-extraction-for-myopia-with-corneal-opacity
#11
Shaowei Zhang, Haipeng Xu, Ke Zheng, Jing Zhao, Weijun Jian, Meiyan Li, Xingtao Zhou
BACKGROUND: To evaluate the feasibility and efficacy of small incision lenticule extraction (SMILE) in the treatment of myopia with corneal opacity. METHODS: To evaluate the treatment of myopia with corneal opacity, 9 patients (4 males, 5 females) who underwent SMILE were enrolled in this prospective clinical study. One eye of each patient was treated. The results of laser scanning and lenticule extraction were observed during the surgery, and the surgical videos were again reviewed after surgery...
May 25, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28532930/comparison-of-immediate-small-incision-lenticule-extraction-after-suction-loss-with-uneventful-small-incision-lenticule-extraction
#12
Jin Hyoung Park, Hyung Jin Koo
PURPOSE: To evaluate and compare the predictability and safety of immediate small-incision lenticule extraction, also known as SMILE, after suction loss during the procedure with those of uneventful small-incision lenticule extraction. SETTING: Nunemiso Eye Center, Seoul, South Korea. DESIGN: Retrospective case series. METHODS: Patients who had immediate small-incision lenticule extraction using reapplied suction (study group) or uneventful small-incision lenticule extraction (control group) for myopia or myopic astigmatism were included...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532929/visual-and-refractive-outcomes-of-small-incision-lenticule-extraction-in-mild-moderate-and-high-myopia-six-month-results
#13
Magda A Torky, Yousif A Alzafiri
PURPOSE: To evaluate the efficacy, safety, predictability, and stability of small-incision lenticule extraction in low, moderate, and high myopia. DESIGN: Prospective case series. METHODS: Eyes were divided into a low myopia group (spherical equivalent [SE] refraction -1.00 to -3.00 diopters [D]), moderate myopia group (SE refraction of -3.25 to -6.00 D), and high myopia group (SE refraction -6.25 to -10.00 D). Small-incision lenticule extraction surgery was performed, and outcomes were reported 6 months postoperatively...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532926/sequential-segmental-terminal-lenticular-side-cut-dissection-for-safe-and-effective-small-incision-lenticule-extraction-in-thin-lenticules
#14
Soosan Jacob, Amar Agarwal, Cosimo Mazzotta, Athiya Agarwal, John Michael Raj
Small-incision lenticule extraction may be associated with complications such as partial lenticular dissection, torn lenticule, lenticular adherence to cap, torn cap, and sub-cap epithelial ingrowth, some of which are more likely to occur during low-myopia corrections. We describe sequential segmental terminal lenticular side-cut dissection to facilitate minimally traumatic and smooth lenticular extraction. Anterior lamellar dissection is followed by central posterior lamellar dissection, leaving a thin peripheral rim and avoiding the lenticular side cut...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28503439/dry-eye-and-corneal-sensitivity-after-small-incision-lenticule-extraction-and-femtosecond-laser-assisted-in-situ-keratomileusis-a-meta-analysis
#15
Wen-Ting Cai, Qing-Yu Liu, Cheng-Da Ren, Qing-Quan Wei, Jun-Ling Liu, Qian-Yi Wang, Ya-Ru Du, Meng-Mei He, Jing Yu
AIM: To assess the corneal sensitivity and the incidences of dry eye after small incision lenticule extraction (SMILE) and femtosecond laser-assisted in situ keratomileusis (FS-LASIK). METHODS: The Meta-analysis was performed using RevMan 5.3. We searched on PubMed from inception to March 2016. Summary weighted mean difference (WMD) and 95% confidence intervals (CIs) were used to analyze the datum. Random-effects or fixed-effects models were chosen up to between-study heterogeneity...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28499707/lower-laser-energy-levels-lead-to-better-visual-recovery-after-small-incision-lenticule-extraction-prospective-randomized-clinical-trial
#16
Yong Woo Ji, Minseo Kim, David Sung Yong Kang, Dan Z Reinstein, Timothy J Archer, Jin Young Choi, Eung Kweon Kim, Hyung Keun Lee, Kyoung Yul Seo, Tae-Im Kim
PURPOSE: To determine the effect of lowering laser energy on clinical outcomes in small-incision lenticule extraction (SMILE). DESIGN: Prospective randomized clinical trial. METHODS: A total of 151 patients (151 eyes) with moderate myopia scheduled for SMILE were included: 58 eyes received SMILE with low energy (100, 105, and 110 nJ; L-SMILE group) and 93 with conventional energy (115-150 nJ; C-SMILE group). Patients received complete ophthalmic examinations preoperatively and over 3 months postoperatively...
July 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28494492/biomechanical-differences-between-femtosecond-lenticule-extraction-flex-and-small-incision-lenticule-extraction-smile-tested-by-2d-extensometry-in-ex-vivo-porcine-eyes
#17
Bogdan Spiru, Sabine Kling, Farhad Hafezi, Walter Sekundo
Purpose: To evaluate the biomechanical stability of ex vivo porcine corneas after femtosecond lenticule extraction (FLEx) and small incision lenticule extraction (SmILE) refractive surgeries. Methods: Forty-five porcine eyes were equally divided into three groups: Groups 1 and 2 were treated with FLEx and SmILE procedure, respectively. Group 3 served as control. A refractive correction of -14 diopters (D) with a 7-mm zone using either a 160-μm flap (FLEx) or a 160-μm cap (SmILE) was performed...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28486727/as-oct-as-a-rescue-tool-during-difficult-lenticule-extraction-in-smile
#18
Jeewan S Titiyal, Anubha Rathi, Manpreet Kaur, Ruchita Falera
PURPOSE: To report a case of lenticule adherent to the anterior cap during small incision lenticule extraction (SMILE) and its subsequent management aided by anterior segment optical coherence tomography (AS-OCT). METHODS: Case report. RESULTS: A 24-year-old woman presented with high myopia of -8.00 -0.50 @ 180° in the right eye and -8.00 -0.25 @ 180° in the left eye and underwent SMILE. In the right eye, difficulty was experienced in separating the lenticule from adjacent stroma...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28486721/topography-guided-lasik-versus-small-incision-lenticule-extraction-smile-for-myopia-and-myopic-astigmatism-a-randomized-prospective-contralateral-eye-study
#19
Anastasios John Kanellopoulos
PURPOSE: To compare safety and efficacy of topography-guided LASIK and contralateral eye SMILE for myopia and myopic astigmatism correction. METHODS: This prospective, randomized contralateral eye study included 44 eyes of 22 patients with bilateral myopia or myopic astigmatism. Treated eyes were divided into two groups: 22 eyes were treated with topography-guided LASIK and the fellow eye of each patient was treated with SMILE. The following parameters were evaluated preoperatively and up to 3 months postoperatively: uncorrected distance vision acuity (UDVA), corrected distance vision acuity (CDVA), refractive error, corneal keratometry, contrast sensitivity, and Objective Scatter Index...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28486720/comparative-analysis-of-the-clinical-outcomes-of-smile-and-wavefront-guided-lasik-in-low-and-moderate-myopia
#20
Mounir A Khalifa, Ahmed Ghoneim, Mohamed Shafik Shaheen, Mohamed G Aly, David P Piñero
PURPOSE: To compare the clinical outcomes of small incision lenticule extraction (SMILE) and wavefront-guided LASIK (WFG LASIK) in eyes with low and moderate myopia. METHODS: This was a prospective, comparative study enrolling 110 eyes with low and moderate myopia (spherical equivalent ≤ 6.00 diopters [D]). Two groups were differentiated according to the surgical technique used: the WFG LASIK group included 51 eyes (51 patients) undergoing WFG LASIK using the STAR S4IR excimer laser and the iDesign aberrometer (Abbott Medical Optics, Abbott Park, IL) and the SMILE group included 59 eyes (59 patients) undergoing SMILE with the VisuMax platform (Carl Zeiss Meditec, Jena, Germany)...
May 1, 2017: Journal of Refractive Surgery
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