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Cataract refractive femtosecond

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https://www.readbyqxmd.com/read/29117413/comparison-of-wound-sealability-between-femtosecond-laser-constructed-and-manual-clear-corneal-incisions-in-patients-undergoing-cataract-surgery-a-pilot-study
#1
Harvey Siy Uy, Sunil Shah, Mark Packer
PURPOSE: To compare the sealability of femtosecond laser-constructed and manual clear corneal incisions (CCIs) in patients undergoing cataract surgery. METHODS: This prospective, randomized study included 62 eyes of 62 patients with cataract grade 1 to 2 (LOCS scale). The patients were randomly assigned (1:1) for creation of either manual CCI (with a 2.4-mm keratome) or femtosecond laser-assisted CCI (LENSAR, Inc., Orlando, FL) (31 eyes in each group) before undergoing femtosecond laser-assisted cataract surgery...
November 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29075096/a-novel-nomogram-for-the-treatment-of-astigmatism-with-femtosecond-laser-arcuate-incisions-at-the-time-of-cataract-surgery
#2
Connor J Baharozian, Christian Song, Kathryn M Hatch, Jonathan H Talamo
PURPOSE: The purpose of this study was to determine an arcuate incision (AI) nomogram to treat astigmatism during femtosecond laser-assisted cataract surgery. METHODS: This is a retrospective, cohort study. Femtosecond laser (FSL)-assisted transepithelial AIs were created at a 9.0 mm optical zone, 80% depth, centered on the limbus. We modified the manual Donnenfeld limbal relaxing incision nomogram to 70% for with-the-rule (WTR), 80% for oblique (OBL), and 100% for against-the-rule (ATR) astigmatism...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28991340/comparison-of-corneal-endothelial-cell-loss-between-two-femtosecond-laser-platforms-and-standard-phacoemulsification
#3
Zaina Al-Mohtaseb, Xu He, Nilufer Yesilirmak, Daniel Waren, Kendall E Donaldson
PURPOSE: To analyze and compare the changes in endothelial cell density (ECD) and cumulative dissipated energy (CDE) in patients having cataract surgery with two different femtosecond laser platforms and standard phacoemulsification. METHODS: This prospective non-randomized comparative study included patients scheduled to undergo cataract extraction using femtosecond laser-assisted cataract surgery (FLACS) (60 eyes) or standard phacoemulsification (60 eyes) between September 2013 and March 2016...
October 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28991334/femtosecond-laser-assisted-capsulotomy-histological-comparison-of-four-different-laser-platforms
#4
Fritz H Hengerer, Michel Mittelbronn, Martin-Leo Hansmann, Gerd U Auffarth, Ina Conrad-Hengerer
PURPOSE: To compare histological analyses of capsulotomies from different laser systems with regard to tissue alteration, laser spot formation, and energy settings. METHODS: Four femtosecond laser platforms approved for cataract surgery were evaluated: LenSx (Alcon Laboratories, Inc., Fort Worth, TX), Catalys (Abbott Medical Optics, Santa Ana, CA), Victus (Tecnolas/Bausch & Lomb, Munich, Germany), and LensAR (Topcon, Gamagori, Japan). Ten human anterior lens capsulotomy disks from each laser system were analyzed: five by means of light microscopy and five by transmission electron microscopy (TEM)...
October 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28974221/femtosecond-laser-assisted-cataract-surgery-in-patients-with-phakic-intraocular-lenses-and-low-endothelial-cell-counts-a-case-report
#5
Chia-Yi Lee, Shih-Chun Chao, Chi-Chin Sun, Hung-Yu Lin
BACKGROUND: Phakic intraocular lens (PIOL) implantation has been used to correct myopia and myopic astigmatism, although corneal decompensation can occur after implantation. Femtosecond laser-assisted cataract surgery (FLACS) has gained in popularity due to its lower postoperative astigmatism and endothelial loss. Herein, we report the use of FLACS in patients who previously received PIOL implantation and have a low corneal endothelial cell count. CASE PRESENTATION: Two patients with a previous iris-claw PIOL implantation were enrolled...
October 3, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28931181/-refractive-lens-exchange
#6
Fritz H Hengerer, Ina Conrad-Hengerer
In refractive surgery the removal of the natural lens followed by implantation of an artificial intraocular lens has been an established method to treat refractive errors. The term "clear lens exchange" separates this approach from cataract surgery, where a cloudy lens has to be removed. With regard to currently available intraocular lens technologies, there is a wide range to correct myopia, hyperopia as well as astigmatism. Trifocal or extended depth-of-focus lenses (EDOF) even with a toric component offer the patients a potential benefit to further address presbyopia, respectively...
October 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28885242/the-use-of-femtosecond-laser-in-refractive-and-cataract-surgery
#7
Natalie Homer, Ula V Jurkunas
No abstract text is available yet for this article.
2017: International Ophthalmology Clinics
https://www.readbyqxmd.com/read/28774512/impact-of-lens-densitometry-on-phacoemulsification-parameters-and-usage-of-ultrasound-energy-in-femtosecond-laser-assisted-lens-surgery
#8
Ghada Al-Khateeb, Mehdi Shajari, Krishnapoojita Vunnava, Kerstin Petermann, Thomas Kohnen
OBJECTIVE: The aim of this study was to find the correlation between lens densitometry measurements using Pentacam Scheimpflug imaging system with equivalent average ultrasound power and cumulative dissipated energy (CDE) in femtosecond laser-assisted lens surgery (FLALS). METHODS: One hundred and twenty-four eyes were analyzed retrospectively, of which 109 had undergone cataract surgery and 15 had received refractive lens exchange with FLALS. Using the Pentacam Nucleus Staging (PNS) lens densitometry program, preoperative mean lens density and cataract grading score were evaluated...
August 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28604979/femtosecond-laser-assisted-cataract-in-vitreoretinal-surgery
#9
Stanislao Rizzo, Daniela Bacherini, Francesco Faraldi, Marco Pellegrini, Cesare Mariotti
PURPOSE: To assess the safety and surgical results of femtosecond laser-assisted phacovitrectomy. METHODS: Fifteen patients over 50 years of age with coexisting vitreoretinal pathologies and cataract underwent combined femtosecond laser-assisted cataract extraction and sutureless 25-G and 27-G vitreoretinal surgery. RESULTS: The indication for surgery was macular hole in 6 patients, epiretinal membrane in 6, vitreous hemorrhage in 2, and retinal detachment in 1...
August 30, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28540082/a-meta-analysis-comparing-postoperative-complications-and-outcomes-of-femtosecond-laser-assisted-cataract-surgery-versus-conventional-phacoemulsification-for-cataract
#10
REVIEW
Zi Ye, Zhaohui Li, Shouzhi He
Objective. This meta-analysis aimed to compare the outcomes and postoperative complications between femtosecond laser-assisted cataract surgery (FLACS) and conventional phacoemulsification cataract surgery (CPCS). Methods. Bibliographic databases, including PubMed, Embase, and Cochrane library, were systematically searched for references on or before September 2015 regarding the outcomes and complications by FLACS or CPCS. Data on corneal endothelial cell loss, uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), refractive outcomes, and postoperative complications were retrieved...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28407162/effects-of-short-term-preoperative-topical-ketorolac-on-pupil-diameter-in-eyes-undergoing-femtosecond-laser-assisted-capsulotomy
#11
Vasilios F Diakonis, Georgios A Kontadakis, Apostolos G Anagnostopoulos, Nilufer Yesilirmak, Daniel P Waren, Florence Cabot, Sonia H Yoo, Kendall E Donaldson
PURPOSE: To assess pupil diameter before and after femtosecond laser-assisted capsulotomy in patients who were pretreated with a short-term topical nonsteroidal anti-inflammatory drug (NSAID) (ketorolac) versus those without pretreatment. METHODS: This prospective, randomized, observational case series included consecutive patients scheduled to undergo cataract extraction using the Catalys femtosecond laser platform (Abbott Medical Optics, Inc., Santa Ana, CA) to perform only capsulotomies...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28192584/laser-assisted-capsulotomy-centration-a-prospective-trial-comparing-pupil-versus-oct-based-scanned-capsule-centration
#12
RANDOMIZED CONTROLLED TRIAL
Tim Schultz, Nikolaos Tsiampalis, H Burkhard Dick
PURPOSE: To investigate different capsulotomy centration methods for femtosecond laser-assisted cataract surgery. The overlap between intraocular lens (IOL) optic and lens capsule was measured with different centration methods and IOL types. METHODS: This was a prospective randomized clinical trial. Patients with cataract scheduled for femtosecond laser-assisted cataract surgery were assigned to one of four treatment groups: optical coherence tomography (OCT)-based scanned capsule centration (SCC) and three-piece IOL (SCC with three-piece IOL); scanned capsule centration and plate-haptic IOL (SCC with plate-haptic IOL); pupil centration (PC) and three-piece IOL (PC with three-piece IOL); or PC and plate-haptic IOL (PC with plate-haptic IOL)...
February 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28188490/a-review-of-laser-assisted-versus-traditional-phacoemulsification-cataract-surgery
#13
REVIEW
H Burkhard Dick, Tim Schultz
The use of femtosecond laser surgery improves the precision and reproducibility of corneal incisions and the capsular opening; it also reduces the amount of ultrasound energy required for lens nucleus work-up. The rate of complications reported so far appears to be low. There are a number of contraindications such as a history of cornea and/or glaucoma surgery and certain anatomical features like deep-set eyes, kyphosis, tremor, and obesity. Visual recovery and refractive results of both techniques are excellent...
June 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/28176960/pseudophakic-astigmatism-reduction-with-femtosecond-laser-assisted-corneal-arcuate-incisions-a-pilot-study
#14
Clayton Blehm, Richard Potvin
PURPOSE: The aim of this study was to assess the effectiveness of the Verion-LenSx guided arcuate incision technique to reduce refractive astigmatism in a pseudophakic population. PATIENTS AND METHODS: A prospective single-arm study was conducted in which one or both eyes of subjects required reduction of 1.0-2.0 D of refractive astigmatism after previous cataract surgery or refractive lens exchange. The surgeon used the refractive cylinder in the eye and the Woodcock astigmatism nomogram for preoperative planning, while the LenSx femtosecond laser with the Verion Image Guided System was used to create all arcuate incisions...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28144750/outcomes-of-femtosecond-laser-assisted-cataract-surgery-performed-by-surgeons-in-training
#15
COMPARATIVE STUDY
Greg Brunin, Khurrum Khan, Kristin S Biggerstaff, Li Wang, Douglas D Koch, Sumitra S Khandelwal
PURPOSE: To compare intraoperative factors and post-operative outcomes of femtosecond laser-assisted cataract surgery (FLACS) and manual cataract surgery performed by resident surgeons. METHODS: All cases of FLACS performed by resident surgeons during the 2013-2014 academic year were compared to a control group of manual cataract surgery cases with regards to pre-operative patient data, operative complications, cumulative dissipated energy (CDE), postoperative corrected distance visual acuity (CDVA), refractive prediction error (RPE), and corneal edema...
April 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28068446/change-of-capsulotomy-over-1-year-in-femtosecond-laser-assisted-cataract-surgery-and-its-impact-on-visual-quality
#16
MULTICENTER STUDY
Christophe Panthier, Florent Costantini, Jean Claude Rigal-Sastourné, Antoine Brézin, Chadi Mehanna, Mikael Guedj, Dominique Monnet
PURPOSE: To compare the shape of the capsulotomy, its change, and its impact on visual quality over 1 year using the femtosecond laser system from the manual technique. METHODS: In this two-center cross-sectional study from May 2012 to June 2013, each patient had femtosecond laser-assisted cataract surgery in one eye (FLACS group) and conventional phacoemulsification cataract surgery in the other eye (CPCS group). An evaluation of the capsulotomy was performed using retroillumination slit-lamp photographs at 7 days, 6 months, and 1 year after surgery...
January 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28007110/femtosecond-laser-assisted-cataract-surgery-versus-standard-phacoemulsification-cataract-surgery-study-from-the-european-registry-of-quality-outcomes-for-cataract-and-refractive-surgery
#17
Sonia Manning, Peter Barry, Ype Henry, Paul Rosen, Ulf Stenevi, David Young, Mats Lundström
PURPOSE: To compare the visual, refractive, and adverse outcomes of femtosecond laser-assisted cataract surgery and conventional phacoemulsification cataract surgery. SETTING: Cataract surgery clinics in 9 European countries and Australia (femtosecond-assisted) and 18 European countries and Australia (conventional). DESIGN: Multicenter case-control study. METHODS: Eyes having femtosecond laser-assisted cataract surgery were matched to eyes from the European Registry of Quality Outcomes for Cataract and Refractive Surgery phacoemulsification cataract surgery database for preoperative corrected distance visual acuity (CDVA), age, and preoperative risk factors...
December 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27801688/current-and-effective-advantages-of-femto-phacoemulsification
#18
REVIEW
Ashvin Agarwal, Soosan Jacob
PURPOSE OF REVIEW: The purpose is to review the current and effective advantages of femtosecond laser-assisted cataract surgery (FLACS). RECENT FINDINGS: FLACS has advantages over manual phacoemulsification in its precision, and predictability and may be especially advantageous in difficult situations such as shallow anterior chamber, subluxated cataracts, white cataracts, and so on. However, the femtosecond capsulorhexis may not be as strong as a manual rhexis...
January 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/27697473/changes-in-keratometric-values-and-corneal-high-order-aberrations-after-hydrogel-inlay-implantation
#19
Woong-Joo Whang, Young-Sik Yoo, Choun-Ki Joo, Geunyoung Yoon
PURPOSE: We sought to analyze surgically induced refractive change (SIRC) and change in high-order aberration after Raindrop corneal inlay insertion (ReVision Optics, Lake Forest, CA), and assess the extent to which Raindrop corneal inlay insertion could correct presbyopia. DESIGN: Interventional case series. METHODS: Seventeen patients were included if they had a corneal thickness ≥500 μm and a stable manifest spherical equivalent refraction between 0...
January 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27538796/efficacy-and-safety-of-femtosecond-laser-assisted-cataract-surgery-compared-with-manual-cataract-surgery-a-meta-analysis-of-14%C3%A2-567-eyes
#20
REVIEW
Marko Popovic, Xavier Campos-Möller, Matthew B Schlenker, Iqbal Ike K Ahmed
TOPIC: To investigate the efficacy and safety of femtosecond laser-assisted cataract surgery (FLACS) relative to manual cataract surgery (MCS). CLINICAL RELEVANCE: It is unclear whether FLACS is more efficacious and safe relative to MCS. METHODS: A literature search of MEDLINE, EMBASE, and Scopus from 2007 to March 2016 was conducted. Studies containing both FLACS and MCS arms that reported on relevant efficacy and/or safety parameters were included...
October 2016: Ophthalmology
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