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Femtosecond cataract surgery

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https://www.readbyqxmd.com/read/28412801/-preliminary-report-on-the-application-of-femtosecond-laser-assisted-anterior-capsulotomy-in-intumescent-white-cataract-surgery
#1
T T Peng, Y Wang, X Y Bao
Objective: To assess the effect of femtosecond laser-assisted anterior capsulotomy in intumescent white cataract surgery. Methods: Retrospective case series study. One hundred and fifty cataract patients (150 eyes) from June 2014 to June 2015 in Wuhan Aier ophthalmology hospital were enrolled in this study. They were divided into three groups: 50 intumescent white cataract patients (50 eyes) in the study group were performed femtosecond laser-assisted capsulotomy (LenSx system) operation selectively. Fifty intumescent white cataract patients (50 eyes) underwent normal manual continuous circular capsulorhexis as the control group 1...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28412070/evaluation-of-femtosecond-laser-intrastromal-incision-location-using-optical-coherence-tomography
#2
Li Wang, Lai Jiang, Katie Hallahan, Zaina N Al-Mohtaseb, Douglas D Koch
PURPOSE: To use optical coherence tomography (OCT) to evaluate the femtosecond laser intrastromal incisions made during cataract surgery to reduce corneal astigmatism. DESIGN: Retrospective case series. PARTICIPANTS: Seventy-seven eyes of 77 patients. METHODS: Paired intrastromal incisions were created using the Catalys femtosecond laser (Abbott Medical Optics, Inc., Santa Ana, CA). The planned intrastromal incision parameters were 20% uncut anterior, 20% uncut posterior, midpoint depth of 50%, and 90° side cut angle...
April 12, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28410717/greater-vertical-spot-spacing-to-improve-femtosecond-laser-capsulotomy-quality
#3
Tim Schultz, Stephanie C Joachim, Rozina Noristani, Wendell Scott, H Burkhard Dick
PURPOSE: To evaluate the effect of adapted capsulotomy laser settings on the cutting quality in femtosecond laser-assisted cataract surgery. SETTING: Ruhr-University Eye Clinic, Bochum, Germany. DESIGN: Prospective randomized case series. METHODS: Eyes were treated with 1 of 2 laser settings. In Group 1, the regular standard settings were used (incisional depth 600 μm, pulse energy 4 μJ, horizontal spot spacing 5 μm, vertical spot spacing 10 μm, treatment time 1...
March 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28407162/effects-of-short-term-preoperative-topical-ketorolac-on-pupil-diameter-in-eyes-undergoing-femtosecond-laser-assisted-capsulotomy
#4
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/28393048/comment-on-profitability-analysis-of-a-femtosecond-laser-system-for-cataract-surgery-using-a-fuzzy-logic-approach
#5
Harry William Roberts, Melody Zhifang Ni, David Phillip S O'Brart
No abstract text is available yet for this article.
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28366379/femtosecond-laser-assisted-capsulotomy-for-treatment-of-bilateral-anterior-capsule-contraction
#6
Marta Ibarz, Jose Luis Rodríguez-Prats, Pedro Tañá
A 51-year-old woman developed severe fibrosis and occlusion of the visual axis in 1 eye, maintaining a pinhole aperture in the fellow eye, 2 months after uneventful cataract surgery and implantation of a hydrophilic trifocal intraocular lens in the capsular bag. She had not exhibited any risk factor for anterior capsule contraction preoperatively. Femtosecond laser-assisted capsulotomy with a fluid-filled interface system was used to perform a simultaneous anterior capsulotomy in both eyes. Preoperative calculations of the incision depth of the capsulotomy were performed using optical coherence tomography (OCT) and adjusted intraoperatively with the OCT system of the femtosecond laser...
February 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28366369/intraindividual-comparison-between-femtosecond-laser-assisted-and-conventional-cataract-surgery
#7
Anna S Mursch-Edlmayr, Matthias Bolz, Nikolaus Luft, Michael Ring, Thomas Kreutzer, Christoph Ortner, Matthias Rohleder, Siegfried G Priglinger
PURPOSE: To compare the safety and efficacy between femtosecond laser-assisted cataract surgery using the Victus laser system and conventional cataract surgery. SETTING: Department of Ophthalmology, Kepler University Hospital, Linz, Austria. DESIGN: Prospective randomized case series. METHODS: Both eyes of patients with age-related cataract were randomized to conventional cataract surgery or femtosecond laser-assisted cataract surgery, both with intraocular lens (IOL) implantation...
February 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28366359/simple-steep-axis-marking-technique-using-a-corneal-analyzer
#8
Alex L K Ng, Tommy C Y Chan, Vishal Jhanji, George P M Cheng
We describe a simple steep-axis marking technique that uses a corneal analyzer (OPD III scan) during arcuate keratotomy in femtosecond laser-assisted cataract surgery. The technique requires a single reference mark at the limbus, which does not have to be on the horizontal axis. Using the corneal analyzer, the angle between the steep axis and the reference line between the reference mark and the center of the cornea can be determined. The angle from the reference mark is used intraoperatively to locate the steep axis...
February 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28317683/new-technique-for-femtosecond-laser-creation-of-clear-corneal-incisions-for-cataract-surgery
#9
Sebastiano Serrao, Daniela Giannini, Domenico Schiano-Lomoriello, Giuseppe Lombardo, Marco Lombardo
PURPOSE: To evaluate the changes in corneal topography and corneal higher-order wavefront aberrations with the use of a new technique in which clear corneal incisions (CCIs) for cataract surgery are created with a femtosecond laser. SETTING: IRCCS Fondazione G.B. Bietti, Rome, Italy. DESIGN: Prospective randomized case series. METHODS: Cataract surgery patients were randomized into 2 groups. In the study group, a 3-plane CCI was created with a femtosecond laser...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28317672/differences-in-energy-expenditure-for-conventional-and-femtosecond-assisted-cataract-surgery-using-2-different-phacoemulsification-systems
#10
Nilufer Yesilirmak, Vasilios F Diakonis, Adam Sise, Daniel P Waren, Sonia H Yoo, Kendall E Donaldson
PURPOSE: To compare the mean cumulative dissipated energy (CDE) in patients having femtosecond laser-assisted or conventional phacoemulsification cataract surgery using 2 different phacoemulsification platforms. SETTING: Bascom Palmer Eye Institute, Miami, Florida, USA. DESIGN: Prospective comparative nonrandomized clinical study. METHODS: Consecutive patients were scheduled to have femtosecond laser-assisted cataract surgery with the Lensx laser or conventional phacoemulsification using an active-fluidics torsional platform (Centurion) or torsional platform (Infiniti)...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28302635/financial-modelling-of-femtosecond-laser-assisted-cataract-surgery-within-the-national-health-service-using-a-hub-and-spoke-model-for-the-delivery-of-high-volume-cataract-surgery
#11
H W Roberts, M Z Ni, D P S O'Brart
AIMS: To develop financial models which offset additional costs associated with femtosecond laser (FL)-assisted cataract surgery (FLACS) against improvements in productivity and to determine important factors relating to its implementation into the National Health Service (NHS). METHODS: FL platforms are expensive, in initial purchase and running costs. The additional costs associated with FL technology might be offset by an increase in surgical efficiency. Using a 'hub and spoke' model to provide high-volume cataract surgery, we designed a financial model, comparing FLACS against conventional phacoemulsification surgery (CPS)...
March 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/28299005/preliminary-results-of-femtosecond-laser-assisted-cataract-surgery-in-a-private-clinic-in-iran
#12
Farhad Nejat, Sara Sarahati, Sahar Mojaled Nobari, Khosrow Jadidi, Mostafa Naderi, Mohammad Amin Nejat
PURPOSE: To report the preliminary results of femtosecond laser-assisted cataract surgery in Iranian patients. METHODS: This prospective case series included 21 eyes of 21 patients with cataract. Mean patient age was 66.7 ± 10 years. The patients underwent femtosecond-laser assisted cataract surgery (VICTUS Femtosecond Laser Platform: Bausch + Lomb) and intraocular lens (IOL) implementation in Bina Eye Hospital, Tehran, Iran between May and October, 2014. Visual outcomes, intraocular pressure (IOP), and complications were evaluated three months after surgery...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28237162/corneal-etching-in-femtosecond-laser-assisted-cataract-surgery
#13
Giancarlo A Garcia, Jack J Tian, Khalil Ghasemi Falavarjani, Rustum Karanjia, Kenneth L Lu
No abstract text is available yet for this article.
February 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28210504/comparison-of-maximum-stretch-forces-between-femtosecond-laser-assisted-capsulotomy-and-continuous-curvilinear-capsulorhexis
#14
Mari Takagi, Takashi Kojima, Kei Ichikawa, Yoshiki Tanaka, Yukihito Kato, Rie Horai, Akeno Tamaoki, Kazuo Ichikawa
The current study reports comparing the postoperative mechanical properties of the anterior capsule between femtosecond laser capsulotomy (FLC) and continuous curvilinear capsulorhexis (CCC) of variable size and shape in porcine eyes. All CCCs were created using capsule forceps. Irregular or eccentric CCCs were also created to simulate real cataract surgery. For FLC, capsulotomies 5.3 mm in diameter were created using the LenSx® (Alcon) platform. Fresh porcine eyes were used in all experiments. The edges of the capsule openings were pulled at a constant speed using two L-shaped jigs...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28203055/resident-surgeon-efficiency-in-femtosecond-laser-assisted-cataract-surgery
#15
Andrew C Pittner, Brian R Sullivan
PURPOSE: Comparison of resident surgeon performance efficiencies in femtosecond laser-assisted cataract surgery (FLACS) versus conventional phacoemulsification. PATIENTS AND METHODS: A retrospective cohort study was conducted on consecutive patients undergoing phacoemulsification cataract surgery performed by senior ophthalmology residents under the supervision of 1 attending physician during a 9-month period in a large Veterans Affairs medical center. Medical records were reviewed for demographic information, preoperative nucleus grade, femtosecond laser pretreatment, operative procedure times, total operating room times, and surgical complications...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28192584/laser-assisted-capsulotomy-centration-a-prospective-trial-comparing-pupil-versus-oct-based-scanned-capsule-centration
#16
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
#17
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...
February 10, 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/28176960/pseudophakic-astigmatism-reduction-with-femtosecond-laser-assisted-corneal-arcuate-incisions-a-pilot-study
#18
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
#19
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/28106471/topical-0-1-bromfenac-sodium-for-intraoperative-miosis-prevention-and-prostaglandin-e2-inhibition-in-femtosecond-laser-assisted-cataract-surgery
#20
Hui Chen, Haotian Lin, Wan Chen, Bo Zhang, Wu Xiang, Jing Li, Weirong Chen
PURPOSE: The purpose of this study was to evaluate the effect of topical 0.1% bromfenac sodium, a nonsteroidal anti-inflammatory drug (NSAID), on intraoperative pupil dilation maintenance and prostaglandin E2 (PGE2) inhibition during femtosecond laser-assisted cataract surgery. METHODS: Sixty patients (30 each in study and control groups) were included in this study. The patients received 0.1% bromfenac ophthalmic solution or control placebo twice a day for 3 days before surgery...
April 2017: Journal of Ocular Pharmacology and Therapeutics
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