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Femtosecond cataract surgery

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https://www.readbyqxmd.com/read/28780777/femtosecond-laser-assisted-cataract-surgery-technology-outcome-future-directions-and-modern-applications
#1
Joobin Hooshmand, Brendan J Vote
Since its introduction in 2009 femtosecond laser-assisted cataract surgery (FLACS) has promised to revolutionize cataract surgery. Despite its promise, the assessment of FLACS's perceived benefits has proven to be far more complicated than initially might have been thought. Most studies to date have not provided validation of FLACS technology as a clinically significant advancement on our current techniques. We review FLACS technology and outcomes including detailed analysis of safety, efficacy, cost effectiveness and future prospects using data from the literature and our own published clinical experience...
July 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28774512/impact-of-lens-densitometry-on-phacoemulsification-parameters-and-usage-of-ultrasound-energy-in-femtosecond-laser-assisted-lens-surgery
#2
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/28745661/-n-s-i-n-i-v-biomechanical-aspects-of-anterior-capsulotomy-in-cataract-surgery
#3
K S Avetisov, N A Bakhchieva, S E Avetisov, I A Novikov, N V Belikov, I V Khaydukova
This paper reviews studies on biomechanical properties of the anterior lens capsule. Early experiments in this field were more fundamental. Later studies were aimed mainly at assessing the mechanical stability of the capsule edge after manual or femtosecond laser capsulorhexis (capsulotomy) - an important step in modern minimally invasive phaco surgery. For biomechanical tests, ex vivo samples of human and animal anterior capsules were used. The results of the studies presented here are quite heterogeneous, which suggests the necessity of gaining further insight into the issue...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28646864/femtosecond-laser-assisted-cataract-surgery-after-penetrating-keratoplasty-a-case-report
#4
Danmin Cao, Shiming Wang, Yong Wang
BACKGROUND: Cataract surgery after penetratingkeratoplasty (PKP) is often challenging due to changes in the integrity of the cornea caused by PKP. For example, corneal endothelial cell (CEC) loss and corneal edema commonly occur after traditional phacoemulsification cataract surgery in patients that previously had successful PKP. Recent studies have reported that femtosecond laser-assisted cataract surgery (FLACS) significantly reduces the need for ultrasound energy minimizing mechanical damage to the cornea and results in a reduction of CEC loss and corneal edema...
June 24, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28629164/cataract-surgery-performed-by-high-frequency-ldv-z8-femtosecond-laser-safety-efficacy-and-its-physical-properties
#5
Bojan Pajic, Zeljka Cvejic, Brigitte Pajic-Eggspuehler
BACKGROUND: The aim of our study was to investigate the safety and efficacy of the LDV Z8 femtosecond laser in cataract surgery compared to the conventional procedure. METHODS: This prospective study was performed at the Swiss Eye Research Foundation, Eye Clinic ORASIS, Reinach, Switzerland. The study included 130 eyes from 130 patients: 68 treated with femtosecond laser-assisted cataract surgery (FLACS) using the FEMTO LDV Z8 and 62 treated with conventional phacoemulsification...
June 18, 2017: Sensors
https://www.readbyqxmd.com/read/28615924/comparison-of-the-frequency-of-use-of-a-pupil-expansion-device-with-and-without-an-intracameral-phenylephrine-and-ketorolac-injection-1-0-3-at-the-time-of-routine-cataract-surgery
#6
Frank A Bucci, Breanne Michalek, Angel T Fluet
PURPOSE: The objective of this study is to evaluate whether a phenylephrine and ketorolac injection 1%/0.3% (phenyl/keto injection) (Omidria(®)) prior to capsulotomy decreases the need for the Malyugin Ring(®) to manage small pupils. SETTING: Bucci Laser Vision Institute, Wilkes-Barre, PA, USA. DESIGN: Retrospective analysis of cataract surgeries performed by a single surgeon at a single center. METHODS: A historical control group of 1,004 consecutive cases (December 2013 to February 2015) did not receive a phenyl/keto intracameral injection prior to capsulotomy and were compared with 915 consecutive cases in the treatment group (June 2015 to April 2016) for the rate of use of the Malyugin Ring...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28604979/femtosecond-laser-assisted-cataract-in-vitreoretinal-surgery
#7
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...
June 2, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28602334/intraindividual-comparative-analysis-of-the-visual-performance-after-cataract-surgery-with-implantation-of-a-trifocal-and-a-bifocal-intraocular-lens
#8
Ghada Al-Khateeb, Mehdi Shajari, Thomas Kohnen
Presbyopia-treating intraocular lenses (IOLs) are now widely available and offer high predictability at all distances, better visual outcomes, and high patient satisfaction. In most patients, the same multifocal IOL is implanted bilaterally. In certain circumstances, such as during complex surgeries, it is important to be prepared with a backup plan to maintain surgical expectations. We report 3 patients who had femtosecond laser-assisted cataract surgeries in both eyes. The complicated eye had implantation of a bifocal IOL and the fellow eye of a trifocal IOL...
May 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28594697/comparison-of-femtosecond-laser-enabled-descemetorhexis-and-manual-descemetorhexis-in-descemet-membrane-endothelial-keratoplasty
#9
COMPARATIVE STUDY
Adi Einan-Lifshitz, Nir Sorkin, Tanguy Boutin, Mahmood Showail, Armand Borovik, Murad Alobthani, Clara C Chan, David S Rootman
PURPOSE: To introduce a novel method to perform descemetorhexis in Descemet membrane endothelial keratoplasty (DMEK) using the femtosecond laser and to compare it with Descemet membrane endothelial keratoplasty performed with manual descemetorhexis (M-DMEK). METHODS: A retrospective medical chart review of 2 groups of patients who underwent DMEK surgery combined with cataract surgery secondary to Fuchs corneal endothelial dystrophy and cataract: 17 patients underwent femtosecond laser-enabled descemetorhexis Descemet membrane endothelial keratoplasty (FE-DMEK) and 89 patients underwent DMEK surgery with M-DMEK...
July 2017: Cornea
https://www.readbyqxmd.com/read/28563995/can-we-improve-the-efficacy-of-modern-cataract-surgery-by-using-different-tip-designs-a-comparison-of-balanced-and-tapered-tip-in-flacs-and-manual-phacoemulsification
#10
Milena Pahlitzsch, Marie-Luise Pahlitzsch, Uly Sumarni, Thomas Pahlitzsch
IMPORTANCE: Different tip designs in modern cataract surgery have not been studied between the reported systems. BACKGROUND: Aim of this study is to assess the efficacy of two tip designs, Intrepid® balanced tip (BT) and Kelman tapered tip (TT), in femtosecond laser assisted cataract surgery (FLACS) and the microcoaxial torsional phacoemulsification. DESIGN: Prospective randomized unmasked cohort outcome study (hospital setting). PARTICIPANTS: 343 eyes of 343 patients underwent cataract surgery...
May 31, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28546151/comparison-of-intraocular-pressure-during-the-application-of-a-liquid-patient-interface-femto-ldv-z8-for-femtosecond-laser-assisted-cataract-surgery-using-two-different-vacuum-levels
#11
COMPARATIVE STUDY
Martina Ebner, Siegfried Mariacher, Kai Januschowski, Katrin Boden, Anna-Maria Seuthe, Peter Szurman, Karl Thomas Boden
BACKGROUND: To evaluate intraocular pressure (IOP) using the application of a novel liquid patient interface for femtosecond laser-assisted cataract surgery with the FEMTO LDV Z8. METHODS: IOP was evaluated in enucleated porcine eyes prior, during and after the application of the Femto LDV Z8 liquid patient interface (Ziemer Ophthalmic Systems, Switzerland) using intracameral cannulation (n=20), intravitreal cannulation (n=20), rebound tonometry (n=20) and indentation tonometry (n=20)...
August 2017: British 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
#12
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/28532941/cataract-surgery-practices-in-the-united-states-veterans-health-administration
#13
Annika G Havnaer, Paul B Greenberg, Glenn C Cockerham, Melissa A Clark, Amy Chomsky
PURPOSE: To describe current cataract surgery practices within the United States Veterans Health Administration (VHA). SETTING: Veterans Health Administration hospitals in the U.S. DESIGN: Retrospective data analysis. METHODS: An initial e-mail containing a link to an anonymous 32-question survey of cataract surgery practices was sent to participants in May 2016. Two reminder e-mails were sent to nonresponders 1 week and 2 weeks after the initial survey was sent; the remaining nonresponders were called twice over a 2-week period...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532934/effects-of-topical-ketorolac-tromethamine-0-45-on-intraoperative-miosis-and-prostaglandin-e2-release-during-femtosecond-laser-assisted-cataract-surgery
#14
Jong Hwa Jun, Young-Sik Yoo, Sung A Lim, Choun-Ki Joo
PURPOSE: To determine the effects of topical 0.45% ketorolac tromethamine on intraoperative miosis and prostaglandin E2 (PGE2) release during femtosecond laser-assisted cataract surgery. SETTING: Seoul St. Mary's Hospital, Seoul, Korea. DESIGN: Prospective case series. METHODS: The study comprised the following 3 groups: conventional cataract surgery without topical NSAIDs (conventional group); femtosecond laser-assisted cataract surgery with preoperative topical ketorolac tromethamine 0...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532933/clinical-outcomes-of-femtosecond-laser-assisted-cataract-surgery-versus-conventional-phacoemulsification-surgery-for-hard-nuclear-cataracts
#15
Xinyi Chen, Yinhui Yu, Xiaohui Song, Yanan Zhu, Wei Wang, Ke Yao
PURPOSE: To compare the outcomes between femtosecond laser-assisted cataract surgery (femtosecond group) and conventional phacoemulsification cataract surgery (conventional group) in patients with hard nuclear cataract. SETTING: Eye Center, Second Affiliated Hospital of School of Medicine, Zhejiang University, Hangzhou, China. DESIGN: Prospective consecutive nonrandomized comparative cohort study. METHODS: According to the Emery-Little classification, cataract patients with a grade 4 or 5 hard nuclei were assigned to 1 of the 2 groups...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532932/intereye-comparison-of-femtosecond-laser-assisted-cataract-surgery-capsulotomy-and-manual-capsulorhexis-edge%C3%A2-strength
#16
Thomas Chan, Ushasree Pattamatta, Mark Butlin, Kerrie Meades, Chandra Bala
PURPOSE: To compare the breaking force required to tear the explanted capsule after femtosecond laser-assisted cataract surgery in the worse eye and manual cataract surgery in the contralateral eye. SETTING: Personaleyes, Sydney, Australia. DESIGN: Prospective nonrandomized case study. METHOD: Patients with bilateral cataract had femtosecond laser-assisted cataract surgery with the Lensx laser in the eye with worse vision and manual cataract surgery in the contralateral eye...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532925/does-femtosecond-laser-assisted-cataract-surgery-improve-corneal-endothelial-safety-the-debate-and-conundrum
#17
EDITORIAL
David F Chang
No abstract text is available yet for this article.
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28412801/-preliminary-report-on-the-application-of-femtosecond-laser-assisted-anterior-capsulotomy-in-intumescent-white-cataract-surgery
#18
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
#19
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...
August 2017: Ophthalmology
https://www.readbyqxmd.com/read/28410717/greater-vertical-spot-spacing-to-improve-femtosecond-laser-capsulotomy-quality
#20
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
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