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Femtosecond cataract surgery

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https://www.readbyqxmd.com/read/28935513/non-invasive-tryptophan-fluorescence-measurements-as-a-novel-method-of-grading-cataract
#1
Jesper Høiberg Erichsen, Aurore Mensah, Line Kessel
Development of non-invasive treatments for cataract calls for a sensitive diagnostic assay. We conducted a study to test whether the ratio of folded tryptophan to non-tryptophan fluorescence emission (F-factor) may be used for grading cataracts in human lenses. The F-factor was measured on aspirated lens material from eyes undergoing femtosecond laser assisted cataract surgery (FLACS) and was compared to a preoperative optical grading of cataract using Scheimpflug imaging. The preoperative optical grading allocated the cataracts to 1 of 4 categories according to the density of the cataract...
September 18, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28931181/-refractive-lens-exchange
#2
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...
September 20, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28924422/femtosecond-laser-assisted-cataract-surgery-in-vitrectomized-eye-with-posterior-chamber-phakic-intraocular-lens
#3
Natalia Anisimova, Boris Malyugin, Lisa B Arbisser, Nikolay Sobolev
We describe a case of femtosecond laser-assisted cataract surgery (FLACS) in an eye with multiple comorbidities, including retinal detachment surgery, high myopia, posterior chamber phakic intraocular lens (PC pIOL) and residual, emulsified, silicone oil located in the anterior chamber. FLACS was affected by the optical blockage, but the incomplete capsular tear was recoverable. The case suggests that silicone oil bubbles concentrated at the dome of the posterior corneal surface, along with the PC pIOL optic edges and scars after corneal astigmatic relaxing incisions can lead to incomplete anterior capsulotomy...
2017: Digital Journal of Ophthalmology: DJO
https://www.readbyqxmd.com/read/28915807/descemet-membrane-detachment-in-femtosecond-laser-assisted-cataract-surgery-a-case-report
#4
Peiqing Chen, Yanan Zhu, Ke Yao
BACKGROUND: Femtosecond laser-assisted cataract surgery (FLACS) has grown in popularity among ophthalmologists as a novel technique. However, descemet membrane detachment (DMD) began to be found as the complication after FLACS. We report a case of serious DMD following FLACS due to the inappropriate incision design. CASE PRESENTATION: An 85-year-old man with apparent cornea arcus senilis underwent femtosecond laser-assisted cataract surgery in his right eye. A biplanar model was chosen for the main incision...
September 16, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28914688/femtosecond-laser-assisted-versus-phacoemulsification-for-cataract-extraction-and-intraocular-lens-implantation-clinical-outcomes-review
#5
Shaun Y Ewe, Robin G Abell, Brendan J Vote
PURPOSE OF REVIEW: Femtosecond laser-assisted cataract surgery (FLACS) has gained popularity in recent years with the new technology suggesting potential improvements in clinical and safety outcomes over conventional phacoemulsification cataract surgery (PCS). A decade since the advent of FLACS has given time and experience for laser technology to develop in maturity, and better quality evidence to become available. This review evaluates current evidence on the clinical and safety outcomes for FLACS in comparison to PCS...
September 12, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28885242/the-use-of-femtosecond-laser-in-refractive-and-cataract-surgery
#6
Natalie Homer, Ula V Jurkunas
No abstract text is available yet for this article.
2017: International Ophthalmology Clinics
https://www.readbyqxmd.com/read/28873174/performing-reliable-lens-capsulotomy-in-the-presence-of-corneal-edema-with-a-femtosecond-laser
#7
Geraint P Williams, Benjamin L George, Yoke R Wong, Gary H F Yam, Marcus Ang, Shian C Tay, Jodhbir S Mehta
Purpose: To determine the effects of the Ziemer LDV Z8 liquid interface femtosecond laser platform during capsulotomy under different energy settings in the presence of corneal edema. Methods: Cadaveric porcine eyes (n = 36) employed at less than 6 and greater than 24 post enucleation hours to simulate clear/edematous corneas, underwent capsulotomy with the Ziemer LDV Z8 femtosecond laser (5-mm diameter, energy 90%, 130%, or 150%). Lens capsules were removed for evaluation by scanning electron microscopy and rupture strengths determined by the single column universal testing system...
September 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28860704/retinal-and-choroidal-thickness-after-femtosecond-laser-assisted-and-standard-phacoemulsification
#8
Bilgehan Sezgin Asena, Eyyup Karahan, Mahmut Kaskaloglu
PURPOSE: The purpose of this study was to compare the short-term changes in retina and choroidal tissue after femtosecond laser-assisted cataract surgery (FLACS) and standard phacoemulsification (PE) surgery. METHODS: In all, 25 eyes undergoing FLACS and 27 eyes undergoing PE surgery were included in this nonrandomized, retrospective, cross-sectional study. Central retinal thickness (CRT) and choroidal thickness (CT) were measured pre- and postoperatively (at day 1, 1 week later, and after 1 month) with spectral domain optical coherence tomography (OCT) in all patients and were compared...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28820153/learning-curve-of-femtosecond-laser-assisted-cataract-surgery-experience-of-surgeons-new-to-femtosecond-laser-platform
#9
Josephine Susai Christy, Manas Nath, Fredrick Mouttapa, Rengaraj Venkatesh
PURPOSE: The purpose of this study is to assess the learning curve in the initial 100 cases of cataract surgery performed using femtosecond laser-assisted cataract surgery (FLACS) by experienced cataract surgeons without prior experience in femtosecond laser platform. METHODS: This study was conducted at tertiary care eye hospital, South India. This was a prospective interventional study. The first 100 consecutive eyes undergoing FLACS were studied to understand docking time, number of docking attempts, problems encountered during docking, and complications attributable to docking...
August 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28820147/learning-curve-in-femtosecond-laser-assisted-cataract-surgery
#10
EDITORIAL
Mahipal Singh Sachdev
No abstract text is available yet for this article.
August 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28780777/femtosecond-laser-assisted-cataract-surgery-technology-outcome-future-directions-and-modern-applications
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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/28602334/intraindividual-comparative-analysis-of-the-visual-performance-after-cataract-surgery-with-implantation-of-a-trifocal-and-a-bifocal-intraocular-lens
#18
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
#19
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
#20
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
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