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Femtosecond cataract surgery

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https://www.readbyqxmd.com/read/29335102/comparison-of-2-laser-fragmentation-patterns-used-in-femtosecond-laser-assisted-cataract-surgery
#1
Mehdi Shajari, Sherin Khalil, Wolfgang J Mayer, Ghada Al-Khateeb, Myriam Böhm, Kerstin Petermann, Eva Hemkeppler, Thomas Kohnen
PURPOSE: To evaluate the effect of fragmentation patterns (pie pattern versus grid pattern) on effective phacoemulsification time (EPT). SETTING: Department of Ophthalmology, Goethe University, Frankfurt am Main, Germany. DESIGN: Retrospective case series. METHODS: Eyes that had femtosecond laser-assisted cataract surgery were included. One half of the group was treated with the pie pattern. The preoperative lens density was evaluated by Scheimpflug imaging (Pentacam)...
December 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29335099/femtosecond-laser-assisted-cataract-surgeries-reported-to-the-european-registry-of-quality-outcomes-for-cataract-and-refractive-surgery-baseline-characteristics-surgical-procedure-and-outcomes
#2
Mats Lundström, Mor Dickman, Ype Henry, Sonia Manning, Paul Rosen, Marie-José Tassignon, David Young, Ulf Stenevi
PURPOSE: To describe a large cohort of femtosecond laser-assisted cataract surgeries in terms of baseline characteristics and the related outcomes. SETTING: Eighteen cataract surgery clinics in 9 European countries and Australia. DESIGN: Prospective multicenter case series. METHODS: Data on consecutive eyes having femtosecond laser-assisted cataract surgery in the participating clinics were entered in the European Registry of Quality Outcomes for Cataract and Refractive Surgery (EUREQUO)...
December 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29335098/factors-affecting-corneal-incision-position-during-femtosecond-laser-assisted-cataract-surgery
#3
Chandra Bala, Thomas Chan, Kerrie Meades
PURPOSE: To compare the expected versus actual position and dimension of corneal incisions during femtosecond laser-assisted cataract surgery. SETTING: Private Ophthalmic Clinic, Sydney, NSW, Australia. DESIGN: Retrospective case series. METHODS: Video recordings of femtosecond laser-assisted cataract surgery with a Lensx laser were reviewed. The deviation of the main and 2 secondary incisions from the expected position were correlated with globe tilt, globe displacement, and biometric data...
December 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29331455/femtosecond-laser-cataract-surgery-in-pediatric-patients
#4
Claudia Corredor-Ortega, Roberto Gonzalez-Salinas, María José Montero, Rocío González-Flores, Allan Collura-Merlier, Guadalupe Cervantes-Coste, Erick Mendoza-Schuster, Cecilio Velasco-Barona
No abstract text is available yet for this article.
January 10, 2018: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/29315437/evaluation-of-femtosecond-laser-versus-manual-clear-corneal-incisions-in-cataract-surgery-using-spectral-domain-optical-coherence-tomography
#5
Xiaogang Wang, Zhe Zhang, Xiaoyan Li, Lisha Xie, Haining Zhang, Douglas D Koch, Li Wang, Suhua Zhang
PURPOSE: To investigate the wound healing changes of clear corneal incisions performed with a femtosecond laser or a steel bevel knife in cataract surgery using spectral-domain optical coherence tomography. METHODS: Prospectively, consecutive patients undergoing either femtosecond laser-assisted cataract surgery (femtosecond laser group) using the LenSx laser (Alcon Laboratories, Inc., Fort Worth, TX) or traditional cataract surgery using steel blades (control group) were enrolled...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29304077/ideal-parameters-for-femto-second-laser-assisted-anterior-capsulotomy-animal-studies
#6
Min-Ji Kang, Yong-Eun Lee, Jun-Sub Choi, Choun-Ki Joo
In femtosecond laser-assisted cataract surgery, the parameter such as horizontal spot spacing and energy level can be adjusted. Although there have been several studies reported on various laser systems, showing the effects of varying energy levels and horizontal spot spacing on lens capsulotomy cut edges, none have been reported on the Catalys laser system (Abbott Medical Optics, Inc., Santa Ana, CA). The aim of this study is to evaluate, using scanning electron microscopy (SEM), the quality of the cut edges of the laser lens capsulotomy obtained using the Catalys Laser System, using different horizontal spot spacing and energy levels, and to determine the ideal parameters based on SEM results...
2018: PloS One
https://www.readbyqxmd.com/read/29261846/intraocular-pressure-course-during-the-femtosecond-laser-assisted-cataract-surgery-in-porcine-cadaver-eyes
#7
Philipp Sperl, Clemens Strohmaier, Hannes Kraker, Karolina Motloch, Markus Lenzhofer, Sarah Moussa, Herbert A Reitsamer
Purpose: Femtosecond laser-assisted cataract surgery (FLACS) is an increasingly common procedure. Most laser systems require corneal applanation and thereby increase intraocular pressure (IOP). The purpose of the present study was to evaluate the IOP changes that occur during the FLACS procedure performed using the Catalys femtosecond laser system. Methods: IOP was measured by direct cannulation of the vitreous body of porcine cadaver eyes (N = 20). By inserting a second cannula connected to a water column, all the eyes were set to a baseline IOP of 20 mm Hg...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29260077/femtosecond-laser-assisted-cataract-surgery-and-implantable-miniature-telescope
#8
Randal Pham, Burton Worrell, Phuc Nguyen, Keshav Narain
Purpose: This paper is a case report of the use of femtosecond laser for cataract surgery to implant an implantable miniature telescope for a patient with large central areas of geographic atrophy. Observations: On postoperative day 1 the patient's uncorrected visual acuity at near was 20/50. The cornea was clear and the patient reported no problem with navigation without occupational therapy training. Conclusions and importance: To our knowledge and confirmed by the manufacturer of the implantable miniature telescope this is the first case ever reported of a patient who has undergone femtosecond laser cataract surgery with corneal astigmatism correction and implantation of the implantable miniature telescope...
September 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29260061/femtosecond-laser-assisted-cataract-surgery-in-anterior-lenticonus-due-to-alport-syndrome
#9
Alexander C Barnes, Allen S Roth
Purpose: We describe a case of bilateral anterior lenticonus in a patient with Alport syndrome treated with femtosecond laser-assisted cataract surgery (FLACS). Observations: FLACS was performed without complication, and a desirable postoperative visual acuity was achieved. Conclusions and importance: Femtosecond laser-assisted cataract surgery is an effective approach for managing patients with anterior lenticonus secondary to Alport syndrome...
June 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29240287/comparative-study-of-femtosecond-laser-assisted-cataract-surgery-and-conventional-phacoemulsification-in-vitrectomised-eyes
#10
Ellen F Wang, Andrew Worsley, Philip J Polkinghorne
IMPORTANCE: To compare the safety and outcomes of femtosecond laser assisted cataract surgery and conventional phacoemulsification in post-vitrectomy eyes. BACKGROUND: To compare visual outcomes and adverse outcomes of femtosecond laser assisted cataract surgery and conventional phacoemulsification in vitrectomised eyes. DESIGN: Single surgeon, retrospective study set in a private clinic in Auckland, New Zealand. Patients selected in a chronological manner, without masking or randomisation...
December 14, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/29223232/morphologic-features-and-surgically-induced-astigmatism-of-femtosecond-laser-versus-manual-clear-corneal-incisions
#11
Sha Zhu, Naibin Qu, Wei Wang, Yanan Zhu, Xingchao Shentu, Peiqing Chen, Wen Xu, Ke Yao
PURPOSE: To compare the morphologic features and surgically induced astigmatism (SIA) between laser and manual clear corneal incisions (CCIs) after femtosecond laser-assisted cataract surgery. SETTING: Eye Center, 2nd Affiliated Hospital, Medical College of Zhejiang University, Hangzhou, China. DESIGN: Prospective case series. METHODS: Patients had femtosecond laser-assisted cataract surgery with a CCI created with the laser or manually after random allocation...
November 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29208822/b-hex-pupil-expander-pupil-expansion-redefined
#12
Suven Bhattacharjee
The B-HEX® Pupil Expander (Med Invent Devices) is a disposable 6.5 mm flexible hexagonal device with notches at corners and flanges at sides. Alternate flanges with positioning holes are tucked under the iris to engage the notches to the margin of the pupil to provide a 5.5 mm expanded pupil. Unlike devices with scrolls or pockets which require an injector to avoid snagging the incision, the preloaded B-HEX is inserted and removed through a 1 mm or larger incision using a manipulator or 23-gauge micro-forceps...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29208811/reviewing-the-visual-benefits-of-femtosecond-laser-assisted-cataract-surgery-can-we-improve-our-outcomes
#13
REVIEW
Michael Lawless, Lewis Levitz, Chris Hodge
Femtosecond laser-assisted cataract surgery (FLACS) was introduced in 2009 and has increasingly been incorporated into surgical practice. The automation of three key aspects of cataract surgery was expected to deliver a significant improvement in both refractive and safety outcomes. The published literature has not yet shown consistent refractive improvement above conventional techniques. The purpose of this paper is to review current FLACS refractive outcomes and explore factors that may have contributed to the current findings and whether future improvements are possible...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29193782/clinical-and-ex%C3%A2-vivo-laboratory-comparison-of-the-self-sealing-properties-and-dimensional-stability-between-the-femtosecond-laser-and-manual-clear-corneal-incisions
#14
Takashi Kojima, Mari Takagi, Kei Ichikawa, Rie Horai, Yukihiro Sakai, Yoshiki Tanaka, Akeno Tamaoki, Kazuo Ichikawa
PURPOSE: To compare the self-sealing features and dimensional stability between the femtosecond laser (FL) and manual knife corneal incision. METHODS: For the clinical study, 29 consecutive eyes from 29 patients and 28 eyes from 28 patients who underwent cataract surgery with FL corneal incision and manual knife incision, respectively, were enrolled. Immediately after cataract surgery, the self-sealing features of the corneal incisions were evaluated. Scanning electron microscopy (SEM) images were obtained...
November 30, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29188470/femtosecond-laser-assisted-cataract-surgery-with-bimanual-technique-learning-curve-for-an-experienced-cataract-surgeon
#15
Gian Maria Cavallini, Tommaso Verdina, Michele De Maria, Elisa Fornasari, Elisa Volpini, Luca Campi
PURPOSE: To describe the intraoperative complications and the learning curve of microincision cataract surgery assisted by femtosecond laser (FLACS) with bimanual technique performed by an experienced surgeon. METHODS: It is a prospective, observational, comparative case series. A total of 120 eyes which underwent bimanual FLACS by the same experienced surgeon during his first experience were included in the study; we considered the first 60 cases as Group A and the second 60 cases as Group B...
November 29, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/29185403/effect-of-femtosecond-laser-assisted-cataract-surgery-flacs-on-endothelial-cell-count
#16
Muhammad Saim Khan, Asad Habib, Mazhar Ishaq, Muhammad Amer Yaqub
OBJECTIVE: To compare the change in endothelial cell count after femtosecond laser-assisted cataract surgery (FLACS) versus conventional phacoemulsification. STUDY DESIGN: Randomized controlled clinical trial. PLACE AND DURATION OF STUDY: Armed Forces Institute of Ophthalmology, Rawalpindi, Pakistan from January 2016 to August 2017. METHODOLOGY: Patients with senile cataract and age ranging from 40 to 80 years were included in the study...
December 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29171031/comparison-of-hybrid-and-cross-fragmentation-patterns-in-terms-of-phaco-time-and-corneal-effects
#17
Bilgehan Sezgin Asena, Mahmut Kaskaloglu
PURPOSE: To compare two different fragmentation patterns in femtosecond laser-assisted cataract surgery (FLACS) in terms of phaco values, postoperative endothelial cell count (ECC) and corneal thickness (CT). METHODS: This non-randomized, retrospective cross-sectional study included patients with senile cataract of grade 3 who underwent FLACS using the LenSx laser system. In Group 1 (32 eyes), lens fragmentation was created as a cross pattern. In Group 2 (35 eyes), lens fragmentation was created as a hybrid pattern...
November 24, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29120720/advanced-cataract-learning-experience-in-united-states-ophthalmology-residency-programs
#18
Adam J Yen, Saras Ramanathan
This study examined resident exposure to and competency in new techniques for cataract removal and intraocular lens (IOL) implantation. A questionnaire was sent to 116 United States ophthalmology program directors and completed by 71. In response to the questionnaire, program directors reported that 95.3% of their graduating seniors were competent to select and implant toric IOLs and 52.3% were competent to implant capsular tension rings (CTRs). Divide and conquer (56.6%) and stop and chop (25.4%) dominated phacoemulsification teaching...
October 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29120231/impact-of-clear-corneal-incision-morphology-on-incision-site-descemet-membrane-detachment-in-conventional-and-femtosecond-laser-assisted-phacoemulsification
#19
Jeewan S Titiyal, Manpreet Kaur, Priyanka Ramesh, Pooja Shah, Ruchita Falera, Lalit M S Bageshwar, Ashutosh Kinkar, Namrata Sharma
PURPOSE: To assess intraoperative morphology of clear corneal incisions (CCI) and its impact on incision-site descemet membrane detachment (DMD) in conventional phacoemulsification and femtosecond laser-assisted cataract surgery (FLACS). METHODS: Prospective comparative study of 129 eyes that underwent either conventional phacoemulsification (Group I, n = 77) or FLACS (Group II, n = 52) was undertaken at an apex tertiary care ophthalmic setup. In group I, a 2...
November 9, 2017: Current Eye Research
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
#20
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
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