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https://www.readbyqxmd.com/read/30334824/different-methods-of-chopping-in-cataract-surgery
#1
Soosan Jacob
PURPOSE OF REVIEW: To review the different methods of chopping in cataract surgery. RECENT FINDINGS: Chop techniques are of advantage in reducing the amount of phaco energy, endothelial damage as well as zonular stress to the eye. Various methods have been described including the classical horizontal and vertical chops as well as newer chop techniques for all grades of cataract. Femtochop using the femtosecond laser as well as the use of a microinterventional snare are more recent advances...
October 16, 2018: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/30324000/intraocular-photobonding-to-enable-accommodating-intraocular-lens-function
#2
Nicolas Alejandre-Alba, Rocio Gutierrez-Contreras, Carlos Dorronsoro, Susana Marcos
Purpose: Accommodating intraocular lenses (A-IOLs) require capturing the ciliary muscle forces. Prior work demonstrated strong photo-initiated bonding between strips of capsular bag and poly(2-hydroxyethyl methacrylate); (pHEMA) polymer in an extraocular setting. We demonstrate that photobonding can be achieved intraocularly. Methods: Phacoemulsification was performed in porcine eyes (<24 hours postmortem). A commercial intraocular lens (IOL; pHEMA-MMA material) was inserted in the capsular bag...
September 2018: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/30323689/visual-performance-of-the-intraindividual-implantation-of-a-trifocal-intraocular-lens-in-the-bag-and-a-4-0-d-bifocal-intraocular-lens-in-the-sulcus-with-optic-capture-created-by-femtosecond-laser-assisted-cataract-surgery
#3
Takeshi Teshigawara, Akira Meguro, Kazuro Yabuki, Seiichiro Hata, Nobuhisa Mizuki
At present, only one design is available for trifocal intraocular lens (IOL); unfortunately, this particular design is not suitable for implantation in the sulcus with optic capture when posterior capsule rupture (PCR) occurs. Although three-piece bifocal IOLs can be implanted in the sulcus, this form of IOL can be vulnerable to tilt and decentration, thus causing aberration and photopic phenomena, such as halos and glares. However, visual axis centered optic capture using femtosecond laser-assisted cataract surgery (FLACS) is able to manage such complex operations...
2018: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/30318914/bimanual-femtosecond-laser-assisted-cataract-surgery-compared-to-standard-bimanual-phacoemulsification-a-case-control-study
#4
Gian Maria Cavallini, Elisa Fornasari, Michele De Maria, Andrea Lazzerini, Luca Campi, Tommaso Verdina
PURPOSE: To evaluate the efficacy and safety of bimanual, low-energy femtosecond laser-assisted cataract surgery with 1.4-mm microincisions compared to standard bimanual phacoemulsification (bimanual microincision cataract surgery). DESIGN: Prospective, non-randomized comparative case series. METHODS: Bimanual femtosecond laser-assisted cataract surgery with microincisions was performed on 80 eyes (Group A) with the low-energy Ziemer LDV Z8; a matched case-control series of 80 eyes performed with standard bimanual microincision cataract surgery technique was selected for comparison (Group B)...
October 14, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/30311459/effect-of-nd-yag-laser-capsulotomy-on-anterior-segment-parameters-in-patients-with-posterior-capsular-opacification-after-phacovitrectomy
#5
Min Ho Shin, Hyun Ji Kang, Seong Jae Kim, In Young Chung, Seong Wook Seo, Ji Myong Yoo, Jong Moon Park, Yong Seop Han
PURPOSE: To compare changes in anterior segment parameters after Nd:YAG laser capsulotomy in eyes that underwent either combined phacovitrectomy or cataract surgery. METHODS: This retrospective study enrolled 37 eyes of 35 patients with posterior capsular opacification treated with combined phacovitrectomy (group A), and 35 eyes of 32 patients with posterior capsular opacification treated with cataract surgery (group B). Anterior segment parameters, including anterior chamber depth (ACD), anterior chamber angle, and anterior chamber volume, were measured by a Pentacam before Nd:YAG laser capsulotomy and 1 hour, 1 day, 1 week, 1 month, and 3 months after this treatment...
October 2018: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/30308583/two-femtosecond-laser-lasik-platforms-comparison-of-evolution-of-visual-acuity-flap-thickness-and-stromal-optical-density
#6
Alberto Parafita-Fernández, Montserrat García-Gonzalez, Andreas Katsanos, Juan Gros-Otero, Miguel Teus
PURPOSE: To compare postoperative evolution of visual acuity, flap thickness, and stromal optical density during the first 3 months after femtosecond (FS) laser in situ keratomileusis surgery for correction of myopia using the iFS 150-kHz FS laser and LenSx FS laser platforms. METHODS: This was a prospective case series. Thirty-nine eyes treated with the iFS 150-kHz FS laser versus 38 refraction-matched eyes treated with the LenSx FS laser platform were included...
October 10, 2018: Cornea
https://www.readbyqxmd.com/read/30296329/sequential-customized-therapeutic-keratectomy-for-reis-b%C3%A3-cklers-corneal-dystrophy-long-term-follow-up
#7
Paolo Vinciguerra, Riccardo Vinciguerra, J Bradley Randleman, Ingrid Torres, Emanuela Morenghi, Fabrizio I Camesasca
PURPOSE: To report long-term outcomes of sequential customized therapeutic keratectomy for Reis-Bücklers' corneal dystrophy. METHODS: This was a retrospective review of 14 eyes of 8 patients with Reis-Bücklers' corneal dystrophy that underwent surgical peeling with a spatula of the epithelium and subepithelial membrane present in Reis-Bücklers' corneal dystrophy, with subsequent sequential customized therapeutic keratectomy featuring a multi-step approach with sequential, repeated customized excimer laser photoablations alternating with repeat intraoperative topographies to monitor and progressively reduce corneal irregularities...
October 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30296328/outcomes-for-mixed-cylinder-lasik-with-the-mel-90-%C3%A2-excimer-laser
#8
Dan Z Reinstein, Glenn I Carp, Timothy J Archer, Alexander C Day, Ryan S Vida
PURPOSE: To report the outcomes of LASIK for mixed cylinder using the Triple-A ablation profile with the MEL 90 excimer laser (Carl Zeiss Meditec, Jena, Germany). METHODS: This was a retrospective analysis of all eyes treated by LASIK for mixed cylinder using the Triple-A ablation profile with the MEL 90 laser between July 2013 and October 2016. Patients were observed for 1 year after surgery. Standard outcomes analysis and vector analysis by the Alpins method were performed...
October 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30296326/implantable-collamer-lens-%C3%A2-for-management-of-pseudophakic-ametropia-in-eyes-with-a-spectrum-of-previous-corneal-surgery
#9
José F Alfonso, Carlos Lisa, Belen Alfonso-Bartolozzi, Luis Fernández-Vega-Cueto, Robert Montés-Micó
PURPOSE: To assess the visual outcomes, predictability, and safety of the Implantable Collamer Lens (ICL) (STAAR Surgical, Inc., Monrovia, CA) for the management of residual pseudophakic refractive error. METHODS: Forty-nine pseudophakic eyes of 40 patients in which myopic, hyperopic, or toric ICLs were implanted were retrospectively analyzed. Twenty-nine eyes had been implanted with a monofocal intraocular lens (IOL) and 20 eyes had a multifocal IOL. All IOLs were implanted in the capsular bag...
October 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30296325/effect-of-nsaids-on-pupil-diameter-and-expression-of-aqueous-humor-cytokines-in-flacs-versus-conventional-phacoemulsification
#10
Natalia S Anisimova, Lisa B Arbisser, Goran Petrovski, Svetlana V Petrichuk, Nikolay P Sobolev, Beata Petrovski, Sergey A Borsenok, Yurii A Komah, Boris E Malyugin
PURPOSE: To compare the concentrations of interleukin (IL) (IL-1b, IL-2, IL-4, IL-5, IL-6, IL-8, IL-10, IL-12p70), interferon (IFN)-γ, tumor necrosis factor (TNF)-α, and TNF-β in the aqueous humor of patients undergoing femtosecond laser-assisted cataract surgery (FLACS) and corneal mechanical paracentesis treated with two different topical nonsteroidal anti-inflammatory drugs (NSAIDs): bromfenac and indomethacin. METHODS: In this prospective, randomized controlled, single-center study, aqueous humor samples were obtained immediately after performing the femtosecond laser procedure or at the start of conventional phacoemulsification...
October 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30294393/outcomes-of-wavefront-optimized-laser-assisted-in-situ-keratomileusis-and-photorefractive-keratectomy-for-correction-of-myopia-and-myopic-astigmatism-over-one-year-follow-up
#11
Mohammad M Shehadeh, Mohammad T Akkawi, Ammar A Aghbar, Muna T Musmar, Malak N Khabbas, Marah F Kharouf, Liana Al-Labadi
Background: Laser corneal refractive surgery suits, technology and nomograms are improving with time. This may improve the refractive and visual outcomes of the patients. Objectives: To evaluate the safety, efficacy, stability, and predictability of wavefront-optimized photorefractive keratectomy and Laser-assisted in-situ keratomileusis in patients with myopia and myopic astigmatism over 1-year using WaveLight® EX500 Excimer Laser machine. Methods: In this prospective cohort study, refractive and visual outcomes in 596 eyes (365 patients), either having myopia or myopic astigmatism were assessed...
2018: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/30288030/patients-satisfaction-and-subjective-happiness-after-refractive-surgery-for-myopia
#12
Shinichiro Matsuguma, Kazuno Negishi, Motoko Kawashima, Ikuko Toda, Masahiko Ayaki, Kazuo Tsubota
Purpose: The purpose of this study was to assess patients' satisfaction and change in subjective happiness after laser-assisted in situ keratomileusis (LASIK). Patients and methods: This was a retrospective cross-sectional study of 307 patients (mean age, 34.3 years; range, 20-63 years) who underwent bilateral LASIK surgery and ocular examinations, including subjective refraction and visual acuity axial length measurements at Minamiaoyama Eye Clinic. Patients also completed questionnaires on their satisfaction with the surgery, and on the subjective happiness scale (SHS) within 1 month before and 1 month after surgery...
2018: Patient Preference and Adherence
https://www.readbyqxmd.com/read/30284476/refractive-predictability-and-visual-outcomes-of-an-extended-range-of-vision-intraocular-lens-in-eyes-with-previous-myopic-laser-in-situ-keratomileusis
#13
Carlos Palomino-Bautista, David Carmona-González, Rubén Sánchez-Jean, Alfredo Castillo-Gómez, Marta Romero-Domínguez, Macarena Elías de Tejada, David P Piñero
PURPOSE: To evaluate the refractive predictability obtained with an extended range of vision intraocular lens in eyes with previous myopic laser in situ keratomileusis, confirming which intraocular lens power formula provides the most accurate calculation. METHODS: The study enrolled 71 eyes with previous successful myopic laser in situ keratomileusis surgery of 43 patients undergoing cataract surgery with implantation of the extended range of vision intraocular lens TECNIS Symfony (Johnson and Johnson Vision)...
October 4, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/30278057/cataract-significantly-influences-quantitative-measurements-on-swept-source-optical-coherence-tomography-angiography-imaging
#14
Siqing Yu, Beatrice E Frueh, Dagmar Steinmair, Andreas Ebneter, Sebastian Wolf, Martin S Zinkernagel, Marion R Munk
PURPOSE: To analyze retinal blood flow before and after cataract surgery using swept-source optical coherence tomography angiography (SS-OCTA). METHODS: Prospective observational study. Consecutive patients were recruited and scanned using SS-OCTA before and after cataract surgery. Laser flare photometry were performed post-surgery. Perfusion and vessel density of superficial (SCP) and deep capillary plexuses (DCP) of the 3 × 3 mm images as well as foveal avascular zone (FAZ) measurements were assessed...
2018: PloS One
https://www.readbyqxmd.com/read/30275679/the-safety-and-efficacy-of-phaco-sleeve-irrigation-assisted-hydrodissection-during-femtosecond-laser-assisted-cataract-surgery
#15
Yoichiro Masuda, Hisaharu Iwaki, Akira Watanabe, Akiko Takada, Toshinori Okamoto, Kotaro Oki, Tadashi Nakano, Hiroshi Tsuneoka
Femtosecond laser-assisted cataract surgery (FLACS) changes the intraoperative environment due to the generation of intracapsular gas that induces a high intracapsular volume. Manual hydrodissection (mH) may induce high intracapsular pressure (ICP) and additional intracapsular volume, thereby leading to capsular block syndrome (CBS). Since the phaco-sleeve irrigation-assisted hydrodissection (iH) technique is used to initially groove and split the lens and remove the intracapsular gas, this can reduce the intracapsular volume while bypassing the intracapsular lens prior to the hydrodissection...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/30269098/united-kingdom-diabetic-retinopathy-electronic-medical-record-uk-dr-emr-users-group-report-4-real-world-data-on-the-impact-of-deprivation-on-the-presentation-of-diabetic-eye-disease-at-hospital-services
#16
Alastair K Denniston, Aaron Y Lee, Cecilia S Lee, David P Crabb, Clare Bailey, Peck-Lin Lip, Paul Taylor, Maria Pikoula, Esther Cook, Toks Akerele, Richard Antcliff, Christopher Brand, Usha Chakravarthy, Randhir Chavan, Narendra Dhingra, Louise Downey, Haralabos Eleftheriadis, Faruque Ghanchi, Rehna Khan, Vineeth Kumar, Aires Lobo, Andrew Lotery, Geeta Menon, Rajarshi Mukherjee, Helen Palmer, Sudeshna Patra, Bobby Paul, Dawn A Sim, James Stephen Talks, Elizabeth Wilkinson, Adnan Tufail, Catherine A Egan
AIM: To assess the impact of deprivation on diabetic retinopathy presentation and related treatment interventions, as observed within the UK hospital eye service. METHODS: This is a multicentre, national diabetic retinopathy database study with anonymised data extraction across 22 centres from an electronic medical record system. The following were the inclusion criteria: all patients with diabetes and a recorded, structured diabetic retinopathy grade. The minimum data set included, for baseline, age and Index of Multiple Deprivation, based on residential postcode; and for all time points, visual acuity, ETDRS grading of retinopathy and maculopathy, and interventions (laser, intravitreal therapies and surgery)...
September 29, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/30267697/long-term-outcome-of-nd-yag-laser-posterior-capsulotomy-in-children-procedural-strategies-and-visual-outcome
#17
Se Hyun Choi, Yong Dae Kim, Young Suk Yu, Mee Kum Kim, Hyuk Jin Choi
PURPOSE: To evaluate the long-term outcome of neodymium:yttrium-aluminum-garnet (Nd:YAG) laser posterior capsulotomy after cataract surgery in children. DESIGN: Retrospective case series METHODS: Electronic medical records of pediatric patients who underwent Nd:YAG laser posterior capsulotomy between January 1, 2008, and October 31, 2012, and followed up for more than five years were reviewed. RESULTS: Thirty one eyes of 25 patients were included...
September 26, 2018: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/30254494/continuous-intracorneal-ring-implantation-for-treatment-of-myopic-astigmatism
#18
Suzan Amana Rattan
We report a case of myopic astigmatism, not eligible for laser vision correction and with an anterior chamber depth below that recommended for application of phakic implantable collamer lens. In this case, the only refractive surgery option that remained for the patient was intracorneal ring implantation. The aim of the current presentation was to document the clinical and refractive outcomes after continuous intracorneal ring implantation in both eyes in this patient with myopic astigmatism. The results presented were collected during a 4-year follow-up period...
2018: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/30244049/presbyopia-effectiveness-of-correction-strategies
#19
REVIEW
James S Wolffsohn, Leon N Davies
Presbyopia is a global problem affecting over a billion people worldwide. The prevalence of unmanaged presbyopia is as high as 50% of those over 50 years of age in developing world populations, due to a lack of awareness and accessibility to affordable treatment, and is even as high as 34% in developed countries. Definitions of presbyopia are inconsistent and varied, so we propose a redefinition that states "presbyopia occurs when the physiologically normal age-related reduction in the eye's focusing range reaches a point, when optimally corrected for distance vision, that the clarity of vision at near is insufficient to satisfy an individual's requirements"...
September 19, 2018: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/30243392/comparison-of-effective-optical-zone-after-small-incision-lenticule-extraction-and-femtosecond-laser-assisted-laser-in-situ-keratomileusis-for-myopia
#20
Jie Hou, Yan Wang, Yulin Lei, Xiuyun Zheng
PURPOSE: To compare the effective optical zone (EOZ) after small-incision lenticule extraction (SMILE) and femtosecond laser-assisted laser in situ keratomileusis (FS-LASIK). SETTING: Jinan Mingshui Eye Hospital, Jinan, China. DESIGN: Retrospective case series. METHODS: Myopic patients who had small-incision lenticule extraction or FS-LASIK were enrolled in this retrospective study. Effective OZs were measured at 1 week, 1 month, and 3 months postoperatively, using the tangential curvature difference map of the Scheimpflug tomography system...
October 2018: Journal of Cataract and Refractive Surgery
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