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Phacoemulsification

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https://www.readbyqxmd.com/read/29651340/changes-in-flow-density-measured-using-optical-coherence-tomography-angiography-after-istent-insertion-in-combination-with-phacoemulsification-in-patients-with-open-angle-glaucoma
#1
Maged Alnawaiseh, Viktoria Müller, Larissa Lahme, Ralph Laurent Merté, Nicole Eter
Purpose: To evaluate changes in flow density after the implantation of a trabecular microbypass stent (iStent) in combination with cataract surgery. Methods: A total of 48 eyes of 48 patients, who underwent either cataract surgery alone (cataract group) or cataract surgery with implantation of two iStent inject devices (iStent group), were prospectively included in this study. Intraocular pressure (IOP) and flow density data before and after surgery were extracted and analyzed...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29629342/comparison-of-preoperative-infusion-of-magnesium-sulfate-and-mannitol-on-intraocular-pressure-changes-in-patients-undergoing-phacoemulsification-surgery
#2
Kamran Montazeri, Hasanali Soltani, Mojtaba Rahimi Varposhti, Leila Mohajeri
Background: The present study has been designed to compare the effect of magnesium sulfate with mannitol on reducing intraocular pressure (IOP). Materials and Methods: During the phacoemulsification surgery, 105 patients randomly divided into three groups receiving 20% mannitol at a dose of 0.3 g/kg, 50% magnesium sulfate at a dose of 20 mg/kg, and placebo (normal saline), with the same volume (100 ml) and infusion time (10 min), were used for the first, second, and third groups, respectively...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29624544/differences-in-refractive-outcomes-between-phacoemulsification-for-cataract-alone-and-combined-phacoemulsification-and-vitrectomy-for-epiretinal-membrane
#3
Lynn Shi, Jonathan S Chang, Leejee H Suh, Stanley Chang
PURPOSE: To determine whether preoperative adjustments are required for intraocular lens calculations in combined phacovitrectomy surgery. METHODS: A single-center, retrospective study of 50 eyes that underwent combined phacovitrectomy and a control group of 50 eyes after cataract surgery over a 3-year period by a single anterior segment surgeon and a single posterior segment surgeon. Main outcome measures were predicted refractive error (RE), as determined by SRK/T and Holladay 1 formulas, change compared with actual RE, surgically induced astigmatism, and the relationships between preoperative central foveal thickness or change in central foveal thickness and final RE...
April 5, 2018: Retina
https://www.readbyqxmd.com/read/29623732/clinical-outcome-and-higher-order-aberrations-after-bilateral-implantation-of-an-extended-depth-of-focus-intraocular-lens
#4
Daniel Pilger, David Homburg, Tobias Brockmann, Necip Torun, Eckart Bertelmann, Christoph von Sonnleithner
PURPOSE: The purpose of this study was to assess the clinical outcome after a bilateral implantation of an extended depth of focus intraocular lens in comparison to a monofocal intraocular lens. SETTING: Department of Ophthalmology, Charité-Medical University Berlin, Germany. PATIENTS AND METHODS: A total of 60 eyes of 30 patients were enrolled in this prospective, single-center study. The cataract patients underwent phacoemulsification with bilateral implantation of a TECNIS® Symfony (Abbott Medical Optics, Santa Ana, CA, USA, 15 patients) or a TECNIS Monofocal ZCB00 (Abbott Medical Optics, Santa Ana, CA, USA, 15 patients)...
April 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29618836/outcomes-of-sphincterotomy-for-small-pupil-phacoemulsification
#5
Joanne W Y Goh, Rhys Harrison, Shokufeh Tavassoli, Derek M Tole
PURPOSE: Sphincterotomy, an alternative to iris hooks or pupil stretching, is a technique that can aid in small pupil phacoemulsification. The incidence of post-operative complications of this procedure, however, has not been studied. Our study evaluates the post-operative outcomes of phacoemulsification surgery with adjunctive pupillary sphincterotomy. METHODS: We conducted a retrospective review of case notes and Medisoft ® electronic record of patients that had undergone simultaneous sphincterotomy, phacoemulsification and intraocular lens (IOL) implantation by a single surgeon between March 2012 and February 2017...
April 5, 2018: Eye
https://www.readbyqxmd.com/read/29615113/intraocular-lens-power-calculation-for-the-equine-eye
#6
Ulrike Meister, Christiane Görig, Christopher J Murphy, Hubertus Haan, Bernhard Ohnesorge, Michael H Boevé
BACKGROUND: Phacoemulsification and intraocular lens (IOL) implantation during cataract surgery in horses occur with increasing frequency. To reduce the postoperative refractive error it is necessary to determine the proper IOL power. In the present study retinoscopy, keratometry and ultrasonographic biometry were performed on 98 healthy equine eyes from 49 horses. The refractive state, corneal curvature (keratometry) and the axial location of all optical interfaces (biometry) were measured...
April 3, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29613976/similar-performance-of-trabectome-and-ahmed-glaucoma-devices-in-a-propensity-score-matched-comparison
#7
Hamed Esfandiari, Tarek Shazly, Susannah Waxman, Sushma Kola, Kevin B Kaplowitz, Eric N Brown, Nils A Loewen
PURPOSE: To apply propensity score matching to Ahmed glaucoma drainage implants (AGI) to trabectome-mediated ab interno trabeculectomy (AIT). Recent data suggests that AIT can produce results similar to AGI traditionally reserved for more severe glaucoma. METHODS: AGI and AIT patients with at least one year of follow-up were included. The primary outcome measures were intraocular pressure (IOP), glaucoma medications, and a Glaucoma Index (GI) score. GI reflected glaucoma severity based on visual field, the number of preoperative medications, and preoperative IOP...
April 2, 2018: Journal of Glaucoma
https://www.readbyqxmd.com/read/29605284/refractive-outcomes-of-phacoemulsification-cataract-surgery-in-glaucoma-patients
#8
Niranjan Manoharan, Jennifer L Patnaik, Levi N Bonnell, Jeffrey R SooHoo, Mina B Pantcheva, Malik Y Kahook, Brandie D Wagner, Anne M Lynch, Leonard K Seibold
PURPOSE: To evaluate refractive outcomes after phacoemulsification cataract surgery in patients with glaucoma. SETTING: University of Colorado Health Eye Center, Aurora, Colorado, USA. DESIGN: Retrospective case series. METHODS: The incidence of refractive surprise was evaluated in patients with and without glaucoma after phacoemulsification cataract surgery. Refractive surprise was defined as the difference in spherical equivalent of the refractive target and postoperative refraction in diopters (D)...
March 28, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29600189/a-comparison-of-surgical-efficacy-between-a-1-8-mm-microincision-and-3-2-mm-and-5-5-mm-incisions-for-phacoemulsification
#9
E Song, Xin Li, Ming-Chao Bi, Hua Ren, Dan Wang, Zhi-Hua Cui, Wei Yang, Hui Shi, Ya-Bin Sun
Phacoemulsification is a commonly used surgical method in cataract surgery. This paper observes and compares the surgical efficacy of three incisions of different length for phacoemulsification to identify the optimal method for cataract surgery. Ninety patients were enrolled in the present study and divided into three groups. The 1.8-mm group received Bausch & Lomb MI60 foldable intraocular lens (IOL) implantation ( n =30), 3.2-mm group received Bausch & Lomb Akreos AO foldable lens implantation ( n =30), and 5...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29600184/comparison-of-visual-outcomes-with-implantation-of-trifocal-versus-bifocal-intraocular-lens-after-phacoemulsification-a-meta-analysis
#10
Juan-Juan Yang, Qiu-Ping Liu, Jing-Ming Li, Li Qin
AIM: To compare a trifocal intraocular lens (IOL) and a bifocal IOL implantation in improving visual function after cataract surgery. METHODS: Eligible literatures were systematically searched through EMBASE and PubMed databases. The inclusion criteria were prospective comparative clinical trials on cataract surgery comparing trifocal IOL with bifocal IOL implantation that assessed visual acuity, contrast sensitivity and subjective vision quality. The effects were computed as standardized mean differences and pooled using fixed-effect or random-effect models...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29600173/human-lens-epithelial-cell-apoptosis-and-epithelial-to-mesenchymal-transition-in-femtosecond-laser-assisted-cataract-surgery
#11
Wei Sun, Jia Liu, Jing Li, Di Wu, Jing Wang, Ming-Wu Wang, Jin-Song Zhang, Jiang-Yue Zhao
AIM: To evaluate human lens epithelium cell apoptosis and epithelial to mesenchymal transition (EMT) induced by femtosecond laser in femtosecond laser assisted cataract surgery (FLACS). METHODS: Sixty cataract patients with N2 to N3 stage according to the LOCS III were enrolled in this study and divided into three groups randomly: FLACS1 group (cataract surgery by FLACS with LenSx), FLACS2 group (cataract surgery by FLACS with LensAR) and manual group (cataract surgery by phacoemulsification)...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29594789/outcomes-of-presbyopia-correcting-intraocular-lenses-after-laser-in-situ-keratomileusis
#12
REVIEW
Sharon S W Chow, Tommy C Y Chan, Alex L K Ng, Alvin K H Kwok
BACKGROUND: Laser in situ keratomileusis (LASIK) is the most common refractive surgery in young patients, which aims at providing a clear distance vision without the use of spectacles. With time, these patients develop symptomatic cataract, which affects activities of daily living, and to improve visual acuity, intraocular lens (IOL) implantation can be considered. In post-myopic LASIK patients, to allow continuation of spectacle independence, the implantation of presbyopia-correcting IOLs is a suitable option...
March 28, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29590686/-long-term-results-after-trabeculectomy-combined-with-mitomycin-c-and-ologen-implant
#13
Sofia Fili, Sabine Seddig, Markus Kohlhaas
BACKGROUND: The Ologen implant consists of a biodegradable collagen and glycosaminoglycan and is intended to avoid postoperative bleb scarring or encapsulation. MATERIALS AND METHODS: In a retrospective clinical study, 806 patients with advanced glaucoma were treated with trabeculectomy combined with mitomycin C0.02% and Ologen implant. The follow-up time of the study was 8 years. RESULTS: A long-term reduction of the intraocular pressure below 16 mmHg was achieved in 92...
March 28, 2018: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29588058/-manual-small-incision-cataract-surgery-experience-of-a-regional-eye-care-service-in-togo
#14
K B Nonon Saa
In order to fight against blindness in the central region of Togo, a project was implemented in a partnership between the Ministry of Health and an international Non-Governmental Organization: the Swiss Red Cross. Cataract surgery underwent an annual audit of the research-action type, in order to improve the functional results of patients. One of the recommendations of these audits was the introduction of manual small incision surgery in place of the classic extracapsular technique. This study had for its objective to evaluate the functional results and follow-up of patients undergoing the new technique compared with quality standards of cataract surgery according to the World Health Organization...
March 24, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29587978/mechanical-model-of-human-eye-compliance-for-volumetric-occlusion-break-surge-measurements
#15
David W Dyk, Kevin M Miller
PURPOSE: To develop a mechanical model of human eye compliance for volumetric studies. SETTING: Alcon Research, Ltd., Lake Forest, California, USA. DESIGN: Experimental study. METHODS: Enucleated human eyes underwent pressurization and depressurization cycles with peak intraocular pressures (IOPs) of 60 to 100 mm Hg; anterior chamber pressure and volume changes were measured. Average net volume change curves were calculated as a function of IOP for each eye...
February 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29576881/combined-phacoemulsification-and-goniosynechialysis-under-an-endoscope-for-chronic-primary-angle-closure-glaucoma
#16
Li Nie, Weihua Pan, Aiwu Fang, Zhangliang Li, Zhenbin Qian, Lin Fu, Yau Kei Chan
Purpose: To investigate the clinical efficacy and safety of combined phacoemulsification with goniosynechialysis (GSL) under an ophthalmic endoscope for chronic primary angle-closure glaucoma and coexisting cataract. Methods: This is a retrospective study. The intraocular pressure (IOP), best-corrected visual acuity (BCVA), and number of glaucoma medications at baseline and each postoperative follow-up visit were recorded. Other measurements included supraciliochoroidal fluid measured by anterior segment optical coherence tomography, corneal endothelial cell density (ECD), and peripheral anterior synechia (PAS)...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29575599/comparability-of-subjective-and-objective-measurements-of-nuclear-density-in-cataract-patients
#17
Natalia Y Makhotkina, Tos T J M Berendschot, Frank J H M van den Biggelaar, Alexander R H Weik, Rudy M M A Nuijts
PURPOSE: To evaluate the relationship between subjective and objective measurements of lens density and the energy of phacoemulsification. SETTING: University Eye Clinic, Maastricht University Medical Centre, Maastricht, the Netherlands. DESIGN: Cross-sectional study. METHODS: The study population included 69 patients. Nuclear opalescence (NO) was graded with the Lens Opacities Classification System III (LOCS III). Thereafter, lens density was measured objectively with Scheimpflug imaging, anterior segment optical coherent tomography and spectral fundus reflectometry (SFR)...
March 25, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29569057/-mechanical-pupillary-dilatation-using-rings-in-small-pupils-during-cataract-surgery-video-article
#18
REVIEW
C Wirbelauer, S Schmidt, C Puk
OBJECTIVE: The purpose of mechanical pupillary dilatation in small pupils is a sufficient visualization of the lens to be able to perform capsulorhexis, phacoemulsification and intraocular lens implantation. INDICATIONS: The indications for mechanical dilatation are fulfilled in patients where a sufficient pharmacological preoperative pupil dilatation is not possible. SURGICAL TECHNIQUE: During routine cataract surgery specific foldable rings can be employed to dilate the pupil with the appropriate injector under viscoelastic substances...
March 22, 2018: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/29568763/anterior-capsule-of-the-lens-comparison-of-morphological-properties-and-apoptosis-induction-following-flacs-and-standard-phacoemulsification-surgery
#19
Alessandra Pisciotta, Michele De Maria, Tommaso Verdina, Elisa Fornasari, Anto de Pol, Gian Maria Cavallini
Purpose: Comparative evaluation of morphological features of anterior capsules and apoptosis induction in epithelial cells after femtosecond laser-assisted cataract surgery (FLACS) and standard phacoemulsification surgery. Methods: Group 1: 30 FLACS anterior capsulotomies and Group 2: 30 manual anterior continuous curvilinear capsulorhexes. All patients were operated on by the same experienced surgeon. Morphological features of the anterior capsules and apoptosis induction in epithelial cells were evaluated...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29566650/short-term-changes-of-choroidal-vascular-structures-after-phacoemulsification-surgery
#20
Haisong Chen, Zheming Wu, Yun Chen, Manshan He, Jiawei Wang
BACKGROUND: To evaluate the changes of choroidal vascular structures in patients after phacoemulsification surgery. METHODS: A self-control study was conducted on 36 eyes of 36 patients who had uneventful phacoemulsification. Choroidal images were acquired preoperatively, 7 days (D7), 1 month (M1), and 3 months (M3) after surgery from enhanced depth imaging (EDI) optical coherence tomography (OCT) scans. Choroidal vascularity index (CVI) was used to assess vascular status of the choroid using image binarization by the Niblack method...
March 23, 2018: BMC Ophthalmology
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