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Cataract surgery

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https://www.readbyqxmd.com/read/28937875/multiplex-cytokine-analysis-of-aqueous-humor-from-the-patients-with-chronic-primary-angle-closure-glaucoma
#1
Roopam Duvesh, George Puthuran, Kavitha Srinivasan, Venkatesh Rengaraj, S R Krishnadas, Sharmila Rajendrababu, Vijayakumar Balakrishnan, Pradeep Ramulu, Periasamy Sundaresan
PURPOSE: To compare the levels of cytokines and growth factor in aqueous humor of the patients with chronic primary angle closure glaucoma (PACG) and cataract. METHODS: Aqueous humor samples were collected from 19 chronic PACG patients and compared with 14 nonglaucomatous controls presenting for cataract surgery. The levels of 27 cytokines and growth factors were measured in the aqueous samples using multiplex bead immunoassay and compared across groups. RESULTS: Significantly higher levels of interleukin (IL)-8 (p < 0...
September 22, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28937506/role-of-lens-extraction-and-laser-peripheral-iridotomy-in-treatment-of-glaucoma
#2
Sara Pose-Bazarra, Augusto Azuara-Blanco
PURPOSE OF REVIEW: Lens extraction in people with coexisting cataract and open angle glaucoma is associated with a reduction in intraocular pressure (IOP). In primary angle-closure glaucoma (PACG), lens extraction and laser peripheral iridotomy (LPI) can be used to open the anterior chamber angle, increase the outflow through the trabecular meshwork and reduce the IOP. The present review will summarize the recent available literature regarding the role of both interventions for the treatment of glaucoma...
September 20, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28937505/measuring-outcomes-in-cataract-surgery
#3
Vivian L Qin, Felipe F Conti, Rishi P Singh
PURPOSE OF REVIEW: The article presents a review of recently published studies reporting postcataract surgery outcomes and the use of electronic systems to track them. RECENT FINDINGS: Current publications report several parameters to measure cataract outcomes such as visual acuity, patient-reported visual function, contrast sensitivity, reading speed, residual refractive errors and complications (intraoperative and postoperative). SUMMARY: Cataracts currently afflict an estimated 94 million people worldwide, and surgical removal is the only effective therapy known...
September 20, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28936713/manual-removal-of-primary-posterior-capsular-plaques-using-retinal-end-grasping-forceps
#4
Gennady Landa, Khoa Pham
INTRODUCTION: Primary posterior capsular plaques can be highly adherent to the posterior capsule leading to possible posterior capsular rupture during attempted removal. Here we describe a novel method for posterior capsular plaque removal using a technique inspired by the experience of retina surgeon in the peeling of membranes from the posterior pole. METHODS: Retinal end-grasping forceps were used to peel the plaque from the posterior capsule. RESULTS: We have performed this technique on 12 eyes with successful removal of the posterior capsular plaque in all instances without compromise of the posterior capsule in any case...
September 21, 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/28936053/using-the-postoperative-visual-acuity-to-monitor-the-quality-of-cataract-surgery-does-the-day-one-visual-acuity-following-cataract-surgery-correlate-with-the-final-visual-acuity
#5
Halimatu Aliyu, Hamzah Mustak, Colin Cook
PURPOSE: Monitoring the visual acuity following cataract surgery is used as a measure of the quality of the surgery in blindness prevention programs in middle- and low-income countries. While the day 1 visual acuity is usually available, the (final) visual acuity after several weeks may not be available, as the majority of patients may not return for review. This study was undertaken to ascertain if the early and late visual acuities are correlated and if the day 1 visual acuity can be used to predict the likely final visual acuity...
April 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28935513/non-invasive-tryptophan-fluorescence-measurements-as-a-novel-method-of-grading-cataract
#6
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/28935401/long-term-endothelial-cell-loss-in-patients-with-artisan-myopia-and-artisan-toric-phakic-intraocular-lenses-5-and-10-year-results
#7
Soraya M R Jonker, Tos T J M Berendschot, Annick E Ronden, Isabelle E Y Saelens, Noël J C Bauer, Rudy M M A Nuijts
PURPOSE: To evaluate the long-term change in endothelial cell density (ECD) after the implantation of 2 types of rigid iris-fixated phakic intraocular lenses (pIOLs) for the treatment of myopia and astigmatism. DESIGN: Prospective, clinical cohort study. PARTICIPANTS: A total of 507 eyes of 289 patients receiving the Artisan Myopia or Artisan Toric (Ophtec B.V., Groningen, The Netherlands) iris-fixated pIOL for the treatment of myopia or astigmatism at the University Eye Clinic Maastricht as of January 1998...
September 18, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28932504/effects-of-intracameral-cefuroxime-on-corneal-endothelial-cell-counts-and-its-morphology-after-cataract-surgery
#8
Kourosh Shahraki, Mohammad Naeim Amini Fard, Farkhondeh Shahri, Rama Pourmatin, Tafgeh Mohammadi, Paria Ghasemi Boroumand, Kianoush Shahraki
BACKGROUND: Endophthalmitis is one of the most important complications after cataract surgery and in case event can cause many symptoms, such as severe decrease in eyesight and/or even the loss of vision. Employing methods to reduce this problem is very important. The aim of this study was to evaluate the effect of intracameral cefuroxime after cataract surgery on corneal endothelial cell counts and its morphology. METHODS: In this study, 32 eyes of 30 patients underwent endothelial cell count and morphology assessment by ConfoScan III device before and 1 month after cataract surgery...
June 2017: Interventional Medicine & Applied Science
https://www.readbyqxmd.com/read/28932335/cataract-surgery-in-patients-with-keratoconus-pearls-and-pitfalls
#9
F Aiello, Q J Nasser, C Nucci, R I Angunawela, Z Gatzioufas, V Maurino
BACKGROUND: Keratoconus (KC) is a common ectatic disorder resulting in progressive corneal thinning and irregular astigmatism. It has been observed that patients affected by KC are more likely to develop lens opacities earlier compared to non-keratoconic patients. OBJECTIVE: Intraocular lens (IOL) selection and refractive outcome prediction are among a number of factors that can make cataract surgery in keratoconic patients challenging. Accurate biometry is often difficult to obtain due to unreliable K measurements and lack of dedicated biometric formulae...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28931202/different-sized-incisions-for-phacoemulsification-in-age-related-cataract
#10
REVIEW
Chongfei Jin, Xinyi Chen, Andrew Law, Yunhee Kang, Xue Wang, Wen Xu, Ke Yao
BACKGROUND: Age-related cataract is the principal cause of blindness and visual impairment in the world. Phacoemulsification is the main surgical procedure used to treat cataract. The comparative effectiveness and safety of different-sized incisions for phacoemulsification has not been determined. OBJECTIVES: The aim of this systematic review was to assess the effectiveness and safety of smaller versus larger incisions for phacoemulsification in age-related cataract...
September 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28931181/-refractive-lens-exchange
#11
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/28929279/effectiveness-and-safety-of-combined-cataract-surgery-and-microhook-ab-interno-trabeculotomy-in-japanese-eyes-with-glaucoma-report-of-an-initial-case-series
#12
Masaki Tanito, Yoshifumi Ikeda, Etsuko Fujihara
PURPOSE: To report the early postoperative results and safety profile of ab interno microhook trabeculotomy (μLOT) combined with cataract surgery. PATIENTS AND METHODS: This retrospective observational case series included 68 consecutive glaucomatous eyes of 23 Japanese men and 25 Japanese women [mean (SD) age, 76.0 ± 8.5 years] who underwent μLOT for intraocular pressure (IOP) and visually relevant cataracts. The LOT site/extent, perioperative complications, and complication treatments were collected from the medical and surgical records...
September 19, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28926197/epiretinal-membrane-surgery-an-analysis-of-2-step-sequential-or-combined-phacovitrectomy-surgery-on-refraction-and-macular-anatomy-in-a-prospective-trial
#13
Hassan Hamoudi, Ulrik Correll Christensen, Morten La Cour
PURPOSE: To assess the impact of combined phacoemulsification-vitrectomy and sequential surgery for idiopathic epiretinal membrane (ERM) on refractive error (RE) and macular morphology. METHODS: In this prospective clinical trial, we allocated phakic eyes with ERM to (1) cataract surgery and subsequent pars plana vitrectomy (PPV) (CAT group), (2) PPV and subsequent cataract surgery (VIT group) or (3) phaco-vitrectomy (COMBI group). Examinations were at baseline, one month after each surgery, and at 3 months and 12 months of follow-up...
September 19, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28925927/postoperative-endophthalmitis-caused-by-bosea-thiooxidans
#14
Vaidehi S Dedania, Devon H Ghodasra, David N Zacks
PURPOSE: To report an unusual case of postcataract endophthalmitis secondary to Bosea thiooxidans. METHODS: Case report. RESULTS: An 86-year-old man presented with postoperative endophthalmitis 3 weeks after uncomplicated cataract surgery. He complained of a headache and blurry vision but denied having eye pain. Slit-lamp examination demonstrated leukocytes with a fibrinous membrane in the anterior segment and vitritis. A diagnosis of acute postoperative endophthalmitis was made, and the patient was treated with intravitreal antibiotics...
October 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28924422/femtosecond-laser-assisted-cataract-surgery-in-vitrectomized-eye-with-posterior-chamber-phakic-intraocular-lens
#15
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/28924416/detection-of-pars-plana-rupture-by-ultrasound-biomicroscopy-after-cannula-dislodgement-during-cataract-wound-hydration
#16
Yoshihiro Yonekawa, Benjamin J Thomas, Laurie K Lau-Sickon, Bradley J Anderson, Alan J Ruby
Ultrasound biomicroscopy (UBM) is a valuable diagnostic modality for imaging anterior ocular structures. Its utility has been well studied in anterior segment, lenticular, and pars plicata pathologies. However, imaging of the pars plana has been seldom described. We present the case of a 66-year-old woman referred for vitreous hemorrhage after expulsive cannula dislodgement into the posterior segment during wound hydration at the end of cataract surgery. B-scan ultrasonography initially detected a very anterior abnormality, but the resolution was insufficient for accurate diagnosis...
2017: Digital Journal of Ophthalmology: DJO
https://www.readbyqxmd.com/read/28924343/glaucoma-surgery-in-scleromalacia-using-endoscopic-cyclophotocoagulation-where-conventional-filtration-surgery-or-angle-procedures-are-contraindicated
#17
Ian As Rodrigues, Dan Lindfield, Miles R Stanford, Saurabh Goyal
AIM: To describe the surgical management of glaucoma in a patient with severe scleromalacia, and secondary angle closure. INTRODUCTION: The management of glaucoma with coexisting scleromalacia plus secondary angle closure is challenging as most commonly performed incisional glaucoma surgery as well as minimally invasive glaucoma surgery (MIGS), which targets the drainage angle are all contraindicated. CASE REPORT: Medically refractory glaucoma in a 60-year-old male with a 30-year history of granulomatosis with polyangiitis resulting in extensive severe scleromalacia, cicatricial lower lid retraction with significant conjunctival exposure, and widespread synechial angle closure from chronic anterior uveitis was managed with combined phacoemulsification cataract surgery, and endoscopic cyclophotocoagulation (ECP)...
May 2017: Journal of Current Glaucoma Practice
https://www.readbyqxmd.com/read/28922308/large-retinal-pigment-epithelial-rip-associated-with-bullous-retinal-and-choroidal-detachment
#18
Jesse T McCann, Michael Engelbert
PURPOSE: To report a giant retinal pigment epithelium rip in a patient with a bullous retinal and choroidal detachment. METHODS: Case report with widefield imaging, fundus autofluorescence, and optical coherence tomography of the retina. RESULTS: This 62-year-old patient had a history of advanced glaucoma, trabeculectomy, blebitis, and endophthalmitis. He had cataract surgery 6 weeks before presentation. He was found to have a large bullous retinal and choroidal detachment with a large retinal pigment epithelium tear at the limit of the choroidal detachment...
October 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28921670/circular-circular-regression-model-with-a-spike-at-zero
#19
Jayant Jha, Atanu Biswas
With reference to a real data on cataract surgery, we discuss the problem of zero-inflated circular-circular regression when both covariate and response are circular random variables and a large proportion of the responses are zeros. The regression model is proposed, and the estimation procedure for the parameters is discussed. Some relevant test procedures are also suggested. Simulation studies and real data analysis are performed to illustrate the applicability of the model.
September 18, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28918826/islamic-medicine-in-the-middle-ages
#20
EDITORIAL
Hawa Edriss, Brittany N Rosales, Connie Nugent, Christian Conrad, Kenneth Nugent
The Islamic culture flourished between the 9th and 13th centuries. Scholars from this era made significant contributions in mathematics, science and medicine. Caliphs and physicians built hospitals that provided universal care and the foundation for medical education. Physician-scientists made significant advances in medical care, surgery and pharmacology. Notable authorities include al-Razi (865-925 CE) who wrote the Kitab al-Hawi fi al-tibb (The Comprehensive Book on Medicine), a 23-volume textbook that provided the main medical curriculum for European schools into the 14th century...
September 2017: American Journal of the Medical Sciences
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