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laser in ophthalmology

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https://www.readbyqxmd.com/read/27905331/prevalent-practice-patterns-in-glaucoma-poll-of-indian-ophthalmologists-at-a-national-conference
#1
Nikhil Shreeram Choudhari, Vanita Pathak-Ray, Sushmita Kaushik, Prateep Vyas, Ronnie George
PURPOSE: The aim of this study is to explore and compare the prevailing practice patterns in the diagnosis and management of glaucoma among subspecialists and general ophthalmologists in India. MATERIALS AND METHODS: This is an interactive audience response system (ARS) based poll of ophthalmologists attending the annual conference of the Glaucoma Society of India in 2013. RESULTS: The information was obtained from 379 ophthalmologists (146 glaucoma specialists, 54 nonglaucoma subspecialists, and 179 general ophthalmologists)...
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27900535/evaluation-of-cerebral-circulation-during-retrograde-perfusion-by-laser-speckle-flowgraphy
#2
Fumiaki Kimura, Hirotsugu Kanda, Yuki Toyama, Takayuki Kunisawa, Taiji Nagaoka, Akitoshi Yoshida, Hiroto Kitahara, Hiroyuki Kamiya
Laser speckle flowgraphy (LSFG) is an ophthalmologic equipment that qualitatively detects the blood flow of the optic nerve head, which is known to be related with cerebral microcirculation. LSFG can also measure the mean blur rate, which quantitatively calculates the blood flow. We aimed to assess the utility of LSFG in the evaluation of cerebral perfusion during aortic surgery under hypothermic circulatory arrest with retrograde and antegrade cerebral perfusion. Two patients underwent total arch replacement for aneurysm...
November 29, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27893669/cost-of-glaucoma-treatment-in-a-developing-country-over-a-5-year-period
#3
Gabriel Lazcano-Gomez, María de Los Angeles Ramos-Cadena, Margarita Torres-Tamayo, Alejandra Hernandez de Oteyza, Mauricio Turati-Acosta, Jesús Jimenez-Román
The aim of the study was to disclose a realistic estimate of primary open-angle glaucoma treatment, follow-up costs, and patients' monthly glaucoma-economic burden in an ophthalmology hospital in Mexico City.Prospective survey of 462 primary open-angle glaucoma patients from 2007 to 2012 was carried out. Costs from visits, glaucoma follow-up studies, laser, and glaucoma surgical procedures were obtained from hospital pricings. Education, employment, and monthly income were interrogated. Total cost was divided into hypotensive treatment cost, nonpharmacologic treatment cost (laser and surgeries), and follow-up studies and consults...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27888376/laser-flare-cell-photometer-principle-and-significance-in-clinical-and-basic-ophthalmology
#4
REVIEW
Mitsuru Sawa
A slit-lamp examination is an indispensable and essential clinical evaluation method in ophthalmology, but, it is qualitative subjective. To complement its weaknesses in making a quantitative evaluation of flare intensity and number of cells in the aqueous humor in the eye, we invented the laser flare-cell photometer in 1988. The instrument enables a non-invasive quantitative evaluation of flare intensity and number of cells in the aqueous with good accuracy and repeatability as well as maneuverability equal to slit-lamp microscopy...
November 25, 2016: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/27882027/visual-outcome-of-laser-treatment-in-diabetic-macular-edema-study-from-an-urban-diabetes-care-center
#5
Rashid Alvi, Muhammad Saleh Memon, Samad Shera, Seema N Mumtaz, Sikander Ali Shaikh, Muhammad Faisal Fahim
OBJECTIVE: To determine the visual outcome of laser treatment in clinically significant macular edema. METHODS: This interventional and qausi experimental study was carried out at Diabetic Association of Pakistan (DAP) during January 2011 and December 2012. Approval was taken from Research Ethical Committee of Isra Postgraduate Institute of Ophthalmology. Records of 925 eyes of 464 patients with "Clinical Significant macular edema" (CSME), treated with laser photocoagulation were analyzed...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27843292/topography-modified-refraction-tmr-adjustment-of-treated-cylinder-amount-and-axis-to-the-topography-versus-standard-clinical-refraction-in-myopic-topography-guided-lasik
#6
Anastasios John Kanellopoulos
PURPOSE: To evaluate the safety, efficacy, and contralateral eye comparison of topography-guided myopic LASIK with two different refraction treatment strategies. SETTING: Private clinical ophthalmology practice. PATIENTS AND METHODS: A total of 100 eyes (50 patients) in consecutive cases of myopic topography-guided LASIK procedures with the same refractive platform (FS200 femtosecond and EX500 excimer lasers) were randomized for treatment as follows: one eye with the standard clinical refraction (group A) and the contralateral eye with the topographic astigmatic power and axis (topography-modified treatment refraction; group B)...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27826179/efficacy-of-single-bevacizumab-injection-as-adjuvant-therapy-to-laser-photocoagulation-in-macular-edema-secondary-to-branch-retinal-vein-occlusion
#7
Arief S Kartasasmita, Siska Takarai, Astriviani Switania, Sutarya Enus
BACKGROUND: Macular grid laser photocoagulation remains the standard treatment for macular edema secondary to branch retinal vein occlusion (BRVO). One possible strategy for treating macular edema is to inhibit VEGF activity by competitive binding of VEGF with an anti-VEGF antibody, suggesting the therapy option with bevacizumab. However, multiple injections of anti-VEGF may lead to complications and high cost. PURPOSE: The aim of this study was to evaluate the improvement in visual acuity and central macular thickness after combination therapy of laser photocoagulation with single intravitreal bevacizumab injection in macular edema secondary to BRVO...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27810985/determining-diabetic-retinopathy-screening-interval-based-on-time-from-no-retinopathy-to-laser-therapy
#8
Daniel Hughes, Sunil Nair, John N Harvey
OBJECTIVES: To determine the necessary screening interval for retinopathy in diabetic patients with no retinopathy based on time to laser therapy and to assess long-term visual outcome following screening. METHODS: In a population-based community screening programme in North Wales, 2917 patients were followed until death or for approximately 12 years. At screening, 2493 had no retinopathy; 424 had mostly minor degrees of non-proliferative retinopathy. Data on timing of first laser therapy and visual outcome following screening were obtained from local hospitals and ophthalmology units...
November 3, 2016: Journal of Medical Screening
https://www.readbyqxmd.com/read/27788183/angle-closure-scoring-system-acss-a-scoring-system-for-stratification-of-angle-closure-disease
#9
Aparna Rao, Debananda Padhy, Sarada Sarangi, Gopinath Das
PURPOSE: To evaluate the angle closure scoring system (ACSS) for stratifying primary angle course disease. METHODS: This observational cross sectional institutional study included patients with primary open angle glaucoma suspects (n = 21) and primary angle closure disease (primary angle closure, PAC, n = 63 and primary angle course glaucoma, PACG, n = 58 (defined by International society of Geographical and Epidemiological Ophthalmology, ISGEO). Two independent examiners blinded to clinical details, graded good quality pre-laser goniophotographs of the patients incorporating quadrants of peripheral anterior synechieae (PAS), non-visibility of posterior trabecular meshwork (PTM) and blotchy pigments (ranging from 1-4 quadrants), iris configuration, angle recess (sum of above depicting ACSSg) and lens thickness/axial length ratio (LT/AL), cup disc ratio and baseline intraocular pressure (IOP) to give total score (ACSSt)...
2016: PloS One
https://www.readbyqxmd.com/read/27759862/first-travel-associated-congenital-zika-syndrome-in-the-us-ocular-and-neurological-findings-in-the-absence-of-microcephaly
#10
Camila V Ventura, Maria Paula Fernandez, Ivan A Gonzalez, Delia M Rivera-Hernandez, Roberto Lopez-Alberola, Maria Peinado, Angelica A Floren, Patricia A Rodriguez, Basil K Williams, Gabriela de la Vega Muns, Ana J Rodriguez, Catherin Negron, Brenda Fallas, Audina M Berrocal
A 6-day-old female baby with known diagnosis of congenital Zika infection was referred for ophthalmologic examination. The mother (37 years old) was referred for a pruritic rash, conjunctival hyperemia, and malaise at 12 weeks of gestation while still living in Venezuela. Upon arrival to Miami, Zika virus (ZIKV) exposure was confirmed during prenatal screening. At birth, due to the known exposure, a complete congenital ZIKV workup was performed, including brain ultrasound and MRI, which disclosed calcifications in the frontal lobe...
October 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27759860/value-of-optical-coherence-tomography-angiography-imaging-in-diagnosis-and-treatment-of-hemangioblastomas-in-von-hippel-lindau-disease
#11
Stefan J Lang, Bertan Cakir, Charlotte Evers, Franziska Ludwig, Clemens A K Lange, Hansjürgen T Agostini
BACKGROUND AND OBJECTIVE: The introduction of optical coherence tomography angiography (OCTA) provides new insights into the retinal vasculature. The aim of this study was to explore the value of OCTA in imaging retinal hemangioblastomas and monitoring laser treatment in patients with von Hippel-Lindau (VHL) disease. PATIENTS AND METHODS: Ten eyes of 10 patients with VHL disease were included in this retrospective case series. All patients underwent complete ophthalmological work-up including OCTA for retinal and optic nerve head hemangioblastoma...
October 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27759859/evaluation-and-referral-of-diabetic-eye-disease-in-the-endocrinology-and-primary-care-office-settings
#12
Fabiana Q Silva, Mehreen Adhi, Karen M Wai, Leann Olansky, M Cecilia Lansang, Rishi P Singh
BACKGROUND AND OBJECTIVE: The purpose of this study was to identify whether endocrinologists and primary care physicians (PCP) adequately screen for ophthalmic symptoms/signs within office visits and provide timely ophthalmology referrals in patients with diabetes. PATIENTS AND METHODS: Patients between the ages of 18 years and 80 years with diabetes who underwent an office visit with an endocrinologist or a PCP between January 1, 2014, and December 31, 2014, were identified...
October 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27759858/the-effect-of-bevacizumab-pretreatment-on-the-choice-of-endotamponade-in-diabetic-tractional-retinal-detachment
#13
Mehmet Murat Uzel, Mehmet Citirik, Cagri Ilhan, Merve Inanc
BACKGROUND AND OBJECTIVE: To evaluate the effect of preoperative intravitreal bevacizumab (IVB) (Avastin; Genentech, South San Francisco, CA) injection on the choice of endotamponade at the end of surgery in patients who underwent pars plana vitrectomy (PPV) for diabetic tractional retinal detachment (DTRD). PATIENTS AND METHODS: Seventy-eight patients who had DTRD with macular involvement and underwent PPV by a single surgeon from January 2012 to May 2015 were included...
October 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27720860/the-adult-zebrafish-retina-in%C3%A2-vivo-optical-sectioning-with-confocal-scanning-laser-ophthalmoscopy-and-spectral-domain-optical-coherence-tomography
#14
Brent A Bell, Alex Yuan, Rose M Dicicco, Joseph Fogerty, Emma M Lessieur, Brian D Perkins
Non-invasive imaging is an invaluable diagnostic tool in ophthalmology. Two imaging devices, the scanning laser ophthalmoscope (SLO) and spectral domain optical coherence tomography (SDOCT), emerged from the clinical realm to provide research scientists with a real-time view of ocular morphology in living animals. We utilized these two independent imaging modalities in a complementary manner to perform in vivo optical sectioning of the adult zebrafish retina. Due to the very high optical power of the zebrafish lens, the confocal depth of field is narrow, allowing for detailed en face views of specific retinal layers, including the cone mosaic...
December 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27664701/ocular-hypotony-in-patients-with-juvenile-idiopathic-arthritis-associated-uveitis
#15
Michael R R Böhm, Christoph Tappeiner, Marc A Breitbach, Beatrix Zurek-Imhoff, Carsten Heinz, Arnd Heiligenhaus
PURPOSE: To analyze occurrence, risk factors, and course of ocular hypotony (OH) in juvenile idiopathic arthritis-associated uveitis (JIAU). DESIGN: Cohort study. METHODS: Epidemiologic and ophthalmologic data at baseline and during follow-up of JIAU patients with and without ocular hypotony were evaluated. RESULTS: OH developed in 57 of the 365 JIAU patients during the follow-up (mean 4.5 ± 3.5 years). In 40 patients with follow-up ≥12 months, OH was unrelated to previous ocular surgery: risk factors at baseline (univariate logistic regression analysis) included longer total duration of uveitis (odds ratio [OR] 1...
January 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27664288/historical-perspectives-on-the-management-of-macular-degeneration-diabetic-retinopathy-and-retinal-detachment-personal-reminiscences
#16
Stuart L Fine, Morton F Goldberg, William Tasman
We were challenged and delighted when Dr. Sharon Solomon, guest editor of this Retina Supplement, invited us to reminisce about caring for patients with common retinal disorders before there was access to the diagnostic and therapeutic tools that are readily available today. We agreed to confine our remarks to 3 common, but serious, conditions: age-related macular degeneration (Dr. Fine), diabetic retinopathy (Dr. Goldberg), and retinal detachment (Dr. Tasman). Each of us completed our ophthalmology training about half a century ago...
October 2016: Ophthalmology
https://www.readbyqxmd.com/read/27625164/morphological-and-functional-changes-in-recalcitrant-diabetic-macular-oedema-after-intravitreal-dexamethasone-implant
#17
Pierluigi Iacono, Maurizio Battaglia Parodi, Matteo Scaramuzzi, Francesco Bandello
BACKGROUND: To evaluate the effects of dexamethasone implant in eyes affected by recalcitrant diabetic macular oedema (DME) associated with proliferative diabetic retinopathy (PDR). METHODS: Thirteen consecutive patients with centre-involving DME associated with PDR, central macular thickness (CMT) ≥300 µm, previous therapy with panretinal photocoagulation, focal/grid laser treatment and anti-vascular endothelial growth factor injection were prospectively enrolled...
September 13, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27623742/laser-thermal-therapy-monitoring-using-complex-differential-variance-in-optical-coherence-tomography
#18
William C Y Lo, Néstor Uribe-Patarroyo, Ahhyun S Nam, Martin Villiger, Benjamin J Vakoc, Brett E Bouma
Conventional thermal therapy monitoring techniques based on temperature are often invasive, limited by point sampling, and are indirect measures of tissue injury, while techniques such as magnetic resonance and ultrasound thermometry are limited by their spatial resolution.  The visualization of the thermal coagulation zone at high spatial resolution is particularly critical to the precise delivery of thermal energy to epithelial lesions. In this work, an integrated thulium laser thermal therapy monitoring system was developed based on complex differential variance (CDV), which enables the 2D visualization of the dynamics of the thermal coagulation process at high spatial and temporal resolution with an optical frequency domain imaging system...
September 14, 2016: Journal of Biophotonics
https://www.readbyqxmd.com/read/27621782/intraoperative-flap-complications-in-lasik-surgery-performed-by-ophthalmology-residents
#19
Lorena Romero-Diaz-de-Leon, Juan Carlos Serna-Ojeda, Alejandro Navas, Enrique O Graue-Hernández, Arturo Ramirez-Miranda
PURPOSE: To report the rate of flap-related complications in LASIK surgery performed by in-training ophthalmology residents and to analyze the risk factors for these complications. METHODS: We analyzed 273 flap dissections in 145 patients from March 2013 to February 2014. We included all LASIK surgeries performed by 32 ophthalmology residents using a Moria M2 microkeratome. All the flap-related complications were noted. Comparison between both groups with and without complications was performed with an independent Student's t-test and relative risks were calculated...
July 2016: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/27571013/peripapillary-nerve-fiber-elevation-in-young-healthy-eyes
#20
Takehiro Yamashita, Taiji Sakamoto, Naoya Yoshihara, Hiroto Terasaki, Minoru Tanaka, Yuya Kii, Kumiko Nakao
PURPOSE: Eyes with a peripapillary nerve fiber elevation (pNFE) are those with a discrepancy between the optic disc margin in a color fundus photograph and the Bruch's membrane opening in an optical coherent tomographic (OCT) cross-sectional image. The purpose of this study was to determine the prevalence of pNFE in young healthy eyes, and to compare the axial length and optic disc tilt between pNFE and non-pNFE groups. METHODS: This was a prospective, observational, cross-sectional study of 117 right eyes...
August 1, 2016: Investigative Ophthalmology & Visual Science
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