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Diabetic maculopathy

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https://read.qxmd.com/read/30707718/axial-length-and-its-associations-in-a-russian-population-the-ural-eye-and-medical-study
#1
Mukharram M Bikbov, Gyulli M Kazakbaeva, Timur R Gilmanshin, Rinat M Zainullin, Inga I Arslangareeva, Venera F Salavatova, Guzel M Bikbova, Songhomitra Panda-Jonas, Nikolai A Nikitin, Artur F Zaynetdinov, Ildar F Nuriev, Renat I Khikmatullin, Yulia V Uzianbaeva, Dilya F Yakupova, Said K Aminev, Jost B Jonas
PURPOSE: To assess the normal distribution of axial length and its associations in a population of Russia. METHODS: The population-based Ural Eye and Medical Study included 5,899 (80.5%) individuals out of 7328 eligible individuals aged 40+ years. The participants underwent an ocular and systemic examination. Axial length was measured sonographically (Ultra-compact A/B/P ultrasound system, Quantel Medical, Cournon d'Auvergne, France). RESULTS: Biometric data were available for 5707 (96...
2019: PloS One
https://read.qxmd.com/read/30693385/an-effective-detection-mechanism-for-localizing-macular-region-and-grading-maculopathy
#2
C R Dhivyaa, M Vijayakumar
The eye disease is prominent in many nations including India and is said to affect up to 80% patients having diabetes. Diabetic Retinopathy is the medical term for denoting the damages to retina caused due to diabetes mellitus. Implying K means Clustering algorithm for coarse segmentation, hard distils are identified with better accuracy than the classical approaches. The variance based methods for segmenting hard distils are reviewed in the surveys and had to be improved. To remove the background features from the picture and conserve computational costs, a mathematical morphological method is used to reconstruct the image features for better segmentation...
January 28, 2019: Journal of Medical Systems
https://read.qxmd.com/read/30677467/orthostatic-blood-pressure-variability-is-associated-with-lower-visual-contrast-sensitivity-function-findings-from-the-irish-longitudinal-study-on-aging
#3
Bláithín Ní Bhuachalla, Christine A McGarrigle, Neil O'Leary, Kwadwo Owusu Akuffo, Tunde Peto, Stephen Beatty, Rose Anne Kenny
BACKGROUND: Hypertension is established to cause vascular end-organ damage. Other forms of dysregulated blood pressure (BP) behaviour, such as orthostatic hypotension have also been associated with cardiovascular (CV) events. The eye is potentially vulnerable to dysregulated systemic BP if ocular circulation autoregulation is impaired. We investigated whether phenotypes of abnormal BP stabilisation after orthostasis, an autonomic stressor, had a relationship with contrast sensitivity (CS), an outcome measure of subtle psychophysical visual function...
January 21, 2019: Experimental Gerontology
https://read.qxmd.com/read/30677170/incidence-of-sight-threatening-diabetic-retinopathy-in-people-with-type-2-diabetes-mellitus-and-numbers-needed-to-screen-a-systematic-review
#4
Y Groeneveld, D Tavenier, J W Blom, B C P Polak
AIM: To investigate the incidence of sight-threatening diabetic retinopathy in Type 2 diabetes mellitus. BACKGROUND: In most countries, yearly or biennial screening intervals for diabetic retinopathy in people with Type 2 diabetes are recommended. Fewer screening sessions reduce the effort required of people with Type 2 diabetes and reduce healthcare costs. METHODS: We conducted a search of PubMed, Embase, Web of Science and the COCHRANE Library for studies published betweeen 1 January 2000 and 1 January 2017...
January 24, 2019: Diabetic Medicine: a Journal of the British Diabetic Association
https://read.qxmd.com/read/30662080/visual-impairment-amongst-adult-diabetics-attending-a-tertiary-outpatient-clinic
#5
Seth Y Lartey, Amos K Aikins
Background: To determine the prevalence of diabetic retinopathy maculopathy and cataract amongst diabetics and the prevalence of visual impairment amongst diabetics attending the Komfo Anokye Teaching Hospital eye unit. There are no current data in the study area on the prevalence of visual impairment and blindness amongst diabetics. This data is required in planning for screening and prevention of blindness due to diabetics. Methods: This was a hospital based cross sectional study...
June 2018: Ghana Medical Journal
https://read.qxmd.com/read/30567246/incomplete-scleral-penetration-of-dexamethasone-ozurdex-intravitreal-implant
#6
Thomas Sherman, Vasant Raman
Ozurdex (Allergan, Irvine, California, USA) is a biodegradable sustained release intravitreal implant containing 0.7 mg dexamethasone in a solid polymer drug delivery system. In the UK, it is approved for use in patients with macular oedema secondary to retinal vein occlusion, diabetic maculopathy and non-infectious uveitis. Although the implant is meant to be injected into the vitreous cavity, it can be inadvertently injected into the crystalline lens. This can also migrate into the anterior chamber, under altered anatomical conditions of the anterior segment...
December 13, 2018: BMJ Case Reports
https://read.qxmd.com/read/30554213/diagnostic-accuracy-of-digital-retinal-fundus-image-analysis-in-detecting-diabetic-maculopathy-in-type-2-diabetes-mellitus
#7
Rossella D'Aloisio, Rosa Giglio, Marta Di Nicola, Chiara De Giacinto, Marco Rocco Pastore, Daniele Tognetto, Tunde Peto
BACKGROUND: Digital retinal imaging is the gold standard technique for diabetic retinopathy (DR) and diabetic macular oedema (DME) assessment during DR screening. OBJECTIVES: To evaluate the diagnostic accuracy of digital retinal fundus image (DRFI) analysis in detecting DME using three manual grading systems (MGS) and comparing it with optical coherence tomography (OCT) findings. METHOD: A total of 287 DRFI of 287 eyes were analysed. Non-stereoscopic 45° images were acquired using a Kowa VX-20 camera and were graded according to three MGS: Early Treatment Diabetic Retinopathy Study (ETDRS), International Clinical Diabetic Retinopathy (ICDR), and United Kingdom National Screening Committee (UKNSC)...
December 14, 2018: Ophthalmic Research
https://read.qxmd.com/read/30541296/oct-findings-and-long-term-follow-up-results-of-vitrectomy-in-patients-with-optic-disc-pit-and-associated-maculopathy
#8
M Kováčová, M Meliška, B Kalvodová
PURPOSE: To evaluate OCT findings and long-term follow-up results in patient with optic disc pit (ODP) and associated maculopathy treated with pars plana vitrectomy (PPV). METHODS: Six eyes of 6 patients (3 females, 3 males) were included in a retrospective study. We excluded patients with ODP without maculopathy. Patients were followed in years 2008-2017. Mean age at the first examination was 40,3 years (15-70 years). Duration of worsening of the best corrected visual acuity (BCVA) ranged from 2 days to few years...
2018: Ceská a Slovenská Oftalmologie
https://read.qxmd.com/read/30504828/cost-effectiveness-of-digital-surveillance-clinics-with-optical-coherence-tomography-versus-hospital-eye-service-follow-up-for-patients-with-screen-positive-maculopathy
#9
Jose Leal, Ramon Luengo-Fernandez, Irene M Stratton, Angela Dale, Katerina Ivanova, Peter H Scanlon
BACKGROUND: Annually 2.7 million individuals are offered screening for diabetic retinopathy (DR) in England. Spectral-Domain Optical Coherence Tomography (SD-OCT) has the potential to relieve pressure on NHS services by correctly identifying patients who are screen positive for maculopathy on two-dimensional photography without evidence of clinically significant macular oedema (CSMO), limiting the number of referrals to hospitals. We aim to assess whether the addition of SDOCT imaging in digital surveillance clinics is a cost-effective intervention relative to hospital eye service (HES) follow-up...
November 30, 2018: Eye
https://read.qxmd.com/read/30466082/short-term-progression-of-diabetic-hard-exudates-monitored-with-high-resolution-camera
#10
REVIEW
Prisca Loganadane, Bernard Delbosc, Maher Saleh
PURPOSE: To assess the progression of diabetic hard exudates over an 8-week period, using a high-resolution adaptive optics camera. DESIGN: Prospective observational study. METHODS: Five eyes of three patients presenting diabetic maculopathy with hard exudates were studied. An area of clinically visible exudates was imaged sequentially using SD-OCT and high-resolution flood illumination adaptive optics for 2 months, on a weekly basis. A time-lapse video was obtained for each eye studied...
November 22, 2018: Ophthalmic Research
https://read.qxmd.com/read/30451175/current-management-of-diabetic-tractional-retinal-detachments
#11
REVIEW
Michael W Stewart, David J Browning, Maurice B Landers
Twenty-five percent of diabetes-related vision loss stems from complications of proliferative diabetic retinopathy (PDR). Panretinal photocoagulation has been the preferred treatment of high-risk PDR for decades and more recently intravitreal injections of drugs that inhibit the actions of vascular endothelial growth factor have become popular. But despite these treatments PDR may progress uncontrollably to advanced pathologies such as traction retinal detachments (TRDs), combined traction/rhegmatogenous retinal detachments (TRD/RRDs), vitreous hemorrhages, rubeosis iridis, and traction maculopathies, which produce mild-to-severe loss of vision...
December 2018: Indian Journal of Ophthalmology
https://read.qxmd.com/read/30382465/the-diagnostic-value-of-optical-coherence-tomography-angiography-in-diabetic-retinopathy-a-systematic-review
#12
REVIEW
David Gildea
PURPOSE: Diabetic retinopathy (DR) is one of the leading causes of blindness worldwide. Accurate investigative tools are essential for the early diagnosis and monitoring of the disease. Optical coherence tomography angiography (OCTA) is a recently developed technology that enables visualisation of the retinal microvasculature. METHODS: A systematic review of the literature was performed to examine the diagnostic use of OCTA in DR to date. Medline, EMBASE, and Cochrane databases were searched to find relevant studies...
October 31, 2018: International Ophthalmology
https://read.qxmd.com/read/30337331/retinal-oxygen-saturation-is-an-independent-risk-factor-for-the-severity-of-diabetic-retinopathy
#13
Toke Bek, Einar Stefánsson, Sveinn Hákon Hardarson
BACKGROUND: The oxygen saturation in larger retinal vessels has been shown to increase with increasing diabetic retinopathy (DR) grade and to help predict the effect of antivascular endothelial growth factor treatment in patients with diabetic maculopathy. However, it is unknown to what extent the increased oxygen saturation co-varies with other risk factors and whether it is an independent risk factor for the severity of DR. METHODS: Seven hundred and twenty-two successive patients referred for specialist evaluation of diabetic retinopathy including retinal oximetry were studied...
October 18, 2018: British Journal of Ophthalmology
https://read.qxmd.com/read/30308201/progression-of-diabetic-microaneurysms-according-to-the-internal-reflectivity-on-structural-optical-coherence-tomography-and-visibility-on-optical-coherence-tomography-angiography
#14
Mariacristina Parravano, Daniele De Geronimo, Fabio Scarinci, Gianni Virgili, Lea Querques, Monica Varano, Francesco Bandello, Giuseppe Querques
PURPOSE: To investigate the progression of diabetic microaneurysms (MAs) according to the spectral-domain optical coherence tomography (SD-OCT) and OCT angiography (OCTA) characteristics and to evaluate their influence on the retinal extracellular fluid accumulation at 1 year follow-up in patients with nonproliferative diabetic retinopathy (NPDR). DESIGN: Prospective, observational case series. METHODS: Fourteen patients with NPDR underwent SD-OCT and OCTA at the baseline and at 1 year follow-up...
February 2019: American Journal of Ophthalmology
https://read.qxmd.com/read/30284052/multilayered-deep-structure-tensor-delaunay-triangulation-and-morphing-based-automated-diagnosis-and-3d-presentation-of-human-macula
#15
Taimur Hassan, M Usman Akram, Mahmood Akhtar, Shoab Ahmad Khan, Ubaidullah Yasin
Maculopathy is the group of diseases that affects central vision of a person and they are often associated with diabetes. Many researchers reported automated diagnosis of maculopathy from optical coherence tomography (OCT) images. However, to the best of our knowledge there is no literature that presents a complete 3D suite for the extraction as well as diagnosis of macula. Therefore, this paper presents a multilayered convolutional neural networks (CNN) structure tensor Delaunay triangulation and morphing based fully autonomous system that extracts up to nine retinal and choroidal layers along with the macular fluids...
October 4, 2018: Journal of Medical Systems
https://read.qxmd.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://read.qxmd.com/read/30249823/cataract-surgery-in-diabetes-mellitus-a-systematic-review
#17
REVIEW
Aditya Kelkar, Jai Kelkar, Hetal Mehta, Winfried Amoaku
India is considered the diabetes capital of the world, and a significant proportion of patients undergoing cataract surgery are diabetic. Considering this, we reviewed the principles and guidelines of managing cataract in patients with diabetes. The preoperative, intraoperative, and postoperative factors are of paramount importance in the management of diabetic cataract patients. Particularly, the early recognition and treatment of diabetic retinopathy or maculopathy before cataract surgery influence the final visual outcome and play a major role in perioperative decision-making...
October 2018: Indian Journal of Ophthalmology
https://read.qxmd.com/read/30221214/suspended-scattering-particles-in-motion-a-novel-feature-of-oct-angiography-in-exudative-maculopathies
#18
Amir H Kashani, Kyle M Green, Julie Kwon, Zhongdi Chu, Qinqin Zhang, Ruikang K Wang, Sean Garrity, David Sarraf, Carl B Rebhun, Nadia K Waheed, Karen B Schaal, Marion R Munk, Sarra Gattoussi, K Bailey Freund, Fang Zheng, Guanghui Liu, Philip J Rosenfeld
Objective: To characterize features of extra-vascular optical coherence tomography angiography (OCTA) signals corresponding to hyperreflective intraretinal fluid across various exudative maculopathies. Design: Multicenter, retrospective, observational study. Participants: Eyes with various forms of exudative maculopathy including diabetic retinopathy (DR), retinal vein occlusion (RVO), and neovascular-age related macular degeneration (nvAMD)...
July 2018: Ophthalmology Retina
https://read.qxmd.com/read/30126649/paracentral-acute-middle-maculopathy-following-vitrectomy-for-proliferative-diabetic-retinopathy-incidence-risk-factors-and-clinical-characteristics
#19
Hiroshi Nakashima, Yasuaki Iwama, Kensuke Tanioka, Kazuyuki Emi
PURPOSE: To report the incidence of, risk factors for, and characteristics of paracentral acute middle maculopathy (PAMM) after 25-gauge pars plana vitrectomy for proliferative diabetic retinopathy (PDR). DESIGN: Retrospective, consecutive, interventional case series. PARTICIPANTS: Five hundred thirty eyes of 427 patients who underwent primary vitrectomy for PDR from 2013 through 2016. METHODS: The patients underwent measurement of best-corrected visual acuity (BCVA), fundus photography, and OCT before and within 2 weeks after vitrectomy...
August 17, 2018: Ophthalmology
https://read.qxmd.com/read/30121646/evaluation-of-vascular-changes-with-optical-coherence-tomography-angiography-after-plaque-radiotherapy-of-choroidal-melanoma
#20
Giovanni Cennamo, Maria Angelica Breve, Nunzio Velotti, Federica Sparnelli, Claudio Iovino, Antonio Farella, Raffaele Liuzzi, Giuseppe de Crecchio, Gilda Cennamo
AIM: The purpose of this paper was to evaluate whether optical coherence tomography angiography (OCT-A) can be used to quantify the vascular changes in radiation maculopathy, and changes in the tumor vasculature in eyes treated with plaque radiotherapy for choroidal melanoma. METHODS: In this prospective study, we evaluated 39 Caucasian patients with choroidal melanoma (39 eyes) treated with ruthenium-106 plaque radiotherapy. The patients underwent complete ophthalmic examination, bulbar echography, and OCT-A before and 1 year after treatment...
2018: Ophthalmic Research
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