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19 articles for “Diabetic retinopathy”
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Research ArticleOpen accessIn the keywordsIDENTIFICATION OF EXUDATES USING FUZZY MATHEMATICAL MORPHOLOGYKittipol Wisaeng, Nualsawat Hiransakolwong, Ekkarat PothirukDiabetic Retinopathy is the damage to the retina caused by complication and the most common cause of blindness in Thailand. Retinal image is essential for expert ophthalmologists to diagnose diseases. Several of method can achieve good performance on retinal feature are clearly visible. Unfortunately, the color retinal image in Thailand are low-resolution images. The existing method cannot identified low-resolution image. … …Journal of Computer Science, Vol. 10, Issue 5 · 18 Jan 2014 · 6,559 accessesView PDFCite
Research ArticleOpen accessIn the keywordsRetinal Image Analysis for Abnormality Detection-An OverviewR. Karthikeyan, P. AlliProblem statement: Classification plays a major role in retinal image analysis for detecting the various abnormalities in retinal images. Classification refers to one of the mining concepts using supervised or unsupervised learning techniques. Approach: Diabetic retinopathy is one of the common complications of diabetes. Unfortunately, in many cases, the patient is not aware any symptoms until it is too late … …Journal of Computer Science, Vol. 8, Issue 3 · 24 Jan 2012 · 7,285 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSorbitol-Induced Diabetic-Like Retinal Lesions in Rats: Microscopic StudyGaber A. RamadanThe present study investigated the sorbitol toxicity on the retinas of normal albino rats and founded by the light microscope that intra-peritoneal injection of Sorbitol (10-mg/kg-body weight per day) for 24 weeks produced similar diabetic like retinal lesions in these rats. The retinopathic effects of sorbitol injection affect retinal microvessels, pigment epithelium, neural retina and glial cells. Cytoplasmic vacuolation of … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 2 · 30 Jun 2007 · 7,634 accessesView PDFCite
Research ArticleOpen accessIn the abstractOptic Disc Segmentation in Fundus Images with Deep Learning Object DetectorManal AlGhamdiThe Optic Disc (OD) is an important anatomical landmark in the fundus image to diagnose a myriad of diseases, such as glaucoma and Diabetic Retinopathy (DR) and to locate structures such as the macula and the main vascular arcade. However, locating and segmenting the OD are not easy tasks. Previous methods have employed a deep Convolutional Neural Network (CNN) without … …Journal of Computer Science, Vol. 16, Issue 5 · 14 May 2020 · 7,377 accessesView PDFCite
Research ArticleOpen accessIn the abstractTHE CLINICAL APPLICATIONS FOR AUTOMATIC DETECTION OF EXUDATESK. Wisaeng, N. Hiransakolwong, E. PothirukNowadays, the retinal imaging technology has been widely used for segmenting and detecting the exudates in diabetic retinopathy patients. Unfortunately, the retinal images in Thailand are poor-quality images. Therefore, detecting of exudates in a large number by screening programs, are very expensive in professional time and may cause human error. In this study, the clinical applications for detection of exudates … …American Journal of Applied Sciences, Vol. 11, Issue 10 · 27 Sep 2014 · 6,451 accessesView PDFCite
Research ArticleOpen accessIn the abstractIMPROVEMENT OF AUTOMATIC HEMORRHAGES DETECTION METHODS USING SHAPES RECOGNITIONNidhal Khdhair El Abbadi, Enas Hamood Al SaadiDiabetic Retinopathy is a medical condition where the retina is damaged because fluid leaks from blood vessels into the retina. The presence of hemorrhages in the retina is the earliest symptom of diabetic retinopathy. The number and shape of hemorrhages is used to indicate the severity of the disease. Early automated hemorrhage detection can help reduce the incidence of blindness. … …Journal of Computer Science, Vol. 9, Issue 9 · 6 Aug 2013 · 6,489 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Antiangiogenic Effect of the Leaves of Justicia gendarussa (Burm. f ) (Acanthaceae) by Chrio Allontoic Membrane MethodK. Periyanayagam, B. Umamaheswari, L. Suseela et al.Problem statement: Angiogenesis involves the formation of new blood vessels from pre-existing blood vessels plays a crucial role in pathological processes such as diabetic retinopathy, arthritis and in the growth of solid tumors. Numerous reports had pointed out to the crucial role of neovascularization in the malignancy of tumors and other angiogenesis dependant diseases. Antiangiogenic therapy which targets activated endothelial … …American Journal of Infectious Diseases, Vol. 5, Issue 3 · 30 Sep 2009 · 9,158 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of D- and L-Glucose and Mannitol on Retinal Capillary Cells: Inhibition by Nanomolar AminoguanidineYongxin Yu, Wei Li, Barbara Wojciechowski et al.Hyperglycemia may contribute directly to pericyte loss and capillary leakage in early diabetic retinopathy. To elucidate relative contributions of glycation, glycoxidation, sugar autoxidation, osmotic stress and metabolic effects in glucose-mediated capillary damage, we tested the effects of D-glucose, L-glucose, mannitol and the potentially protective effects of aminoguanidine on cultured bovine retinal capillary pericytes and endothelial cells. Media (containing 5 mM … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 4 · 31 Dec 2007 · 7,751 accessesView PDFCite
Research ArticleOpen accessIn the abstractAttenuated Superoxide Dismutase Induction in Retinal Cells in Response to Intermittent High Versus Continuous High GlucoseMichael A. Ihnat, Ronald C. Kaltreider, Jessica E. Thorpe et al.High glucose, particularly in oscillating conditions, produces an increase in oxidative stress and has been shown to result in an increase in diabetic complications, retinopathy in particular. The hypothesis of this work was that chronic exposure to intermittent high glucose results in an attenuated induction of an antioxidant response as compared to continuous high glucose exposure in isolated retinal cells … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 1 · 31 Mar 2007 · 7,458 accessesView PDFCite