Automatic Detection of Exudates and Microaneurysms from Non-Dilated Diabetic Retinopathy Retinal Images S.Sankaranarayanan, Dr.,M.Anto Bennet Department of Electronics and Communication Engineering, VELTECH Avadi-Chennai600062, Tamilnadu, India __________________________________________________________________________________________ Abstract: Exudates are one of the earliest and most prevalent...

The diabetic macula may be affected b-y the various elements of retinopathy-as observed in other locations in the retina-and the patterns here are similarly variable. The direct threat to the macular integrity starts with macular oedema which is reversible in the early stages, but invariably leads to failure of visual acuity in time. This oedema may be caused by the presence of diseased, fluore...

Even though drug-eluting stent (DES) implantation is an effective treatment for coronary artery stenosis, there are growing concerns related to the real usefulness of DESs due to their increased incidence of thrombosis, stent fracture, and late stent malapposition in comparison to bare metal stents. We have previously reported a case of stent fractures and multiple microaneurysms in both the le...

Diabetic retinopathy (DR) is one of the most common complications of diabetes and is a leading cause of blindness in people of the working age in Western countries. A major pathology of DR is microvascular complications such as non-perfused vessels, microaneurysms, dot/blot hemorrhages, cotton-wool spots, venous beading, vascular loops, vascular leakage and neovascularization. Multiple mechanis...

Diabetic Retinopathy (DR) is globally the primary cause of visual impairment and blindness in diabetic patients. Diabetic retinopathy occurs when the small blood vessels have a high level of glucose in the retina. That causes a change in the retina, which occur over a period of time in diabetics and cause the difficulties with vision. Regular screening is essential in order to detect the early ...

OBJECTIVE Non-thyroidal complication of high-dose radioiodine therapy for thyroid carcinoma might cause salivary and lacrimal gland dysfunction, which may be transient or permanent in a dose-dependent manner. However, radiation retinopathy complicating 131I therapy, has not been previously well characterized. The aim of this study was to evaluate the extent of retinal damage among patients who ...

PURPOSE Use adjudication to quantify errors in diabetic retinopathy (DR) grading based on individual graders and majority decision, and to train an improved automated algorithm for DR grading. DESIGN Retrospective analysis. PARTICIPANTS Retinal fundus images from DR screening programs. METHODS Images were each graded by the algorithm, U.S. board-certified ophthalmologists, and retinal spe...

Effects of aminoguanidine and aspirin on the development of retinopathy have been examined in 5-year studies of diabetic dogs. Either agent was administered daily in doses of 20-25 mg. kg(-1). day(-1). Because severity of hyperglycemia greatly influences development of the retinopathy, special effort was devoted to maintaining comparable glycemia in experimental and control groups. The retinal ...

BACKGROUND Obstructive sleep apnea (OSA) is a common condition affecting more men than women. The relationship of OSA with microvascular disease is unclear, complicated by possible sex difference. Assessment of the relationship of OSA with retinal microvascular signs in men and women may provide insights into such a relationship. METHODS AND RESULTS We examined the sex-specific cross-sectiona...