نتایج جستجو برای: retinopathy
تعداد نتایج: 19641 فیلتر نتایج به سال:
Background: One common symptom of diabetes is diabetic retinopathy, if not timely diagnosed and treated, leads to blindness. Retinal image analysis has been currently adopted to diagnose retinopathy. In this study, a model of hierarchical self-organized neural networks has been presented for the detection and classification of retina in diabetic patients. Methods: This study is a retrospective...
Objective: To assess the relationship between capillary perfusion of retinal vessels and severity diabetic retinopathy with help Optical Coherence Tomography angiography.
 Study Design: Cross-sectional study.
 Place Duration Study: Armed Forces Institute Ophthalmology, Rawalpindi Pakistan, from Feb 2020 to Apr 2021.
 Methodology: Seventy-three eyes 37 subjects suffering diabetes ...
A morphological study of the thickness choroid in patients with diabetes using spectral- domain optical coherence tomography was carried out order to analyze changes choroidal vessels and their role mechanism diabetic retinopathy, which on eyes 203 participants 48 we are healthy people. The area foveal lesion measured enhanced imaging. Participants were grouped according degree retinopathy: no ...
Epidemiologic and clinical studies have shown that diabetic retinopathy is a common chronic ocular disorder that developed in most type 2 diabetes. From the viewpoint of preventive medicine, the most crucial topic for preventing diabetic retinopathy is how to achieve early detection and appropriate treatment by using effective screening tools. To understand the morbidity of diabetic retinopathy...
background: to extract utility values of diabetic retinopathy on a perfect health and perfect vision scales for iranians with both types diabetes. methods: in this investigation, 150 untreated patients with diabetic retinopathy consecutively were examined and interviewed in farabi eye hospital, tehran, iran, a tertiary referral center in the iranian health care system. utility values based on p...
OBJECTIVE To examine incidence and progression of retinopathy using retinal photographs in Pima Indians and to compare the results with those obtained when retinopathy is assessed by direct ophthalmoscopy. RESEARCH DESIGN AND METHODS We undertook an analysis of examinations conducted between 1 April 1982 and 31 December 1990 in residents of the Gila River Community in central Arizona. Data we...
Objectives. We investigated the relationship between the stage of diabetic retinopathy and pulse wave velocity (PWV). Methods. This was a cross-sectional study of 689 patients (406 men and 283 women) with type 2 diabetes who were admitted to our hospital from 2004 to 2007. Brachial-ankle pulse wave velocity (baPWV) was measured by an arterial pressure measurement device as PWV/ABI. Diagnosis of...
BACKGROUND Lupus retinopathy is one of the most common vision-threatening complications of systemic lupus erythematosus. The presence of lupus retinopathy is an accurate guide to the presence of active systemic disease activity. RESULTS A prospective study was conducted looking at 91 established cases of systemic lupus erythematosus to evaluate lupus retinopathy. The patients were divided int...
Aim: To elucidate clinical features in patients with type 2 diabetes with advanced retinopathy but without nephropathy. Methods: This study examined 1324 patients (784 males and 540 females) with type 2 diabetes mellitus. Diabetic retinopathy was graded according to the International Clinical Classification of Diabetic Retinopathy as no diabetic retinopathy, mild or moderate non-proliferative d...
OBJECTIVE To estimate the incidence of diabetic retinopathy in relation to retinopathy grade at first examination and other prognostic characteristics. RESEARCH DESIGN AND METHODS This was a dynamic cohort study of 20,686 people with type 2 diabetes who had annual retinal photography up to 14 times between 1990 and 2006. Cumulative and annual incidence rates were estimated using life tables, ...
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