نتایج جستجو برای: threshold retinopathy

تعداد نتایج: 141447  

Journal: :The British journal of ophthalmology 2003
R Khandekar J Al Lawatii A J Mohammed A Al Raisi

The magnitude of diabetic retinopathy, its determinants, and coverage of laser treatment for diabetic retinopathy among registered people with diabetes in Oman are presented. 2249 randomly selected subjects representing 5564 registered diabetics were examined. WHO recommended definitions of diabetes, retinopathy, and other related conditions were used. Physicians reported the profile of the dia...

Journal: :Journal of cardiovascular and thoracic research 2012
Ebadollah Heidari Sanaz Nematzadeh Pakdel Jahanbakhsh Samadikhah Rasoul Azarfarin Kamran Shadvar

INTRODUCTION Diabetes mellitus (DM) is associated with serious complications including macro- and microvascular problems such as diabetic retinopathy. Coronary involvement in diabetic patients is believed to be a consequence of microvascular complications. However, the available data are inconclusive and scarce. This study aimed to evaluate the probable association between diabetic retinopathy ...

Journal: :The Medical journal of Malaysia 2006
I Tajunisah H Nabilah S C Reddy

Two hundred and seventeen diabetic patients attending the eye clinic were examined to determine the prevalence of retinal changes, and the association between diabetic retinopathy and risk factors. A detailed fundus examination was done, after dilating the pupils, using 90 D lens and slitlamp biomicroscope. Diabetic retinopathy was detected in 112 patients (51.6%). Background retinopathy was se...

2013
Nur Laili

Diabetic retinopathy (DR) is an eye disease caused by disease, diabetes. Diabetic retinopathy (DR) is a microvascular complication that occurs in people with diabetes that causes abnormalities in the retina and can both cause blindness. This study was conducted to build an application that can automatically classify Diabetic Retinopathy in accordance with level, ie normal, non-proliferate diabe...

Journal: :Annals of the Academy of Medicine, Singapore 2008
Marcus C C Lim Shu Yen Lee Bobby C L Cheng Doric W K Wong Sze Guan Ong Chong Lye Ang Ian Y S Yeo

INTRODUCTION The aim of the study was to describe the prevalence and risk factors for diabetic retinopathy in a multi-ethnic diabetic patient cohort referred for retinal evaluation from a nationwide diabetic retinopathy screening programme in Singapore. MATERIALS AND METHODS Seven hundred and forty-two patients, aged 21 to 95, referred for suspected diabetic retinopathy on annual one-field no...

2015
Eduardo Büchele Rodrigues Müller Gonçalves Urias Fernando Marcondes Penha Emmerson Badaró Eduardo Novais Rodrigo Meirelles Michel Eid Farah

PURPOSE To investigate retinal changes prior to vascular signs in patients with type 2 diabetes without diabetic retinopathy or with mild non proliferative diabetic retinopathy. METHODS A cross-sectional study was performed in three groups: patients without diabetes, patients with type 2 diabetes without diabetic retinopathy, and patients with diabetes with mild diabetic retinopathy. Analysis...

Journal: :BMJ 1992
V Patel S Rassam R Newsom J Wiek E Kohner

OBJECTIVES (a) To report on the basic parameters of retinal blood flow in a population of diabetic patients with and without retinopathy and non-diabetic controls; (b) to formulate a haemodynamic model for the pathogenesis of diabetic retinopathy from this and other studies. DESIGN Laser-Doppler velocimetry and computerised image analysis to determine retinal blood flow in a large cross secti...

Journal: :International Journal of Advances in Intelligent Informatics 2022

Diabetic Retinopathy is a effect of diabetes. It results abnormalities in the retinal blood vessels. The can cause blurry vision and blindness. Automatic vessels segmentation on image detect these vessels, actually resulting faster more accurate results. paper proposed an automatic vessel method that combined Otsu Thresholding with enhancement techniques. In enhancement, it CLAHE Top-hat transf...

Journal: :Heliyon 2023

One of the major causes blindness in human beings is diabetic retinopathy (DR). To prevent blindness, early detection DR therefore necessary. In this paper, a hybrid model proposed for diagnosing from fundus images. A combination morphological image processing and Inception v3 deep learning techniques are exploited to detect as well classify healthy, mild non-proliferative (NPDR), moderate NPDR...

2016
B. Silpa

This study aims to evaluate the risk indicators of diabetic retinopathy in patients with type 2 diabetes screened by fundus photographs at a tertiary care diabetes centre in Tenali, AP, INDIA. A cross-sectional study was conducted at the outpatient department of MAMATHA HOSPITAL, TENALI, from October 2015 to March 2016. Patients >30 years of age were recruited randomly. Demographic, anthropomet...

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