نتایج جستجو برای: networks drusen fundus photography

تعداد نتایج: 453270  

2005
T R Carmichael G I Carp N D Welsh W J Kalk

Within the African context, shortages of medical personnel, funding and facilities make it imperative that these scarce resources are utilised optimally. Screening for diabetic retinopathy has been performed by several different kinds of health care personnel, including general practitioners and optometrists, and dilated mydriatic colour fundus photography is currently regarded as the most effe...

Journal: :Archives of ophthalmology 2004
Gerald A Fishman Mary Flynn Roberts Deborah J Derlacki Jonna L Grimsby Hiroyuki Yamamoto Dror Sharon Koji M Nishiguchi Thaddeus P Dryja

OBJECTIVE To evaluate the molecular genetic defects associated with retinitis punctata albescens (RPA) in 5 patients from 3 families with this disease. METHODS We examined 3 probands and 2 clinically affected relatives with RPA. Clinical examinations included best-corrected visual acuity, visual field testing, electroretinography, dilated fundus examination, and fundus photography. Leukocyte ...

Journal: :Saudi journal of ophthalmology : official journal of the Saudi Ophthalmological Society 2014
Vishali Gupta Hassan A Al-Dhibi J Fernando Arevalo

Ancillary investigations are the backbone of uveitis workup for posterior segment inflammations. They help in establishing the differential diagnosis and making certain diagnosis by ruling out certain pathologies and are a useful aid in monitoring response to therapy during follow-up. These investigations include fundus photography including ultra wide field angiography, fundus autofluorescence...

Journal: :Archives of ophthalmology 2003
Fridbert Jonasson Arsaell Arnarsson Hiroshi Sasaki Tunde Peto Kazuyuki Sasaki Alan C Bird

OBJECTIVE To examine the age- and sex-specific prevalence of age-related maculopathy (ARM) and age-related macular degeneration (AMD) in citizens of Reykjavik, Iceland, who were 50 years and older. DESIGN Random sample, cross sectional. MATERIALS AND METHODS Response rate was 75.8%. The presence and severity of various characteristics of drusen and pigmentary changes that are typical of ARM...

Journal: :Investigative ophthalmology & visual science 1997
E Midena C Degli Angeli M C Blarzino M Valenti T Segato

PURPOSE To study different aspects of macular function in eyes with early age-related macular degeneration (early AMD: drusen with or without retinal pigment epithelium alterations) and normal visual acuity, to obtain a complete evaluation of macular function impairment in early AMD and to study the relationship between macular function and the ophthalmoscopic signs of early AMD. METHODS Fort...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2017
Chad A Galloway Sonal Dalvi Sandy S C Hung Leslie A MacDonald Lisa R Latchney Raymond C B Wong Robyn H Guymer David A Mackey David S Williams Mina M Chung David M Gamm Alice Pébay Alex W Hewitt Ruchira Singh

Age-related macular degeneration (AMD) and related macular dystrophies (MDs) are a major cause of vision loss. However, the mechanisms underlying their progression remain ill-defined. This is partly due to the lack of disease models recapitulating the human pathology. Furthermore, in vivo studies have yielded limited understanding of the role of specific cell types in the eye vs. systemic influ...

Journal: :Investigative ophthalmology & visual science 1980
D D Donaldson R Prescott S Kennedy

The method of stereoscopic fundus photography, where both photographs are taken simultaneously, yields the most consistent and reproducible record of depths in the fundus. However, all systems devised to date have had undesirable photographic aberrations. For the most part, this has resulted because the optical axis of each image is not the same as that of the objective lens. A single-axis syst...

Journal: :Retinal cases & brief reports 2015
Voraporn Chaikitmongkol Neil M Bressler Susan B Bressler

PURPOSE To describe clinical and imaging findings in two eyes with new onset subtle neovascular age-related macular degeneration that was detected by the regular use of a home monitoring device based on preferential hyperacuity visual field testing. METHODS Interventional case report. RESULTS Case 1, an 82-year-old man with the intermediate stage of age-related macular degeneration in both ...

2007
Traci E. Clemons Gary Gensler Anne S. Lindblad Roy C. Milton

Methods: Demographic, lifestyle, and medical characteristics were ascertained on 4519 AREDS participants aged 60 to 80 years at enrollment. Stereoscopic color fundus photographs were used to categorize participants into 4 AMD severity groups and a control group (participants with 15 small drusen). Nutrient intake was estimated from a self-administered semiquantitative food frequency questionnai...

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