نتایج جستجو برای: presenting visual acuity

تعداد نتایج: 487484  

Journal: :Arquivos brasileiros de oftalmologia 2008
Otacílio de Oliveira Maia Walter Yukihiko Takahashi Yoshitaka Nakashima

PURPOSE To compare the visual acuity and macular thickness in patients with diabetic retinopathy presenting and not presenting macular edema before treatment and submitted to argon laser retinal panphotocoagulation. METHODS Patients were included and classified into two groups before the treatment. All patients were submitted to ophthalmological examination and optical coherence tomography, f...

Journal: :journal of research in medical sciences 0
mohammad ali javadi mahsan assadi bahram einollahi hossein mohammad rabei mehrdad afarid majid assadi

background: ramadan fasting may alter a variety of physiological parameters which by themselves influence ocular system. here, we review the effects of ramadan fasting on the health and function of the eye. materials and methods: literature records in  pubmed/medline, web of science, embase, google scholar, and iran medex databases as well as proceedings of related meetings  from january 1986 t...

Journal: :Investigative ophthalmology & visual science 1999
J J Wang P Mitchell W Smith R G Cumming K Attebo

PURPOSE To estimate the impact of visual impairment in older Australians on the use of community support services. METHODS In the Blue Mountains Eye Study, 3654 people aged 49 or older were examined- 82.4% of eligible residents in an area west of Sydney, Australia. Presenting and best-corrected visual acuities were measured using a LogMAR chart. Subjects were categorized as having visual impa...

2017
Seth R Flaxman Rupert R A Bourne Serge Resnikoff Peter Ackland Tasanee Braithwaite Maria V Cicinelli Aditi Das Jost B Jonas Jill Keeffe John H Kempen Janet Leasher Hans Limburg Kovin Naidoo Konrad Pesudovs Alex Silvester Gretchen A Stevens Nina Tahhan Tien Y Wong Hugh R Taylor

Methods In this systematic review and meta-analysis, we analysed published and unpublished population-based data for the causes of vision impairment and blindness from 1980 to 2014. We identified population-based studies published before July 8, 2014, by searching online databases with no language restrictions (MEDLINE from Jan 1, 1946, and Embase from Jan 1, 1974, and the WHO Library Database)...

ژورنال: مجله علمی پژوهان 2022
Barati , A.H, Ghanbari, L, Minoonejad, H, Naderifar , H,

Aims: Deep sense plays a significant role in sensory control feedback, joint stability, coordination and balance. Despite the important role of vision and Proprioceptive Neuromuscular Facilitation on functional skills in athletes, a few studies have been conducted in this regard. This study aimed at investigating the effects of Proprioceptive Neuromuscular Facilitation exercises on dynamic visu...

Journal: :Investigative ophthalmology & visual science 2011
Emorfily Potsidis Eliot L Berson Michael A Sandberg

PURPOSE To evaluate the change in ocular function by eye in patients with unilateral pigmentary retinopathy. METHODS Longitudinal regression was used to estimate mean exponential rates of change in Goldmann visual field area (V4e white test light) and in full-field electroretinogram (ERG) amplitudes to 0.5- and 30-Hz white flashes in 15 patients with unilateral pigmentary retinopathy. Snellen...

ژورنال: بینا 2019
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Purpose: To analyze the correlation of optical coherence tomography angiography (OCTA) findings with visual acuity (VA) in patients with branch retinal vein occlusion (BRVO). Methods: This cross-sectional study was performed on 20 eyes of 20 patients with unilateral BRVO involving the macula referred to the ophthalmology clinic of Rassoul Akram Hospital. OCTA imaging was conducted for all patie...

Journal: :The British journal of ophthalmology 2004
A Fotouhi H Hashemi K Mohammad K H Jalali

AIMS To determine the prevalence and causes of visual impairment in Tehran, Iran, through a population based study. METHODS In a population based, cross sectional study, 6497 Tehran citizens were sampled from 160 clusters using a stratified, random, cluster sampling strategy. The eligible people were enumerated through a door to door household survey in the selected clusters and were invited....

Journal: :Investigative ophthalmology & visual science 2002
Beatriz Muñoz Sheila K West Jorge Rodriguez Rosario Sanchez Aimee T Broman Robert Snyder Ronald Klein

PURPOSE To report the prevalence of blindness and visual impairment and the contribution of uncorrected refractive error to visual loss, in a population-based sample of Mexican Americans aged 40 and older. METHODS Proyecto VER is a population-based study of blindness and visual impairment in Mexican Americans in Arizona. Block groups in Tucson and Nogales were randomly selected with probabili...

Journal: :Investigative ophthalmology & visual science 2006
Mohammad Z Jadoon Brendan Dineen Rupert R A Bourne Shaheen P Shah Mohammad A Khan Gordon J Johnson Clare E Gilbert Mohammad D Khan

PURPOSE To determine the prevalence of blindness and visual impairment in adults aged 30 years and older in Pakistan and to assess socio-demographic risk factors. METHODS Multistage, stratified (rural/urban), cluster random sampling, with probability proportional-to-size procedures, was used to select a nationally representative, cross-sectional sample of adults 30 years of age or older. Each...

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