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Ophthalmic Epidemiology

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https://www.readbyqxmd.com/read/28045563/multivariable-regression-model-of-the-euroqol-5-dimension-questionnaire-in-patients-seeking-outpatient-low-vision-rehabilitation
#1
Alexis G Malkin, Judith E Goldstein, Robert W Massof
PURPOSE: To understand the source of between-person variance in baseline health utilities estimated from EuroQol 5-dimension questionnaire (EQ-5D) responses of a representative sample of the US low vision outpatient population prior to rehabilitation. METHODS: A prospective, observational study of 779 new low vision patients at 28 clinic centers in the US. The EQ-5D, Activity Inventory (AI), Telephone Interview for Cognitive Status (TICS), Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36) physical functioning component, and Geriatric Depression Scale (GDS) were administered by telephone interview prior to rehabilitation...
January 3, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28032805/nerve-fiber-layer-thickness-and-characteristics-associated-with-glaucoma-in-community-living-older-adults-prelude-to-a-screening-trial
#2
Barbara E K Klein, Chris A Johnson, Stacy M Meuer, Kyungmoo Lee, Andreas Wahle, Kristine E Lee, Amruta Kulkarni, Milan Sonka, Michael D Abràmoff, Ronald Klein
PURPOSE: To examine the associations of nerve fiber layer (NFL) thickness with other ocular characteristics in older adults. METHODS: Participants in the Beaver Dam Eye Study (2008-2010) underwent spectral domain optical coherence tomography (SD-OCT) scans of the optic nerve head, imaging of optic discs, frequency doubling technology (FDT) perimetry, measurement of intraocular pressure (IOP), and an interview concerning their history of glaucoma and use of drops to lower eye pressure...
December 29, 2016: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28032802/risk-factors-for-developing-myopia-among-schoolchildren-in-yerevan-and-gegharkunik-province-armenia
#3
Aida Giloyan, Tsovinar Harutyunyan, Varduhi Petrosyan
PURPOSE: Myopia is a complex condition leading to visual impairment and blindness. This study assessed the prevalence of and risk factors for myopia among schoolchildren in urban and rural areas of Armenia. METHODS: A cross-sectional interviewer-administered survey together with eye screenings was conducted among schoolchildren in the capital Yerevan and in Gegharkunik Province. The study used multi-stage random sampling to obtain the sample of 1260 schoolchildren...
December 29, 2016: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27960579/genus-distribution-of-bacteria-and-fungi-associated-with-keratitis-in-a-large-eye-center-located-in-southern-china
#4
Lixia Lin, Weizhong Lan, Bingsheng Lou, Hongmin Ke, Yuanzhe Yang, Xiaofeng Lin, Lingyi Liang
PURPOSE: To investigate the genus distribution of bacteria and fungi associated with keratitis in a large eye center located in Southern China and to compare the results with existing data from other areas in China. METHODS: All results of corneal microbiological examinations from 2009 to 2013 of patients who had been clinically diagnosed with bacterial or fungal keratitis were obtained chronologically and anonymously from the microbiology database at Zhongshan Ophthalmic Center...
December 14, 2016: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27824506/prevalence-of-trachoma-in-schoolchildren-in-brazil
#5
Expedito José de Albuquerque Luna, Maria de Fátima Costa Lopes, Norma Helen Medina, Joana Favacho, Maria Regina Alves Cardoso
PURPOSE: Trachoma was hyperendemic in Brazil until the 20th century. The prevalence has declined sharply in the past decades. The aim of this study was to estimate trachoma prevalence in schoolchildren in Brazilian municipalities with a Human Development Index (HDI) below the national mean. METHODS: A cluster random sampling survey on trachoma prevalence was carried out. Brazilian municipalities with HDI below the national mean, within each of the 27 states, were stratified into three strata according to population size...
November 8, 2016: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27820657/prevalence-of-and-risk-factors-for-trachoma-in-oromia-regional-state-of-ethiopia-results-of-79-population-based-prevalence-surveys-conducted-with-the-global-trachoma-mapping-project
#6
Berhanu Bero, Colin Macleod, Wondu Alemayehu, Solomon Gadisa, Ahmed Abajobir, Yilikal Adamu, Menbere Alemu, Liknaw Adamu, Michael Dejene, Addis Mekasha, Zelalem Habtamu Jemal, Damtew Yadeta, Oumer Shafi, Genet Kiflu, Rebecca Willis, Rebecca M Flueckiger, Brian K Chu, Alexandre L Pavluck, Anthony W Solomon
PURPOSE: To complete the baseline trachoma map in Oromia, Ethiopia, by determining prevalences of trichiasis and trachomatous inflammation - follicular (TF) at evaluation unit (EU) level, covering all districts (woredas) without current prevalence data or active control programs, and to identify factors associated with disease. METHODS: Using standardized methodologies and training developed for the Global Trachoma Mapping Project, we conducted cross-sectional community-based surveys from December 2012 to July 2014...
November 7, 2016: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28085561/focal-issue-on-gender-and-eye-care
#7
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28085560/validating-translations-of-rating-scale-questionnaires-using-rasch-analysis
#8
Chris Bradley, Robert W Massof
No abstract text is available yet for this article.
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28032809/rationale-and-methodology-for-a-community-based-study-of-diabetic-retinopathy-in-an-indonesian-population-with-type-2-diabetes-mellitus-the-jogjakarta-eye-diabetic-study-in-the-community
#9
Muhammad B Sasongko, Angela N Agni, Firman S Wardhana, Satya P Kotha, Prateek Gupta, Tri W Widayanti, Supanji, Felicia Widyaputri, Rifa Widyaningrum, Tien Y Wong, Ryo Kawasaki, Jie Jin Wang, Suhardjo Pawiroranu
PURPOSE: There are no available data about diabetic retinopathy (DR) in the Indonesian population. This report summarizes the rationale and study design of the Jogjakarta Eye Diabetic Study in the Community (JOGED.COM), a community-based study to estimate the prevalence and risk factors of DR in persons with type 2 diabetes in Jogjakarta, Indonesia. METHODS: The JOGED.COM aimed to examine a cross-sectional sample of 1200 persons with type 2 diabetes aged 30 years and older residing in the study area...
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28001456/measurement-properties-of-the-persian-translated-version-of-graves-orbitopathy-quality-of-life-questionnaire-a-validation-study
#10
Mohsen Bahmani Kashkouli, Nasser Karimi, Mohamadreza Aghamirsalim, Mohammad Bagher Abtahi, Marzieh Nojomi, Hadi Shahrad-Bejestani, Masoud Salehi
PURPOSE: To determine the measurement properties of the Persian language version of the Graves orbitopathy quality of life questionnaire (GO-QOL). METHODS: Following a systematic translation and cultural adaptation process, 141 consecutive unselected thyroid eye disease (TED) patients answered the Persian GO-QOL and underwent complete ophthalmic examination. The questionnaire was again completed by 60 patients on the second visit, 2-4 weeks later. Construct validity (cross-cultural validity, structural validity and hypotheses testing), reliability (internal consistency and test-retest reliability), and floor and ceiling effects of the Persian version of the GO-QOL were evaluated...
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27996334/postnatal-growth-and-retinopathy-of-prematurity-study-rationale-design-and-subject-characteristics
#11
Gil Binenbaum, Lauren A Tomlinson
PURPOSE: Postnatal-growth-based predictive models demonstrate strong potential for improving the low specificity of retinopathy of prematurity (ROP) screening. Prior studies are limited by inadequate sample size. We sought to study a sufficiently large cohort of at-risk infants to enable development of a model with highly precise estimates of sensitivity for severe ROP. METHODS: The Postnatal Growth and ROP (G-ROP) Study was a multicenter retrospective cohort study of infants at 30 North American hospitals during 2006-2012...
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27982726/a-bayesian-analysis-of-a-randomized-clinical-trial-comparing-antimetabolite-therapies-for-non-infectious-uveitis
#12
Erica N Browne, Sivakumar R Rathinam, Anuradha Kanakath, Radhika Thundikandy, Manohar Babu, Thomas M Lietman, Nisha R Acharya
PURPOSE: To conduct a Bayesian analysis of a randomized clinical trial (RCT) for non-infectious uveitis using expert opinion as a subjective prior belief. METHODS: A RCT was conducted to determine which antimetabolite, methotrexate or mycophenolate mofetil, is more effective as an initial corticosteroid-sparing agent for the treatment of intermediate, posterior, and pan-uveitis. Before the release of trial results, expert opinion on the relative effectiveness of these two medications was collected via online survey...
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27960638/agreement-in-measurement-of-optic-cup-to-disc-ratio-with-stereo-biomicroscope-funduscopy-and-digital-image-analysis-results-from-the-nigeria-national-blindness-and-visual-impairment-survey
#13
Fatima Kyari, Clare Gilbert
PURPOSE: To determine agreement in estimations of vertical cup-to-disc ratio (VCDR) between clinical stereo-biomicroscopic funduscopy and digital fundus image analysis. METHODS: Systematic sampling of 1-in-7 from a sample of 13,591 participants aged ≥40 years gave a subsample who were examined in detail. VCDR was estimated clinically by 60 diopter aspheric lens biomicroscopic funduscopy (c-VCDR) and by digital fundus images (i-VCDR) graded at the Moorfields Eye Hospital Reading Centre...
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27960616/five-year-incidence-of-visual-impairment-in-middle-aged-iranians-the-shahroud-eye-cohort-study
#14
Hassan Hashemi, Shiva Mehravaran, Mohammad Hassan Emamian, Akbar Fotouhi
PURPOSE: To study the 5-year incidence of visual impairment and its causes and risk factors, in the middle-aged Iranian sample of the Shahroud Eye Cohort Study (ShECS). METHODS: Data from subjects who had participated in both phases of the ShECS were used to determine age- and sex-specific incidence rates of visual impairment using the World Health Organization (WHO) definitions for bilateral low vision (visual acuity, VA, >0.5 and ≤1.3 LogMAR in the better eye) and blindness (VA worse than 1...
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27960583/effect-of-aging-on-retinal-nerve-fiber-layer-thickness-in-normal-asian-indian-eyes-a-longitudinal-study
#15
Tarannum Mansoori, Nagalla Balakrishna
PURPOSE: To determine longitudinal retinal nerve fiber layer (RNFL) thickness measurement change with aging, after a period of 3 years using spectral optical coherence tomography/scanning laser ophthalmoscope (OCT/SLO). METHODS: A total of 50 eyes of 25 normal subjects underwent RNFL thickness measurement in 2008 and again in 2011 by a single operator, using spectral OCT/SLO. Measurements were compared at baseline and at follow-up. Linear mixed model analysis was used to measure the effect of age on RNFL thickness measurements over the 3 years...
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27960581/distribution-of-ocular-component-measures-and-refraction-in-brazilian-school-children
#16
Rodrigo Pessoa Cavalcanti Lira, Carlos Eduardo Leite Arieta, Thaís Helena Moreira Passos, Diana Maziero, Gustavo Lima do Valle Astur, Ítalo Fernandes do Espírito Santo, Ana Cláudia Bertolani, Luis Fernando Pozzi, Rosane Silvestre de Castro, Álvaro Antônio Bandeira Ferraz
PURPOSE: To describe ocular component values and refraction in 6-17-year-old school children in Campinas, Brazil. METHODS: To obtain a representative sample, a total of 1100 6-17-year-old public school students in Campinas, Brazil, were randomly selected and divided into groups according to median ages 6 years (range 5-7 years), 10 years (range 9-11 years), 14 years (range 13-15 years), and 17 years (range 16-18 years). Cycloplegic autorefraction and ocular biometry were performed on each child...
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27960580/prevalence-and-causes-of-visual-impairment-and-blindness-among-cocoa-farmers-in-ghana
#17
Samuel Bert Boadi-Kusi, Rekha Hansraj, Khathutshelo Percy Mashige, Alfred Osafo-Kwaako, Alex Azuka Ilechie, Samuel Abokyi
PURPOSE: To determine the prevalence and causes of visual impairment and blindness among cocoa farmers in Ghana in order to formulate early intervention strategies. METHODS: A cross-sectional study using multistage random sampling from four cocoa growing districts in Ghana was conducted from November 2013 to April 2014. A total of 512 cocoa farmers aged 40 years and older were interviewed and examined. The brief interview questionnaire was administered to elicit information on the demographics and socioeconomic details of participants...
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27841724/editorial-board-eov
#18
(no author information available yet)
No abstract text is available yet for this article.
December 2016: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27841723/focal-issue-on-gender-and-eye-care
#19
(no author information available yet)
No abstract text is available yet for this article.
December 2016: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27841722/elimination-of-trachoma-knowing-where-to-intervene
#20
Danny Haddad, Ben Nwobi, Elena Schmidt, Paul Courtright
No abstract text is available yet for this article.
December 2016: Ophthalmic Epidemiology
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