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Ophthalmic Epidemiology

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https://www.readbyqxmd.com/read/29580152/epidemiology-risk-factors-and-clinical-outcomes-in-severe-microbial-keratitis-in-south-india
#1
Jaya Devi Chidambaram, Namperumalsamy Venkatesh Prajna, Palepu Srikanthi, Shruti Lanjewar, Manisha Shah, Shanmugam Elakkiya, Prajna Lalitha, Matthew J Burton
PURPOSE: Here, we report risk factors associated with outcome in severe bacterial keratitis (BK), fungal keratitis (FK), and Acanthamoeba keratitis (AK) in India. METHODS: Prospective observational cohort study conducted in Aravind Eye Hospital, India. Adults presenting with severe microbial keratitis (MK) were enrolled (size ≥3 mm) and followed to 21 days post-enrolment. Ulcer clinical features were recorded at presentation. Outcomes by final visit were classified as good (completely healed or reduced infiltrate size) or poor (enlarged infiltrate size, perforated, or surgery performed)...
March 26, 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29580111/the-african-american-eye-disease-study-design-and-methods
#2
Roberta McKean-Cowdin, Alicia Fairbrother-Crisp, Mina Torres, Carlos Lastra, Farzana Choudhury, Xuejuan Jiang, Bruce Burkemper, Rohit Varma
PURPOSE: To describe the study design, operational and recruitment strategies, procedures, and baseline characteristics of the African American Eye Disease Study (AFEDS), a population-based assement of the prevalence of visual impairment, ocular disease, visual function, and health-related quality of life in African Americans. METHODS: This population-based, cross-sectional study included over 6000 African Americans 40 years and older residing in and around Inglewood, California...
March 26, 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29561207/prevalence-of-blindness-and-low-vision-in-iran-a-systematic-review-and-meta-analysis
#3
Mahdi Afshari, Mahmood Moosazadeh, Saeed Barzegari, Ehsan Abedini, Seyedeh Sakineh Salimi
PURPOSE: Visual impairment is responsible for medical, mental, and socio-economic problems. Several studies have investigated the prevalence of blindness and low vision in different parts of Iran. This study aims to estimate the pooled results of these studies to estimate the total prevalence of this problem in Iran. METHODS: National and international databases were searched using specific keywords. The selected primary studies were quality assessed using STROBE checklist...
March 21, 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29473762/trends-in-eye-injuries-and-associated-medical-costs-among-children-in-the-united-states-2002-2014
#4
Huabin Luo, Sundar Shrestha, Xinzhi Zhang, Jinan Saaddine, Xiaoming Zeng, Timothy Reeder
PURPOSE: To describe the trends in eye injuries and associated medical costs among children in the United States. METHODS: Data were from the 2002-2014 Medical Expenditure Panel Survey (MEPS). Eye injuries in children aged <18 years were identified by the International Classification of Diseases-9 (ICD-9) codes. The trends of cumulative incidence of eye injury, total costs, and average costs were estimated from 2002-2014 MEPS data. All costs were adjusted to 2014 US dollars...
February 23, 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29431547/feasibility-of-the-rapid-assessment-of-avoidable-blindness-with-diabetic-retinopathy-module-raab-dr-in-industrialised-countries-challenges-and-lessons-learned-in-hungary
#5
János Németh, Dorottya Szabó, Gábor Tóth, Gábor Sándor, Regina Lukács, Anita Pék, Irén Szalai, András Papp, Serge Resnikoff, Hans Limburg
PURPOSE: To present experiences gained during the planning, implementation, and practical performance of the rapid assessment of avoidable blindness with diabetic retinopathy module (RAAB+DR) in an established market economy. METHODS: A total of 3523 people aged 50 years or older were examined at their homes in 105 randomly selected clusters in Hungary. During the 4-month-long field work, five teams visited the clusters. Each team was composed of a senior ophthalmic resident or eye specialist, a nurse, an assistant, a driver, and a local guide...
February 12, 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29336690/advanced-glaucoma-at-presentation-is-associated-with-poor-follow-up-among-glaucoma-patients-attending-a-tertiary-eye-facility-in-southern-nigeria
#6
Rita Omoso Momoh, Catey Bunce, Gregrey Agbonvihele Oko-Oboh, Clare E Gilbert
PURPOSE: Globally, particularly in Africa, poor compliance with medication is a major problem in glaucoma management but little is known about follow-up rates among African glaucoma patients. The aim of this study was to determine rates of follow-up among glaucoma patients attending a tertiary hospital in southern Nigeria and investigate predictors of poor follow-up. METHODS: Data were extracted from medical records of new glaucoma patients who attended the hospital between June 2011 and May 2013...
June 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29333897/adherence-to-the-american-diabetes-association-retinal-screening-guidelines-for-population-with-diabetes-in-the-united-states
#7
JaeJin An, Fang Niu, Adam Turpcu, Yamina Rajput, T Craig Cheetham
PURPOSE: (1) To assess long-term adherence to American Diabetes Association guideline-recommended retinal screening among population with diabetes in the United States. (2) To determine factors associated with long-term adherence to routine eye screening exams. METHODS: A retrospective cohort study was conducted in adult patients with diabetes identified from January 2009 to December 2010. Patients were followed until disenrollment, death, or study end date (December 2013)...
June 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29281362/types-of-lamp-for-homework-and-myopia-among-chinese-school-aged-children
#8
Chen-Wei Pan, Rong-Kun Wu, Hu Liu, Jun Li, Hua Zhong
PURPOSE: We aim to determine the association of the types of lamp for homework including incandescent lamp, fluorescent lamp, and light-emitting diode (LED) lamp with the prevalence of myopia in Chinese children. METHODS: 2346 grade 7 students from ten middle schools (93.5% response rate) aged 13 to 14 years in Mojiang, a small county located in Southwestern China, participated in the study. Refractive error was measured with cycloplegia using an autorefractor by optometrists or trained technicians...
June 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29281342/a-population-based-survey-of-visual-impairment-and-its-correlates-in-mahabubnagar-district-telangana-state-india
#9
Islay Mactaggart, Sarah Polack, Gvs Murthy, Hannah Kuper
PURPOSE: To estimate the prevalence and correlates of visual impairment in Mahabubnagar district, Telangana, India. METHODS: Fifty-one clusters of 80 people (all ages) were sampled with probability proportionate to size. Households within clusters were selected through the compact segment sampling. Visual acuity (VA) was measured with a tumbling "E" chart. An Ophthalmic Assistant or Vision Technician examined people with VA<6/12 in either eye. Other impairments (hearing, physical) were clinically assessed and self-reported functional difficulties measured using the Washington Group Extended Set...
June 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29281316/retinal-microvascular-signs-and-incidence-of-abdominal-aortic-aneurysm-the-atherosclerosis-risk-in-communities-study
#10
Aaron R Folsom, Pamela L Lutsey, Ronald Klein, Barbara E Klein, Weihong Tang
PURPOSE: To test the hypothesis that retinal microvascular abnormalities known to predict other cardiovascular diseases are associated prospectively with risk of abdominal aortic aneurysm. The rationale is that aortic aneurysm involves small vessel pathology that parallels, to some degree, retinal vasculopathy. METHODS: In 1993-1995, the Atherosclerosis Risk in Communities (ARIC) Study, a prospective population-based cohort, took retinal photographs of a randomly selected eye of 10,911 ARIC participants (initial mean age 60 years)...
June 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29144188/corrigendum
#11
(no author information available yet)
No abstract text is available yet for this article.
February 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29035128/prospective-study-of-plasma-homocysteine-its-dietary-determinants-and-risk-of-age-related-macular-degeneration-in-men
#12
William G Christen, Nancy R Cook, Stephanie E Chiuve, Paul M Ridker, J Michael Gaziano
PURPOSE: Cross-sectional and case-control studies generally support a direct association between elevated plasma homocysteine and age-related macular degeneration (AMD), but data from prospective studies are limited. We examined the prospective relation of plasma homocysteine level, its dietary determinants, and risk of AMD in a large cohort of apparently healthy male physicians. METHODS: During a mean follow-up of 11.2 years, we identified 146 incident cases of visually significant AMD (responsible for a reduction of visual acuity to 20/30 or worse), and 146 controls matched for age, smoking status, and time of blood draw...
February 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28920761/can-ultra-wide-field-retinal-imaging-replace-colour-digital-stereoscopy-for-glaucoma-detection
#13
Nicola B Quinn, Augusto Azuara-Blanco, Katie Graham, Ruth E Hogg, Ian S Young, Frank Kee
PURPOSE: Ultra-wide field (UWF) retinal imaging (Optomap, Optos plc, Dunfermline, UK) is a novel technique to image the peripheral fundus. The goal of this study was to explore the potential use of UWF imaging to detect glaucoma, and specifically to evaluate the reproducibility of measures of vertical cup-to-disc ratio (VCDR) using ultra-wide field (UWF), and the agreement between UWF and standard colour digital stereoscopy (CDS). METHODS: An observational study...
February 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28910571/factors-that-influence-tear-meniscus-area-and-conjunctivochalasis-the-singapore-indian-eye-study
#14
Stanley Poh, Ryan Lee, Jennifer Gao, Carin Tan, Preeti Gupta, Charumathi Sabanayagam, Ching-Yu Cheng, Tien-Yin Wong, Louis Tong
PURPOSE: Assessment of tear film and conjunctiva is critical to define presence and severity of ocular surface disease. We aimed to characterize tear meniscus area (TMA) and conjunctivochalasis by anterior segment optical coherence tomography (ASOCT) in population-based patients and identify potential factors associated with low TMA and severe conjunctivochalasis. METHODS: Study subjects were enrolled from The Singapore Indian Eye Study, a population-based study of Asian Indian in Singapore...
February 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28895775/the-prevalence-of-corneal-opacity-in-rural-areas-in-iran-a-population-based-study
#15
Hassan Hashemi, Reza Pakzad, Abbasali Yekta, Mehdi Khabazkhoob
PURPOSE: To determine the prevalence of corneal opacity in rural areas in Iran: a population-based study Methods: This was a cross-sectional population-based study using multi-stage cluster sampling from rural-dwellers of villages in the north and southwest of Iran. All participants underwent vision testing including measurement of visual acuity and refraction followed by slit lamp examination by an ophthalmologist through which the presence of corneal opacity was determined. RESULTS: The participants were 3314 people (response rate = 86...
February 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28895765/prevalence-and-incidence-of-optic-neuritis-in-patients-with-different-types-of-uveitis
#16
Dianlin Guo, John Liu, Ran Gao, Samir Tari, Syed Islam
PURPOSE: This database study aims to investigate the incidence and prevalence of optic neuritis (ON) among patients with different types of uveitis. METHODS: A retrospective analysis of the Truven Health MarketScan® database from 2000 to 2014 was conducted. Patients with uveitis were followed until diagnosis of ON or until they were censored. Diagnosis of uveitis and demyelinating diseases of the central nervous system (DD) including ON were based on ICD-9 codes...
February 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28891730/evaluation-of-approaches-to-analyzing-continuous-correlated-eye-data-when-sample-size-is-small
#17
Jing Huang, Jiayan Huang, Yong Chen, Gui-Shuang Ying
PURPOSE: To evaluate the performance of commonly used statistical methods for analyzing continuous correlated eye data when sample size is small. METHODS: We simulated correlated continuous data from two designs: (1) two eyes of a subject in two comparison groups; (2) two eyes of a subject in the same comparison group, under various sample size (5-50), inter-eye correlation (0-0.75) and effect size (0-0.8). Simulated data were analyzed using paired t-test, two sample t-test, Wald test and score test using the generalized estimating equations (GEE) and F-test using linear mixed effects model (LMM)...
February 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28891727/methodology-of-the-zoc-bhvi-high-myopia-cohort-study-the-onset-and-progression-of-myopic-pathologies-and-associated-risk-factors-in-highly-myopic-chinese
#18
Yanxian Chen, Ou Xiao, Xinxing Guo, Decai Wang, Padmaja Sankaridurg, Ian Morgan, Mingguang He
PURPOSE: The increasing prevalence of high myopia and its associated pathologies has raised challenges to ophthalmic services. This project aims to explore the onset and progression of myopic pathologies in highly myopic eyes through a prospective research cohort established in South China. METHODS: Patients with high myopia (sphere ≤ -6.00 D) visiting the optometric clinic of Zhongshan Ophthalmic Center (ZOC) were invited to participate in the baseline examinations and follow-up visit over a 10-year period...
February 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28891725/age-related-change-in-corneal-biomechanical-parameters-in-a-healthy-caucasian-population
#19
Ali Riza Cenk Celebi, Ayse Ebru Kilavuzoglu, Ugur Emrah Altiparmak, C Banu Cosar Yurteri
PURPOSE: To determine the effect of aging on corneal biomechanical parameters measured via ocular response analyzer in a homogenous healthy Caucasian population. METHODS: A total of 2039 Caucasian adults were consecutively recruited and divided into seven groups according to decades of age. The difference in mean corneal hysteresis (CH), mean corneal resistance factor (CRF), mean Goldmann-correlated intraocular pressure (IOPg), and mean corneal-compensated IOP (IOPcc) between decades of age were investigated...
February 2018: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28891724/what-makes-systematic-reviews-systematic-and-why-are-they-the-highest-level-of-evidence
#20
Richard Wormald, Jennifer Evans
No abstract text is available yet for this article.
February 2018: Ophthalmic Epidemiology
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