Myra B McGuinness, Elise Moo, Beatrice Varga, Sarity Dodson, Van Charles Lansingh, Serge Resnikoff, Elena Schmidt, Thulasiraj Ravilla, Ganesh-Babu Balu Subburaman, Rohit C Khanna, Varsha M Rathi, Simon Arunga, Hans Limburg, Nathan Congdon
PURPOSE: Post-operative vision impairment is common among patients who have undergone cataract surgery in low-resource settings, impacting quality of clinical outcomes and patient experience. This prospective, multisite, single-armed, pragmatic validation study aimed to assess whether receiving tailored recommendations via the free Better Operative Outcomes Software Tool (BOOST) app improved surgical outcomes, as quantified by post-operative unaided distance visual acuity (UVA) measured 1-3 days after surgery...
April 18, 2024: Ophthalmic Epidemiology
Michael S Herron, Lingchen Wang, Christopher S von Bartheld
PURPOSE: Strabismus is more frequent in cerebral palsy (CP) than in the normal population, but reports differ how much it is increased. We here examined the global prevalence and types of strabismus in CP, whether esotropia or exotropia is more frequent, and whether the prevalence differs between ethnicities and/or country income levels, and between generations. METHODS: We compiled in a systematic review and meta-analysis the results of 147 CP studies that report the prevalence of strabismus or the ratio of esotropia to exotropia, and we conducted subgroup analyses for region (income level) and ethnicity...
April 18, 2024: Ophthalmic Epidemiology
Isdin Oke, Efren Gonzalez, Tobias Elze, Joan W Miller, Alice C Lorch, David G Hunter, Jennifer M Yeh, Lisa R Diller, Ann Chen Wu
PURPOSE: To identify sociodemographic factors associated with the visual outcomes of retinoblastoma survivors. METHODS: Retrospective cohort study using a US-based clinical data registry. All individuals < 18 years of age with a history of retinoblastoma in the Intelligent Research in Sight (IRIS®) Registry (1/1/2013-12/31/2020). The primary outcome was visual acuity below the threshold for legal blindness (20/200 or worse) in at least one eye...
April 5, 2024: Ophthalmic Epidemiology
Srinivas Marmamula, Ranindita Saha, Rohit C Khanna
PURPOSE: To report cataract surgical coverage (CSC) and effective Cataract Surgical Coverage (eCSC) from four districts in Telangana, India. METHODS: Individuals aged ≥40 years were recruited from Adilabad, Mahbubnagar, Warangal and Khammam districts using two stage cluster sampling methodology. All participants had detailed eye examinations including visual acuity assessment using a standard Snellen chart at a distance of six meters, anterior segment examination and fundus imaging by trained professionals...
April 3, 2024: Ophthalmic Epidemiology
Tracey W Tsang, Tiffany Allen, Angus Turner, Joshua Bowyer, James Fitzpatrick, Jane Latimer, June Oscar, Maureen Carter, Elizabeth J Elliott
PURPOSE: To describe ophthalmic findings in an Indigenous paediatric population and the associations between fetal alcohol spectrum disorder (FASD), prenatal alcohol exposure (PAE), and eye anomalies. METHODS: Medical records were reviewed for eye problems, and eye assessments were conducted by an orthoptist or ophthalmologist in the Lililwan Project cohort, which comprised 108 (81%) of all children born between 2002 and 2003, and residing in the remote Fitzroy Valley, Western Australia in 2010...
April 3, 2024: Ophthalmic Epidemiology
Germán Mejía-Salgado, Carlos Cifuentes-González, Laura Zarate-Pinzón, Luisa Fernanda Peña-Pulgar, William Rojas-Carabali, David Valdés-Arias, Danna Lesley Cruz, Alejandra de-la-Torre
PURPOSE: To estimate the prevalence and demographic characteristics of uncorrected refractive errors (URE) in people who attended eye care consultations in Colombia between 2015 and 2019, using the National Health Registry data. METHODS: We identified ICD codes for myopia (H-52.1), degenerative myopia (H-44.2), hyperopia (H-52.0), and astigmatism (H-52.2) from the Integrated Social Protection Information System. Crude prevalence rates by age and sex were calculated for the population attending eye care services during these years...
March 25, 2024: Ophthalmic Epidemiology
Karissa M Wang, Anne L Coleman, Deyu Pan, Fei Yu, Victoria L Tseng
PURPOSE: The prevalence of visual impairment is increasing, and there is a need to understand the functional implications. Using the American Community Survey (ACS) data, this study examined the relationship between visual impairment and functional difficulties in California. METHODS: Using the 2010-2014 and 2015-2019 ACS 5-year estimates from the U.S. Census, data were obtained for visual impairment and functional difficulties including hearing, cognitive, ambulatory, self-care, and independent living difficulties...
March 20, 2024: Ophthalmic Epidemiology
Mi Yeon Song, Yeji Kim, Kyungdo Han, Jae Hui Kim
PURPOSE: To evaluate the prevalence and risk factors of age-related macular degeneration (AMD) in the Korean population. METHODS: In this cross-sectional study based on the Korea National Health and Nutrition Examination Survey (2017-2020) data 13,737 participants aged ≥ 40 years with assessable fundus images were included. The prevalence and risk factors of AMD were evaluated. The prevalence of early AMD, geographic atrophy (GA), and neovascular AMD were also assessed...
March 20, 2024: Ophthalmic Epidemiology
Jung Hoo Lee, Seong Ho Kim, EunAh Kim
PURPOSE: To evaluate the effect of controlled medical conditions and risk of lifetime smoking history on the prevalence of branch retinal vein occlusion (BRVO) based on the Korea National Health and Nutrition Survey (KNHANES) database from 2017-2021. METHODS: The study population consisted of individuals aged ≥ 40 years who had completed ophthalmological questionnaires, underwent comprehensive ophthalmological examinations, and had at least one good-quality readable fundus photograph...
March 20, 2024: Ophthalmic Epidemiology
Anthea Burnett, Ngy Meng, Do Seiha, Neath Kong, Seila Chea, Malis Dean, Piseth Horm, Kim San Meas, Beatrice Varga, Suit May Ho, Myra McGuinness, Ling Lee
PURPOSE: Quality-of-care in refractive error services is essential, as it directly affects vision outcomes, wellbeing, educational attainment, and workforce participation. In Cambodia, uncorrected refractive error is a leading cause of mild and moderate vision impairment in adults. We evaluated the quality of refractive error care in Cambodia by estimating the proportion of prescribed and dispensed spectacles appropriate for people's refractive error needs and factors associated with spectacle quality...
March 20, 2024: Ophthalmic Epidemiology
Kwadwo Owusu Akuffo, Isaiah Osei Duah Junior, Eldrick Adu Acquah, Elna Abadua Mensah, Albert Kwadjo Amoah Andoh, David Ben Kumah, Bridget Senya Boateng, Josephine Ampomah Boateng, Kofi Osei-Poku, Werner Eisenbarth
PURPOSE: To characterize practice patterns of low vision services among Optometrists in Ghana. METHODS: The nationwide cross-sectional survey identified entities through the Ghana Optometrists Association (GOA) registry and utilized a semi-structured questionnaire to consolidate survey information that comprises practitioners' demographics, available services, diagnostic equipment, barriers to service provision and utilization, and interventions. RESULTS: 300 Optometrists were identified, with 213 surveyed (71% response rate)...
March 7, 2024: Ophthalmic Epidemiology
Bhakti Panchal, Samuel Asanad, Rana Malek, Kashif Munir, Lisa S Schocket
PURPOSE: To the best of our knowledge, implementation of artificial intelligence (AI)-based vision screening in community health fair settings has not been previously studied. This prospective cohort study explored the incorporation of AI in a community health fair setting to improve access to eyecare. METHODS: Vision screening was implemented during a community health fair event using an AI-based non-mydriatic fundus camera. In addition, a questionnaire was provided to survey the various barriers to eyecare and assess eye health literacy...
February 21, 2024: Ophthalmic Epidemiology
Gillian M Cochrane, Magdelene Mangot, Wendy Houinei, Melinda Susapu, Anasaini Cama, Richard Le Mesurier, Sara Webster, Tessa Hillgrove, Jaki Barton, Robert Butcher, Emma M Harding-Esch, David Mabey, Ana Bakhtiari, Andreas Müller, Aya Yajima, Anthony W Solomon, John Kaldor, Samuel Peter Koim, Robert Ko, Jambi Garap
PURPOSE: The prevalence of trachomatous inflammation-follicular (TF) in Papua New Guinea (PNG) suggests antibiotic mass drug administration (MDA) is needed to eliminate trachoma as a public health problem but the burden of trichiasis is low. As a result, WHO issued bespoke recommendations for the region. If ≥ 20% of 10-14-year-olds have both any conjunctival scarring (C1 or C2 or C3) and corneal pannus and/or Herbert's pits, MDA should be continued. Equally, if ≥ 5% of that group have both moderate/severe conjunctival scarring (C2 or C3) and corneal pannus and/or Herbert's pits, MDA should be continued...
February 8, 2024: Ophthalmic Epidemiology
D Ilako, S Mwatha, Barasa E Wanyama, M Gichangi, J Bore, R Butcher, A Bakhtiari, S Boyd, R Willis, A W Solomon, T Watitu, D Chelanga, P Nyakundi, E M Harding-Esch, S H Matendechero
PURPOSE: Trachoma is endemic in Kenya. Since baseline trachoma surveys in 2004, a concerted programme has been undertaken to reduce the prevalence of disease. Here, we report on trachoma prevalence surveys carried out between 2017 and 2020 after interventions were implemented in some areas for trachoma elimination purposes. METHODS: A total of 48 cross-sectional population-based trachoma prevalence surveys were conducted in 39 evaluation units (EUs; covering 45 subcounties) of Kenya between 2017 and 2020...
February 6, 2024: Ophthalmic Epidemiology
Ferdinamarie Sharmila, Mini P Singh, Jayanti Shastry, Anil C Phukan, Subashini Kaliaperumal, R K Ratho, Jagat Ram, MadhavJagannath Sathe, Avinash Ingole, DarshanaBabubhai Rathod, Benjamin Nongrum, Kannan Thiruvengadam, Rehnuma Parvez, Vineeta Malik, Muruganandam Nagarajan, Rahul Dhodapkar
PURPOSE: Conjunctivitis is one of the most common ocular conditions in clinical practice. Human adenoviruses have been the common causative agents known to cause epidemic kerato-conjunctivitis (EKC) in India from 1996 to 2019 with a positivity range of 13.8%-65.2%. The current study was initiated to throw light on the distribution of keratoconjunctivitis causing agents across India covering a span of 3 years. METHODS: A total of 709 swabs were collected from patients in viral transport medium (VTM), and real-time PCR was done to identify agents including Adenovirus (HAdV), Enterovirus, HSV, and Chlamydia...
February 5, 2024: Ophthalmic Epidemiology
Sarishka Desai, Sayuri Sekimitsu, Elizabeth J Rossin, Nazlee Zebardast
PURPOSE: To characterize trends in use of and expenditure for the intravitreal injection of anti-vascular endothelial growth factor (anti-VEGF) agents aflibercept, ranibizumab, and bevacizumab among the population enrolled in Original Medicare from 2014 to 2019. METHODS: The Centers for Medicare and Medicaid Services Physician and Other Supplier Public Use File was used to extract Medicare Part B fee-for-service outpatient injection claims data submitted by ophthalmologists...
February 5, 2024: Ophthalmic Epidemiology
Kunal Kanwar, Curtis E Margo, Dustin D French
PURPOSE: To investigate the association between visual impairment and employment status due to disability, utilizing data from the 2022 National Health Interview Survey (NHIS). METHODS: Adults 18 years of age and older were extracted from the 2022 NHIS dataset. A multivariable logistic regression model was created to evaluate the odds of unemployment ("laid off" and "looking for work"). Persons over the age of 65, as well as persons retired, going to school, self-employed, seasonal, or contract workers were excluded...
February 5, 2024: Ophthalmic Epidemiology
Yeji Kim, Mi Yeon Song, Kyungdo Han, Jae Hui Kim
PURPOSE: To evaluate the bilateral involvement of age-related macular degeneration (AMD) in South Koreans. METHODS: This was a cross-sectional study of the Korean National Health and Nutrition Examination Survey (2017-2020). This study included 13,737 participants aged 40 years or older. Participants were evaluated to determine the prevalence of bilateral early and late AMD. In cases in which exudative AMD or geographic atrophy (GA) was diagnosed in a single eye, the fellow eye was evaluated to determine the presence and type of late AMD...
January 24, 2024: Ophthalmic Epidemiology
Louay Almidani, Bonnielin K Swenor, Joshua R Ehrlich, Varshini Varadaraj
PURPOSE: To examine the associations between vision impairment (VI) and COVID-19 testing and vaccination services in older US adults. METHODS: This cross-sectional study assessed data from adults ≥ 65 years who participated in the National Health and Aging Trends Study (year 2021), a nationally representative sample of Medicare beneficiaries. Exposure: Distance VI (<20/40), near VI (<20/40), contrast sensitivity impairment (CSI) (<1...
January 24, 2024: Ophthalmic Epidemiology
Seongho Kim, Kyungdo Han, Sanghyun Park, EunAh Kim, Su Jeong Song
PURPOSE: This study aimed to investigate the incidence and prevalence of, and treatment patterns for ocular complications in Korean patients with Marfan syndrome. METHODS: Incidence and prevalence of Marfan syndrome was calculated from 2010 to 2018, based on data from the Korean National Health Insurance Service (KNHIS). Diagnosis codes (for cataract, ectopia lentis, retinal detachment, etc.) and surgery reimbursement codes (lensectomy, phacoemulsification, buckling, vitrectomy, etc...
April 2024: Ophthalmic Epidemiology
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