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Devanathan N, Scheive M, Nawash BS, Selvam A, Murphy A, Morrow M, Anant S, Chen N, Martin EA, Kruger JS, Yung CWR, Johnson TV. Capabilities and Limitations of Student-Led Free Vision Screening Programs in the United States. Transl Vis Sci Technol 2024; 13:9. [PMID: 38224327 PMCID: PMC10793386 DOI: 10.1167/tvst.13.1.9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 12/19/2023] [Indexed: 01/16/2024] Open
Abstract
Purpose The Consortium of Student-Led Eye Clinics (CSLEC), founded in 2021, administered a comprehensive survey to document the types of services, most common diagnoses, and follow-up care protocols offered by student-led free vision screening programs (SLFVSP) in the United States. Methods An 81-question institutional review board (IRB)-approved survey was administered to student-led vision screening eye clinics from October 1, 2022 to February 24, 2023. Results Sixteen SLFVSPs were included in the final analysis, of which 81% (n = 13) conducted variations of fundoscopic examinations and 75% (n = 12) measured intraocular pressure. Cataracts and diabetic retinopathy were reported as the most frequent diagnoses by the majority of SLFVSPs (n = 9, 56%); non-mobile SLFVSPs more commonly reported cataract as a frequent diagnosis (P < 0.05). Most patients screened at participating programs were uninsured or met federal poverty guidelines. Prescription glasses were offered by 56% of the programs (n = 9). SLFVSPs that directly scheduled follow-up appointments reported higher attendance rates (66.5%) than those that only sent referrals (20%). Transportation was the most cited barrier for follow-up appointment attendance. Conclusions SLFVSPs, one community vision screening initiative subtype, vary significantly in scope and capabilities of identifying vision threatening disease. The follow-up infrastructure is not uniformly robust and represents a key target for improving care delivery to at-risk populations. Translational Relevance The CSLEC aims to develop a consensus-based standardization for the scope of screening services, offer guidelines for diagnostic criteria, promote real-time data stewardship, and identify means to improve follow-up care mechanisms in member communities.
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Affiliation(s)
- Nirupama Devanathan
- Department of Ophthalmology, Eugene and Marilyn Glick Eye Institute, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Melanie Scheive
- Department of Ophthalmology, Eugene and Marilyn Glick Eye Institute, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Baraa S. Nawash
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Amrish Selvam
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Alec Murphy
- University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - McKenna Morrow
- School of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Shruti Anant
- Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Nickolas Chen
- School of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Elizabeth A. Martin
- Department of Ophthalmology, Eugene and Marilyn Glick Eye Institute, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Jessica S. Kruger
- Department of Community Health and Health Behavior, University at Buffalo School of Public Health and Health Professions, Buffalo, NY, USA
| | - Chi-Wah Rudy Yung
- Department of Ophthalmology, Eugene and Marilyn Glick Eye Institute, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Thomas V. Johnson
- Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Onyiaorah AA, Kizor-Akaraiwe NN, Nwosu SNN. Pattern of eye diseases in adults at the general outpatient clinic of a Tertiary Hospital in Nigeria. Ann Afr Med 2022; 21:421-425. [PMID: 36412345 PMCID: PMC9850897 DOI: 10.4103/aam.aam_152_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objective To determine the pattern of eye diseases at the general outpatient department (GOPD) of a Nigerian tertiary hospital. Materials and Methods Patients selected by systematic random sampling at the GOPD of a Nigerian tertiary hospital were studied. Information on sociodemographics and ocular complaints were obtained using interviewer-administered questionnaire. Ocular examination included visual acuity measurement and anterior and posterior segments examinations. Data analysis was with Statistical Package for the Social Sciences. Results Three hundred and eighty-two patients, comprising 124 (32.5%) males and 258 (67.5%) females, aged between 18 and 86 years, mean 44.8 ± 15.4 years, were studied; 112 (29.3%) had eye diseases but only 88 (78.6%) patients complained of ocular disorder(s). Common complaints were poor vision 53 (60.4%), red eye and grittiness 15 (17.0%) each. Common eye diseases were lens 52 (13.6%) and conjunctiva 46 (12.0%) disorders. Attaining higher education was protective against eye diseases (P < 0.05). Conclusion Nearly a third of patients at the GOPD have eye diseases. Therefore, primary eye care should be integrated into the GOPD service with provision of relevant manpower and facilities for care of the ophthalmic patients.
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Affiliation(s)
- Adaora Amaoge Onyiaorah
- Department of Ophthalmology, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria,Department of Ophthalmology, Enugu State University of Science and Technology Teaching Hospital, Parklane, Enugu, Enugu State, Nigeria,Address for correspondence: Dr. Adaora Amaoge Onyiaorah, Department of Ophthalmology, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria. E-mail:
| | - Nkiru N. Kizor-Akaraiwe
- Department of Ophthalmology, Enugu State University of Science and Technology Teaching Hospital, Parklane, Enugu, Enugu State, Nigeria
| | - Sebastian N. N. Nwosu
- Department of Ophthalmology, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria
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Pinhole does not increase screening accuracy of detecting decreased best corrected visual acuity in schoolchildren. BMC Ophthalmol 2021; 21:416. [PMID: 34856946 PMCID: PMC8638540 DOI: 10.1186/s12886-021-02150-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 10/20/2021] [Indexed: 11/30/2022] Open
Abstract
Background Decreased best corrected visual acuity among children should be treated early in life, and vision screening in schoolchildren is an efficient and feasible selection for developing countries. Thus, the screening accuracy of different visual acuity tests is the key point for making vision screening strategies. The present study aims to explore the screening accuracy of uncorrected visual acuity (UCVA) and pin-hole corrected visual acuity (PCVA) using different vision chart in the detection of decreased best-corrected visual acuity (BCVA) among schoolchildren. Methods Grade one primary schoolchildren in urban Lhasa with data of UCVA using tumbling E chart (UCVAE), PCVA using tumbling E chart (PCVAE), UCVA using Lea Symbols chart (UCVAL), PCVA using Lea Symbols chart (PCVAL) and BCVA using Lea Symbols chart were reviewed. Decreased BCVA was defined as BCVA≤20/32(≥0.2 logMAR). Difference, reliability, and diagnostic parameters in the detection of decreased BCVA of different visual acuity results were analyzed. Results Overall, 1672 children aged 6.58 ± 0.44 years fulfilling the criteria. The prevalence of decreased BCVA was 6.8%. Although no significant differences were found between UCVAE vs UCVAL (p = .84, paired t-test) as well as PCVAE vs PCVAL (p = .24), the ICC between them was low (0.68 and 0.57, respectively). The average difference between BCVA and UCVAE, UCVAL, PCVAE, PCVAL was logMAR -0.08 (− 0.37, 0.21), − 0.08 (− 0.29, 0.17), − 0.05 (− 0.30, 0.19), − 0.06 (− 0.23, 0.12) using Bland–Altman method. The area under the receiver operating characteristic curve of UCVAE, PCVAE, UCVAL, PCVAL for the detection of decreased BCVA was 0.78 (0.73, 0.84), 0.76 (0.71, 0.82), 0.95 (0.94, 0.96), 0.93 (0.91, 0.95), respectively. Conclusion Pinhole does not increase the screening accuracy of detecting decreased BCVA in grade one primary schoolchildren. Visual acuity test using Lea Symbols is more efficient than Tumbling E in the screening of that age. Trial registration Data were maily from the Lhasa Childhood Eye Study which has finished the clinical registration on (ChiCTR1900026693).
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Kumar RS, Moe CA, Kumar D, Rackenchath MV, A. V. SD, Nagaraj S, Wittberg DM, Stamper RL, Keenan JD. Accuracy of autorefraction in an adult Indian population. PLoS One 2021; 16:e0251583. [PMID: 34010350 PMCID: PMC8133404 DOI: 10.1371/journal.pone.0251583] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/29/2021] [Indexed: 11/26/2022] Open
Abstract
Purpose Autorefractors allow non-specialists to quickly assess refractive error, and thus could be a useful component of large-scale vision screening programs. In order to better characterize the role of autorefraction for public health outreach programs in resource-limited settings, the diagnostic accuracy of two autorefractors was assessed relative to subjective refraction in an adult Indian population. Methods An optometrist refracted a series of patients aged ≥50 years at an eye clinic in Bangalore, India using the Nidek ARK-900 autorefractor first, followed by the 3nethra Royal autorefractor, and then subjective refraction. The diagnostic accuracy of each autorefractor for myopia, hyperopia, and astigmatism was assessed using subjective refraction as the reference standard, and measures of agreement between refractions were calculated. Results A total of 197 eyes in 104 individuals (mean age 63 ± 8 years, 52% female) were evaluated. Both autorefractors produced spherical equivalent estimates that were on average more hyperopic than subjective refraction, with a measurement bias of +0.16 D (95%CI +0.09 to +0.23D) for Nidek and +0.42 D (95%CI +0.28 to +0.54D) for 3nethra. When comparing pairs of measurements from autorefraction and subjective refraction, the limits of agreement were approximately ±1D for the Nidek autorefractor and ±1.75D for the 3Nethra autorefractor. The sensitivity and specificity of detecting ≥1 diopter of myopia were 94.6% (95%CI 86.8–100%) and 92.5% (95%CI 88.9–97.5%) for the Nidek, and 89.2% (95%CI 66.7–97.4) and 77.5% (95%CI 71.2–99.4%) for the 3Nethra. The accuracy of each autorefractor increased at greater levels of refractive error. Conclusions The sensitivity and specificity of the Nidek autorefractor for diagnosing refractive error among adults ≥50 years in an urban Indian clinic was sufficient for screening for visually significant refractive errors, although the relatively wide limits of agreement suggest that subjective refinement of the eyeglasses prescription would still be necessary.
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Affiliation(s)
- Rajesh S. Kumar
- Narayana Nethralaya Eye Hospital, Bangalore, India
- Cleveland Clinic Abu Dhabi, Abu Dhabi, UAE
| | - Caitlin A. Moe
- Francis I Proctor Foundation, University of California, San Francisco, San Francisco, CA, United States of America
| | - Deepak Kumar
- Narayana Nethralaya Eye Hospital, Bangalore, India
| | | | | | | | - Dionna M. Wittberg
- Francis I Proctor Foundation, University of California, San Francisco, San Francisco, CA, United States of America
| | - Robert L. Stamper
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA, United States of America
| | - Jeremy D. Keenan
- Francis I Proctor Foundation, University of California, San Francisco, San Francisco, CA, United States of America
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA, United States of America
- * E-mail:
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Marmamula S, Barrenkala NR, Challa R, Kumbam TR, Modepalli SB, Yellapragada R, Bhakki M, Khanna RC, Friedman DS. Uncorrected refractive errors for distance among the residents in 'homes for the aged' in South India-The Hyderabad Ocular Morbidity in Elderly Study (HOMES). Ophthalmic Physiol Opt 2020; 40:343-349. [PMID: 32207179 PMCID: PMC7277039 DOI: 10.1111/opo.12684] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 03/02/2020] [Indexed: 11/28/2022]
Abstract
PURPOSE To investigate the prevalence and risk factors of Uncorrected Refractive Errors (URE) for distance in elderly residents in 'homes for the aged' in Hyderabad, India. METHODS Individuals aged ≥60 years and residing in 'homes for the aged' in Hyderabad, India for a minimum of 1 month and providing consent for participation were recruited. All participants underwent visual acuity assessment, refraction, slit lamp biomicroscopy, intraocular pressure measurement, fundus examination, and retinal imaging. Monocular presenting visual acuity was recorded using a logMAR chart. Objective and subjective refraction were performed, and best-corrected visual acuity was recorded. URE was defined as presenting visual acuity worse than 6/12 but improving to 6/12 or better with refraction. Univariable and multivariable logistic regression analyses were used to assess the risk factors associated with URE. RESULTS In total, 1 513 elderly participants were enumerated from 41 homes of which 1 182 participants (78.1%) were examined. The mean age of participants was 75.0 years (standard deviation 8.8 years; range: 60-108 years). 35.4% of those examined were men and 20.3% had no formal education. The prevalence of URE was 13.5% (95% CI: 11.5-15.5; n = 159). On applying multiple logistic regression analysis, compared to those living in private homes, the odds of URE were significantly higher among the elderly living in the aided homes (OR: 1.65; 95% CI: 1.11-2.43) and free homes (OR: 1.67; 95% CI: 1.00-2.80). As compared to those who reported having an eye examination in the last 3 years, the odds of URE were higher among those who never had an eye examination in the last three years (OR: 1.51; 95% CI: 1.07-2.14). Similarly, those who had unilateral cataract surgery (OR: 1.80; 95% CI: 1.10-2.93) or bilateral cataract surgery (1.69; 95% CI: 1.10-2.56) had higher odds of URE compared to those elderly who were not operated for cataract. Gender, self-report of diabetes, and education were not associated with URE. CONCLUSIONS A large burden of URE was found among the residents in the 'homes for the aged' in Hyderabad, India which could be addressed with a pair of glasses. Over 40% of the residents never had an eye examination in the last three years, which indicates poor utilisation of eye care services by the elderly. Regular eye examinations and provision of spectacles are needed to address needless URE for distance among the elderly in residential care in India.
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Affiliation(s)
- Srinivas Marmamula
- Allen Foster Community Eye Health Research CentreGullapalli Pratibha Rao International Centre for Advancement of Rural Eye careL V Prasad Eye InstituteHyderabadIndia
- Brien Holden Institute of Optometry and Vision ScienceL V Prasad Eye InstituteHyderabadIndia
- Wellcome Trust/Department of Biotechnology India AllianceL V Prasad Eye InstituteHyderabadIndia
- School of Optometry and Vision ScienceUniversity of New South WalesSydneyAustralia
- Department of OphthalmologyMassachusetts Eye and EarHarvard Medical SchoolBostonUSA
| | - Navya Rekha Barrenkala
- Allen Foster Community Eye Health Research CentreGullapalli Pratibha Rao International Centre for Advancement of Rural Eye careL V Prasad Eye InstituteHyderabadIndia
- Brien Holden Institute of Optometry and Vision ScienceL V Prasad Eye InstituteHyderabadIndia
| | - Rajesh Challa
- Allen Foster Community Eye Health Research CentreGullapalli Pratibha Rao International Centre for Advancement of Rural Eye careL V Prasad Eye InstituteHyderabadIndia
- Brien Holden Institute of Optometry and Vision ScienceL V Prasad Eye InstituteHyderabadIndia
| | - Thirupathi Reddy Kumbam
- Allen Foster Community Eye Health Research CentreGullapalli Pratibha Rao International Centre for Advancement of Rural Eye careL V Prasad Eye InstituteHyderabadIndia
- Brien Holden Institute of Optometry and Vision ScienceL V Prasad Eye InstituteHyderabadIndia
| | - Satya Brahmanandam Modepalli
- Allen Foster Community Eye Health Research CentreGullapalli Pratibha Rao International Centre for Advancement of Rural Eye careL V Prasad Eye InstituteHyderabadIndia
- Brien Holden Institute of Optometry and Vision ScienceL V Prasad Eye InstituteHyderabadIndia
| | - Ratnakar Yellapragada
- Allen Foster Community Eye Health Research CentreGullapalli Pratibha Rao International Centre for Advancement of Rural Eye careL V Prasad Eye InstituteHyderabadIndia
- Brien Holden Institute of Optometry and Vision ScienceL V Prasad Eye InstituteHyderabadIndia
| | - Madhuri Bhakki
- Allen Foster Community Eye Health Research CentreGullapalli Pratibha Rao International Centre for Advancement of Rural Eye careL V Prasad Eye InstituteHyderabadIndia
- Brien Holden Institute of Optometry and Vision ScienceL V Prasad Eye InstituteHyderabadIndia
| | - Rohit C Khanna
- Allen Foster Community Eye Health Research CentreGullapalli Pratibha Rao International Centre for Advancement of Rural Eye careL V Prasad Eye InstituteHyderabadIndia
- School of Optometry and Vision ScienceUniversity of New South WalesSydneyAustralia
| | - David S Friedman
- Department of OphthalmologyMassachusetts Eye and EarHarvard Medical SchoolBostonUSA
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Sheeladevi S, Seelam B, Nukella PB, Borah RR, Ali R, Keay L. Prevalence of refractive errors, uncorrected refractive error, and presbyopia in adults in India: A systematic review. Indian J Ophthalmol 2019; 67:583-592. [PMID: 31007213 PMCID: PMC6498913 DOI: 10.4103/ijo.ijo_1235_18] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose: The objective of this review is to estimate the prevalence of refractive errors, uncorrected refractive error (URE), and uncorrected presbyopia in adults aged ≥30 years in India. Methods: The Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines were followed. A detailed literature search was performed to include all studies published from India from the year 1990 using the Cochrane Library, Medline, and Embase. Refractive error was defined by >0.50 D ametropia. URE was defined by presenting visual acuity (PVA) worse than 6/18 improving with pinhole or spectacle correction, and uncorrected presbyopia by near vision <N8 improving with correction in the absence of distance URE. Results: Fifteen studies were included from South India, one each from Western and Central India, and one study covered 15 states across India. The prevalence of RE of at least 0.50 D of spherical equivalent ametropia was 53.1% [(95% confidence interval (CI): 37.2–68.5), of which myopia and hyperopia was 27.7% and 22.9%, respectively. The prevalence of URE was 10.2% (95% CI: 6.9–14.8), but heterogeneity in these estimates was very high. The prevalence of uncorrected presbyopia was 33% (95% CI: 19.1–51.0). Conclusion: This review highlights the magnitude of refractive errors among adults in India. More studies are needed using standard methods in regions where there is a lack of information on UREs. Programs delivering spectacles for adults in India will need to primarily focus on reading glasses to correct presbyopia along with spectacles for hyperopia and myopia.
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Affiliation(s)
- Sethu Sheeladevi
- Division of Optometry and Visual Sciences, City University of London, London, UK
| | - Bharani Seelam
- Injury Division, The George Institute for Global Health; UNSW Sydney, Australia
| | | | | | | | - Lisa Keay
- Injury Division, The George Institute for Global Health; UNSW Sydney, Australia
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