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      Awareness and knowledge of glaucoma and associated factors among adults: a cross sectional study in Gondar Town, Northwest Ethiopia

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          Abstract

          Background

          Raising public awareness and knowledge about glaucoma is a key for early case identification and prevention of blindness. However, awareness and knowledge about glaucoma is unknown at community level, making provision of interventions difficult. This study was intended to assess the awareness and knowledge of adults about glaucoma and the factors affecting it in Gondar town, Northwest Ethiopia.

          Methods

          Community based cross - sectional study was conducted on 701 adults 35 and above years in Gondar from April 12–30, 2016. Multistage sampling technique was used to select study participants. Interviewer administered pretested structured questionnaire was used to collect data after verbal informed consent. Data were entered into EpiData version 3.1 and analyzed by Statistical Package for Social Sciences version 20. Bivariate and multivariate logistic regression models and Odds ratio with 95% interval were used to identify factors. P–value <0.05 was considered statistically significant.

          Results

          Seven hundred one adults age 35 and above years were participated with a response rate of 99.3%. The male to female ratio was 1:1.6 with median age of 48 years with interqurtile range of 20. The proportion of awareness was 35.1% (95% CI: 31.5%, 38.6%). Good knowledge was demonstrated in 49.6% (95%CI: 43.3%, 55%) of glaucoma aware participants. Education (primary [AOR: 3.21; 1.73, 5.95], secondary [AOR: 4.34; 2.30, 8.22]; college and above [AOR: 9.82; 4.27, 22.60]) and having eye examination [AOR: 2.78; 1.86, 4.15] were positively associated with awareness of glaucoma whereas older age (65 –74 years [AOR: 0.31(0.21, 0.76]) was inversely related. Level of Education (primary[AOR:2.83;1.04,7.71],secondary[AOR:3.45;1.33,9.41],college and above [AOR: 4.86;1.82,12,99] and having eye examination [AOR: 2.61;1.53,4.45] were significantly associated with knowledge.

          Conclusion

          The study has indicated higher level of awareness and knowledge about glaucoma in urban communities than previous studies. It has also identified educational status, eye examination at least once in life are related with better awareness and knowledge. The present awareness and knowledge should be enhanced through public oriented glaucoma education via mass media and incorporating eye check up as a routine in older people.

          Electronic supplementary material

          The online version of this article (doi:10.1186/s12886-017-0542-z) contains supplementary material, which is available to authorized users.

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          Most cited references54

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          The impact of Vision 2020 on global blindness.

          Recent data suggest that there are 37 million blind people and 124 million with low vision, excluding those with uncorrected refractive errors. The main causes of global blindness are cataract, glaucoma, corneal scarring (from a variety of causes), age-related macular degeneration, and diabetic retinopathy. It would appear that the global Vision 2020 initiative is having an impact to reduce avoidable blindness particularly from ocular infections, but more needs to be done to address cataract, glaucoma, and diabetic retinopathy.
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            The genetics of primary open-angle glaucoma: a review.

            Glaucoma is the major cause of irreversible blindness worldwide. Primary open-angle glaucoma (POAG), as the most prevalent form of glaucoma, is a complex inherited disorder and affects more than 2 million individuals in the United States. It has become increasingly clear that a host of genetic as well as environmental factors are likely to contribute to the phenotype. A number of chromosomal and genetic associations have been reported for POAG. This review examines what is currently known about the underlying genetic structure, what remains to be learned, and how this may affect our medical management of this major blinding disease.
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              The relationship between visual field loss in glaucoma and health-related quality-of-life.

              to investigate the relationship between visual field loss and health-related quality-of-life (HRQOL) in patients with ocular hypertension (OHT) or primary open-angle glaucoma (POAG). we conducted a cross-sectional study among 537 OHT and POAG patients from seven hospitals in The Netherlands. Clinical information was obtained from medical files. Patients completed a questionnaire, containing generic HRQOL instruments (EQ-5D and Health Utilities Index mark 3), vision-specific National Eye Institute Visual Functioning Questionnaire (VFQ-25), and glaucoma-specific Glaucoma Quality-of-Life questionnaire (GQL-15). The impact of visual field loss on HRQOL scores was analysed with multiple linear regression analyses. a relationship between mean deviation (MD) and HRQOL was found after adjusting for age, gender, visual acuity, medication side effects, laser trabeculoplasty, and glaucoma surgery. We found interaction between MD in both eyes for GQL and VFQ-25 scores. The relationship between MD and utility was non-linear, with utility only affected at MD-values below -25 dB in the better eye. Visual acuity, side effects, and glaucoma surgery independently affected HRQOL. Binocular MD and MD in the better eye had similar impacts on HRQOL, whereas MD in the worse eye had an independent effect. HRQOL was affected more by binocular defects in the inferior than in the superior hemifield. visual field loss in progressing glaucoma is independently associated with a loss in both disease-specific and generic quality-of-life. It is important to prevent progression, both in early and in advanced glaucoma, especially in patients with inferior hemifield defects and severe defects in either eye.
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                Author and article information

                Contributors
                +251-918-0322 , destayest@gmail.com
                alexkd2003@gmail.com
                kbromu@gmail.com
                Journal
                BMC Ophthalmol
                BMC Ophthalmol
                BMC Ophthalmology
                BioMed Central (London )
                1471-2415
                24 August 2017
                24 August 2017
                2017
                : 17
                : 154
                Affiliations
                ISNI 0000 0000 8539 4635, GRID grid.59547.3a, Department of Optometry, College of Medicine and Health Sciences, , University of Gondar, ; P.O. BOX: 196 Gondar, Ethiopia
                Article
                542
                10.1186/s12886-017-0542-z
                5571668
                28836945
                7beaa674-9e8e-488a-92c1-ca87231d5c93
                © The Author(s). 2017

                Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

                History
                : 25 July 2016
                : 8 August 2017
                Funding
                Funded by: University of Gondar (ET)
                Categories
                Research Article
                Custom metadata
                © The Author(s) 2017

                Ophthalmology & Optometry
                awareness,glaucoma,knowledge,gondar,ethiopia
                Ophthalmology & Optometry
                awareness, glaucoma, knowledge, gondar, ethiopia

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