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Visual function and vision-related quality of life in presbyopic adult population of Northwestern Nigeria

PURPOSE: To determine the impact of uncorrected presbyopia on vision-related quality of life (QoL) and visual function (VF) among adults 40 years and older in Bungudu local government area (LGA) of Zamfara State, Nigeria. MATERIALS AND METHODS: A population-based cross-sectional study in Bungudu LGA...

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Autores principales: Muhammad, Nasiru, Alhassan, Mahmoud B., Umar, Murtala M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Medknow Publications & Media Pvt Ltd 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4698845/
https://www.ncbi.nlm.nih.gov/pubmed/26778881
http://dx.doi.org/10.4103/0300-1652.170379
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author Muhammad, Nasiru
Alhassan, Mahmoud B.
Umar, Murtala M.
author_facet Muhammad, Nasiru
Alhassan, Mahmoud B.
Umar, Murtala M.
author_sort Muhammad, Nasiru
collection PubMed
description PURPOSE: To determine the impact of uncorrected presbyopia on vision-related quality of life (QoL) and visual function (VF) among adults 40 years and older in Bungudu local government area (LGA) of Zamfara State, Nigeria. MATERIALS AND METHODS: A population-based cross-sectional study in Bungudu LGA of Zamfara State Nigeria was conducted in 2012. Six-hundred and fifty persons at least 40 years of age were examined using a two-stage cluster random sampling-based on probability proportional to size. Presbyopia was defined as the inability to read N8 at 40 cm in an indoor illumination using LogMAR E-chart. Demographic information comprising of age, sex, occupation, and educational level among others was obtained from a pilot tested VF-14 and modified vision-related QoL questionnaire by trained interviewer. RESULTS: Out Of the 650 subjects enumerated 635 were examined given a response rate of 97.7%. The mean age of participants was 53.59 years (95% confidence interval:52.75%-54.43%). The crude prevalence of presbyopia was 30.4%, (95% CI: 26.8%-34.1%). The mean VF score of persons with presbyopia was 85.09, (95% CI: 83.09%-87.09%) and being female was strongly associated with high VF scores (P = 0.003). The VFs most impaired were the ability to read, write, use mobile phones, and thread needles. The higher the degree of presbyopia the lower the mean VF score (P = 0.00). CONCLUSION: Uncorrected presbyopia is associated with functional visual impairment and reduce QoL especially in the ability to read, write, and usage of mobile cell phones among adults 40 years and older in Bungudu District.
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spelling pubmed-46988452016-01-15 Visual function and vision-related quality of life in presbyopic adult population of Northwestern Nigeria Muhammad, Nasiru Alhassan, Mahmoud B. Umar, Murtala M. Niger Med J Original Article PURPOSE: To determine the impact of uncorrected presbyopia on vision-related quality of life (QoL) and visual function (VF) among adults 40 years and older in Bungudu local government area (LGA) of Zamfara State, Nigeria. MATERIALS AND METHODS: A population-based cross-sectional study in Bungudu LGA of Zamfara State Nigeria was conducted in 2012. Six-hundred and fifty persons at least 40 years of age were examined using a two-stage cluster random sampling-based on probability proportional to size. Presbyopia was defined as the inability to read N8 at 40 cm in an indoor illumination using LogMAR E-chart. Demographic information comprising of age, sex, occupation, and educational level among others was obtained from a pilot tested VF-14 and modified vision-related QoL questionnaire by trained interviewer. RESULTS: Out Of the 650 subjects enumerated 635 were examined given a response rate of 97.7%. The mean age of participants was 53.59 years (95% confidence interval:52.75%-54.43%). The crude prevalence of presbyopia was 30.4%, (95% CI: 26.8%-34.1%). The mean VF score of persons with presbyopia was 85.09, (95% CI: 83.09%-87.09%) and being female was strongly associated with high VF scores (P = 0.003). The VFs most impaired were the ability to read, write, use mobile phones, and thread needles. The higher the degree of presbyopia the lower the mean VF score (P = 0.00). CONCLUSION: Uncorrected presbyopia is associated with functional visual impairment and reduce QoL especially in the ability to read, write, and usage of mobile cell phones among adults 40 years and older in Bungudu District. Medknow Publications & Media Pvt Ltd 2015 /pmc/articles/PMC4698845/ /pubmed/26778881 http://dx.doi.org/10.4103/0300-1652.170379 Text en Copyright: © 2015 Nigerian Medical Journal http://creativecommons.org/licenses/by-nc-sa/3.0 This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.
spellingShingle Original Article
Muhammad, Nasiru
Alhassan, Mahmoud B.
Umar, Murtala M.
Visual function and vision-related quality of life in presbyopic adult population of Northwestern Nigeria
title Visual function and vision-related quality of life in presbyopic adult population of Northwestern Nigeria
title_full Visual function and vision-related quality of life in presbyopic adult population of Northwestern Nigeria
title_fullStr Visual function and vision-related quality of life in presbyopic adult population of Northwestern Nigeria
title_full_unstemmed Visual function and vision-related quality of life in presbyopic adult population of Northwestern Nigeria
title_short Visual function and vision-related quality of life in presbyopic adult population of Northwestern Nigeria
title_sort visual function and vision-related quality of life in presbyopic adult population of northwestern nigeria
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4698845/
https://www.ncbi.nlm.nih.gov/pubmed/26778881
http://dx.doi.org/10.4103/0300-1652.170379
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