Prevalence and causes of visual impairment among hearing impaired students in Lagos, Nigeria

Abikoye, Temiloluwa Moyosoreoluwa; Aribaba, Olufisayo Temitayo; Musa, Kareem Olatunbosun; Idowu, Oluwatobi O

doi:10.1016/j.ijporl.2020.110487

Cited by 5 publications

(7 citation statements)

References 15 publications

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“…Studies by Osiayuwu and Ebeigbe 33 , Onakpoya and Omotoye 34 , and Omolase et al, 36 reported that myopia was the commonest type of refractive error. In contrast, Abah et al, 35 and Majekodunmi et al, 37 reported hyperopia as the commonest while Ovenseri-Ogbomo et al, 37 and Abikoye et al, 38 found astigmatism as the commonest. A possible reason would be the use of different definitions and classification of refractive errors by the authors.…”

Section: Discussionmentioning

confidence: 91%

“…Majekodunmi et al study did not differentiate between the various kinds of hearing impairment among the learners. Furthermore, Abikoye et al, 38 stated in 2020 that their participants were split evenly between 51.4% men and 48.6% females. The kinds of hearing impairment were not classified in the research.…”

Section: Resultsmentioning

confidence: 99%

“…Also, poor level of eye care service utilization, which results from inadequate funds, late presentation and lack of an escort to health facilities among parents/guardians of these learners may contribute to the high prevalence. 34 , 38 , 46 Eye health education and promotion will improve the uptake of eye care utilization, which will reduce the prevalence among learners with hearing impairment.…”

Section: Discussionmentioning

confidence: 99%

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Prevalence and causes of visual impairment amongst hearing impaired school-going children in sub-Saharan Africa: a scoping review

Kwarteng¹,

Mashige²,

Kyei³

et al. 2022

Afr H. Sci.

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Background: Learners living with hearing impairment are at a higher risk of visual impairment. Purpose: To summarise relevant literature investigating the prevalence and causes of visual impairment amongst learners living with hearing impairment in sub-Saharan Africa. Methods: A search of nine databases and the reference lists of retrieved studies were conducted using the standard methodology for scoping reviews as described in the PRISMA statement. The databases were MEDLINE, PubMed, EMBASE, the Cochrane Library, Global Health, OVID, Google Scholar, Web of Science, and Science Direct. A scoping review of articles published in the English language from 2000 to 2020 was conducted while considering the study design, sub-Saharan Africa, and school for the deaf. Descriptive statistics was used to analyse the data. Results: The initial search retrieved eight studies, seven of which met the set inclusion criteria. All seven studies included employed a cross-sectional design. The prevalence of visual impairment ranged from 2.2-34.6% with the major cause being uncorrected refractive error (7.9-73.26%). The most common type of refractive error was myopia (42.2%) followed by hyperopia (28.6%) and astigmatism (28.6%). Conclusion: This review has demonstrated that there is a paucity of high-quality and well-designed studies that have investigated the prevalence and causes of visual impairment amongst hearing-impaired children in sub-Saharan Africa suggesting the need for further research in this area. Keywords: Visual impairment; prevalence; Africa; hearing impairment; ocular morbidity.

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Section: Discussionmentioning

confidence: 91%

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Prevalence and causes of visual impairment amongst hearing impaired school-going children in sub-Saharan Africa: a scoping review

Kwarteng¹,

Mashige²,

Kyei³

et al. 2022

Afr H. Sci.

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“…Although the national prevalence of VI and blindness survey recorded the lowest prevalence of VI and blindness in Southwestern Nigeria, there is still a paucity of literature on studies reporting VI and blindness estimates in the southwestern part of Nigeria. No study has been done to determine the distribution and causes of VI and blindness in Lagos, even though Lagos is the most populous city in Africa, with a population of over 21 million [ 16 ]. This study aims to ascertain the distribution and causes of VI and blindness among patients that visited the Nigeria Army Eye Centre, Lagos.…”

Section: Introductionmentioning

confidence: 99%

Visual Impairment and Blindness among Patients at Nigeria Army Eye Centre, Bonny Cantonment Lagos, Nigeria

Ezinne

Shittu²,

Ekemiri³

et al. 2022

Healthcare

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Background: Visual impairment (VI) is a public health problem that can affect an individual’s social wellbeing. The study aims to determine the distribution and causes of vision impairment (VI) and blindness among patients at Nigerian Army Eye Centre Lagos, Nigeria. Method: An institutional cross-sectional study was conducted, and a systematic random sampling technique was used to enrol study participants from their medical records. Information about their demography, presenting visual acuity (VA), best corrected visual acuity and cause of VI and blindness, were retrieved. Result: A total of five hundred (500) medical records of patients aged from 4 to 96 years, with a mean age of 54.07 ± 21.43 years, were considered for the study. Among the participants, more than half were males (51.2%) and ≥60 years (53.0%). A large (47.2%) proportion of the patients had moderate VI at the time of presentation, followed by blindness (22.0%). The major cause of blindness was cataract, while glaucoma and refractive error were the major causes of VI. Blindness and VI were significantly associated with the type of VI before and after the provision of intervention (p < 0.05) across different age groups (children, youths, adults, elderly) with an adjusted p < 0.003 after an intervention. Conclusions: Cataracts, glaucoma and uncorrected refractive error (URE) were the major causes of VI and blindness in Lagos State. VI was more prevalent in males than females; however, there was no significant difference between the two proportions. The prevalence of VI among age groups was more significant for those 60 years and above. Early screening for the detection and management of cataract, URE and glaucoma is highly advised to reduce the burden of VI.

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“…However, the finding of this study was higher than the prevalence reported in Ghana 5.8% [ 36 ], Nigeria (5.02%) [ 37 ], (3.5%) [ 38 ], USA (7.5%) [ 39 ], Malaysia (8.9%) [ 40 ] and china (2.7%) [ 41 ]. But lower than the finding of the study in Gondar 26.8% [ 18 ], Debre Berhan (16.8%) [ 42 ], Nigeria 19% [ 43 ], Egypt (23.9%) [ 44 ], Zimbabwe 56.8% [ 45 ], Pakistan (26.7%) [ 46 ], United Arab Emirates and Lebanon (18.3%) [ 47 ] and England (17%) [ 48 ]. The possible reasons for this difference might be due to the difference in the study population, sample size, variation in geographical area, ethnicity.…”

Section: Discussionmentioning

confidence: 84%

Visual impairment and its associated factors among medical and health sciences students at the University of Gondar, Northwest Ethiopia

et al. 2021

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Background Visual impairment (VI) is a decreased ability to see things which is critical problem for health professionals and students to whom normal vision is essential for their daily activity. If it is not timely managed, visual impairment leads to physical, psychological, and socio-economic malfunctions to the victims and nation. Despite the above impacts, currently there is no study in Ethiopia on this topic. Therefore, this study aimed to determine the prevalence of visual impairment and its associated factors among Medical and Health Science students at the University of Gondar. Methods A cross-sectional study was conducted from January to March 2020 among Medical and Health Science students. After recruiting study participants using systematic random sampling technique, we applied pre-tested self-administered questionnaire for sociodemographic variables and also visual acuity measurement was performed using Snellen chart placed at a distance of 6 meters. Visual acuity tested separately for each eye and for both eyes in a well- illuminated area. Pinhole was used for those participants with a visual acuity of < 6/9. Participants with a presenting visual acuity of < 6/12 in the better eye were diagnosed as having visual impairment. Epi data version 3.1 and stata version 14 were used for data entry and statistical analysis, respectively. Binary logistic regression was used, and the Adjusted Odds Ratio (AOR) with the 95% Confidence Interval (CI) was reported to declare the statistical significance and strength of association between VI and independent variables. Results A total of 654 students were screened for visual acuity. The prevalence of visual impairment was 12.5% (95% CI: 10.21, 15.31). Age above 25 years (AOR = 1.8; 95% CI: 1.02, 3.26) and current alcohol drinking (AOR = 2.9; 95% CI: 1.7, 5.00), were statistically significant factors of visual impairment. Conclusion The prevalence of visual impairment among medical and health science students was high. Age of study participant and current alcohol consumption were statically significant factors. This study warrants the routine screening of Medical and Health science students for visual impairment.

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Prevalence and causes of visual impairment among hearing impaired students in Lagos, Nigeria

Cited by 5 publications

References 15 publications

Prevalence and causes of visual impairment amongst hearing impaired school-going children in sub-Saharan Africa: a scoping review

Prevalence and causes of visual impairment amongst hearing impaired school-going children in sub-Saharan Africa: a scoping review

Visual Impairment and Blindness among Patients at Nigeria Army Eye Centre, Bonny Cantonment Lagos, Nigeria

Visual impairment and its associated factors among medical and health sciences students at the University of Gondar, Northwest Ethiopia

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