Visual Impairment and Refractive Error Among Deaf and Hard of Hearing Learners in Ghana
Introduction This study aims to assess the prevalence of visual impairment and refractive error among learners who are deaf or hard of hearing in schools for Deaf students in Ghana. Methods A descriptive cross-sectional study design was used to assess the distance visual acuity with the logMAR “E” c...
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Veröffentlicht in: | Journal of visual impairment & blindness 2024-09, Vol.118 (5), p.336-348 |
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Sprache: | eng |
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Zusammenfassung: | Introduction
This study aims to assess the prevalence of visual impairment and refractive error among learners who are deaf or hard of hearing in schools for Deaf students in Ghana.
Methods
A descriptive cross-sectional study design was used to assess the distance visual acuity with the logMAR “E” chart, and ocular health was assessed with an ophthalmoscope and handheld slit lamp with a 90 D lens.
Results
A total of 1,914 learners were examined in six schools for Deaf students in Ghana. Their ages ranged from 5 to 43 years (M = 15.18 ± 4.53 years). There were more males (55.5%) than females (44.5%) in the study. Among the learners, 91.1% were deaf, followed by mild hard of hearing (4.0%) and profound hard of hearing (1.8%), among others. Also, 94.8% of the learners had typical vision, followed by moderate visual impairment (2.5%), mild visual impairment (1.4%), and blindness (1.3%) before the provision of spectacles. There was no association between visual impairment (i.e., blindness and visual impairment) and sex among the learners (p |
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ISSN: | 0145-482X 1559-1476 |
DOI: | 10.1177/0145482X241287544 |