School of Health Technology

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Browsing School of Health Technology by Author "Esenwah, E."

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    Visual acuity and imparment among hypertensive adults in Okagwe Ohafia, Abia State, Nigeria
    (U. P., 2011) Azuamah, Y. C.; Amadi, A. N.; Esenwah, E.; Amadi, C. O. A.; Azuamah, E. C.
    The objective of this study is to determine the level of reduction in visual acuity and visual impairment arising from ocular diseases among adults with hypertension. A community based study was conducted in a rural community in Abia State, Nigeria. A total of 213 subjects were screened for ocular diseases and impairments. Eighty seven (40.8%) males and 126 (59.2%) females were used for the study. The demographic data of the participants were taken. Furthermore, the arterial blood pressure was measured using the KODEA electronic sphygmomanometer. The case history of those who participated in the study, the visual acuity and other ocular examinations were taken. Out of the 213 subjects used for this study, 117 subjects had high blood pressure comprising of 54 (46.2%) males and 63 (53.8%) females. The visual acuity of both right and left eyes of the subjects with hypertension revealed a poor or absent visual acuity of 6/60 or less was seen in 58% of the male subjects and 53.9% of the female subjects. The major causes of visual impairment in this population were attributed to cataract and glaucoma which was present in 37.6% and 32.8% of the subjects respectively. Other associated factors of visual impairment recorded were hypertensive retinopathy, optic neuropathy, macular degeneration and diabetic retinopathy.