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Prevalence of congenital colour vision deficiency among secondary school students in Ibadan, South-West Nigeria.
Ugalahi, Mary Ogbenyi; Fasina, Oluyemi; Ogun, Olufunmilola A; Ajayi, Benedictus G K.
Afiliación
  • Ugalahi MO; Department of Ophthalmology, University College Hospital, Ibadan, Oyo, Nigeria.
  • Fasina O; Department of Ophthalmology, University of Ibadan, University College Hospital, Ibadan, Oyo, Nigeria.
  • Ogun OA; Department of Ophthalmology, University of Ibadan, University College Hospital, Ibadan, Oyo, Nigeria.
  • Ajayi BG; Ojulowo Eye Centre, Ibadan, Oyo, Nigeria.
Niger Postgrad Med J ; 23(2): 93-6, 2016.
Article en En | MEDLINE | ID: mdl-27424620
AIM: The aim was to determine the prevalence and pattern of congenital colour vision deficiency among secondary school students in Ibadan, Nigeria. SUBJECTS AND METHODS: A descriptive cross-sectional study was conducted among students from three public secondary schools through a multi-staged sampling method. Ocular examination including visual acuity assessment and colour vision test with the Ishihara plate was performed for all students. Further assessment with the Farnsworth-Munsell D-15 panel was performed for those who failed the Ishihara test. RESULTS: One thousand six hundred and thirty-five students participated in the study. There were 769 (47.0%) males with mean age of 13.9 ± 1.9 years. The overall prevalence of congenital colour vision deficiency was 2.3% with prevalence of 3.8% and 0.9% in males and females, respectively, which was statistically significant (P = 0.00112), and equal proportion of deutans 11 (32.0%) and protans 12 (35.0%) ratio of 1:1.1. CONCLUSION: The prevalence of congenital colour vision deficiency among public secondary school students in Ibadan is comparable to findings in other parts of the country.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Defectos de la Visión Cromática Tipo de estudio: Observational_studies / Prevalence_studies / Risk_factors_studies Límite: Adolescent / Child / Female / Humans / Male País/Región como asunto: Africa Idioma: En Revista: Niger Postgrad Med J Asunto de la revista: MEDICINA Año: 2016 Tipo del documento: Article País de afiliación: Nigeria Pais de publicación: Nigeria
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Defectos de la Visión Cromática Tipo de estudio: Observational_studies / Prevalence_studies / Risk_factors_studies Límite: Adolescent / Child / Female / Humans / Male País/Región como asunto: Africa Idioma: En Revista: Niger Postgrad Med J Asunto de la revista: MEDICINA Año: 2016 Tipo del documento: Article País de afiliación: Nigeria Pais de publicación: Nigeria