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TSK Koruyucu Hekimlik Bülteni
TAF Preventive Medicine Bulletin
Periodical of Gulhane Medical Faculty Dpt. of Public Health
Journal Home Page
ISSN: 1303-734X (Print)
Language: [ Turkish ]   [ English ]  

  » Volume 12, Issue 2
      pp. 121-218
  » Volume 12, Issue 1
      pp. 1-118

 

Open Access

Original Research



Prevalence and Causes of Blindness and Visual Impairment in Plateau State, Nigeria

Caleb Mpyet, Perpetua Odugbo, Olukorede Adenuga, Lohdip Velle, Amos Nyonkyes.

A B S T R A C T 

Abstract
AIM: to assess the prevalence and causes of blindness and visual impairment in persons 50 years and above in Plateau state
METHOD: seventy clusters of 60 persons 50 years and above were selected by probability proportional to size. Households were selected by the random walk method and all persons eligible in the household had their eyes examined. Visual acuity was assessed with the Snellen chart and all persons with visual acuity less than 6/18 in any eye had the eye examined to determine the major cause of blindness/visual impairment.
RESULTS: 4115 persons (98% response rate) were examined. Bilateral blindness prevalence was 4.2% (95% CI: 4.1-4.3). The prevalence of severe visual impairment was 6.7% (95% CI: 6.5-6.9) while that for visual impairment was 15.8% (95% CI: 15.3-16.3). 80% of the causes of blindness, 83% of the causes of severe visual impairment and 88% of the causes of visual impairment were avoidable with cataract, uncorrected Aphakia and refractive errors being the major causes.
CONCLUSION: the prevalence of blindness and visual impairment are high and most of the causes are avoidable. There is a need to develop an eye care plan including cataract surgery and refraction services to reduce the causes of blindness and visual impairment.

Key words: Blindness, Visual Impairment, Trachoma



Nijerya’nın Plateau Eyaletinde Körlük ve Görme Kaybı Sıklığı ve Nedenleri

Özet
AMAÇ: Plateau eyaletinde yaşayan 50 yaş üstü kişilerde körlük ve görme kaybı sıklıkları ve nedenleri incelenmesi amaçlanmıştır.
YÖNTEM: 50 yaş ve üstü 60’ar kişiden oluşan yetmiş küme olasılık büyüklüğüne orantılı olarak seçilmiştir. Hane halkı, rasgele yürüyüş yöntemi ile seçilmiş ve uygun olanların göz muayeneleri gerçekleştirilmiştir.
BULGULAR: 4115 (%98) kişi muayene edilmiştir. Bilateral körlük sıklığı 4.2% (95% CI: 4.1-4.3), görme kaybı sıklığı 15.8% (95% CI: 15.3-16.3), Ciddi görme kaybı sıklığı ise 6,7% (95% CI: 6.5-6.9) olarak bulunmuştur. Saptanan körlüklerin %80’i, görme kayıplarının %88’i, ciddi görme kayıplarının %83’ü, katarakt, düzeltilmemiş afaki ve kırma kusurlarına bağlı olduğu saptanmıştır.
SONUÇ: Körlük ve görme bozukluklarının yaygınlığı yüksektir ve çoğu önlenebilir nedenlerden kaynaklanmaktadır. Körlük ve görsel kayıpları azaltmak için katarakt cerrahisi ve kırma kusuru hizmetlerini içeren bir göz bakım planı geliştirilmelidir.

Anahtar Kelimeler: Körlük, Görme Kaybı, Trahom


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How to Cite this Article
Pubmed Style

Mpyet C, Odugbo P, Adenuga O, Velle L, Nyonkyes A. Prevalence and Causes of Blindness and Visual Impairment in Plateau State, Nigeria . TAF Prev Med Bull. 2010; 9(5): 401-406.



Web Style

Mpyet C, Odugbo P, Adenuga O, Velle L, Nyonkyes A. Prevalence and Causes of Blindness and Visual Impairment in Plateau State, Nigeria . www.scopemed.org/?mno=1854 [Access: May 20, 2013].



AMA (American Medical Association) Style

Mpyet C, Odugbo P, Adenuga O, Velle L, Nyonkyes A. Prevalence and Causes of Blindness and Visual Impairment in Plateau State, Nigeria . TAF Prev Med Bull. 2010; 9(5): 401-406.



Vancouver/ICMJE Style

Mpyet C, Odugbo P, Adenuga O, Velle L, Nyonkyes A. Prevalence and Causes of Blindness and Visual Impairment in Plateau State, Nigeria . TAF Prev Med Bull. (2010), [cited May 20, 2013]; 9(5): 401-406.



Harvard Style

Mpyet, C., Odugbo, P., Adenuga, O., Velle, L. & Nyonkyes, A. (2010) Prevalence and Causes of Blindness and Visual Impairment in Plateau State, Nigeria . TAF Prev Med Bull, 9 (5), 401-406.



Turabian Style

Mpyet, Caleb, Perpetua Odugbo, Olukorede Adenuga, Lohdip Velle, and Amos Nyonkyes. 2010. Prevalence and Causes of Blindness and Visual Impairment in Plateau State, Nigeria . TAF Preventive Medicine Bulletin, 9 (5), 401-406.



Chicago Style

Mpyet, Caleb, Perpetua Odugbo, Olukorede Adenuga, Lohdip Velle, and Amos Nyonkyes. "Prevalence and Causes of Blindness and Visual Impairment in Plateau State, Nigeria ." TAF Preventive Medicine Bulletin 9 (2010), 401-406.



MLA (The Modern Language Association) Style

Mpyet, Caleb, Perpetua Odugbo, Olukorede Adenuga, Lohdip Velle, and Amos Nyonkyes. "Prevalence and Causes of Blindness and Visual Impairment in Plateau State, Nigeria ." TAF Preventive Medicine Bulletin 9.5 (2010), 401-406. Print.



APA (American Psychological Association) Style

Mpyet, C., Odugbo, P., Adenuga, O., Velle, L. & Nyonkyes, A. (2010) Prevalence and Causes of Blindness and Visual Impairment in Plateau State, Nigeria . TAF Preventive Medicine Bulletin, 9 (5), 401-406.




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