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  1. The epidemiology of trachoma in rural Kenya : variation in prevalence with lifestyle and environment.

    Article - En anglais

    A goal of the surveys was to determine the overall geographic distribution and severity of trachoma throughout Kenya.

    Methods 

    Using a random cluster household sampling technique, 13,803 people of all ages and of diverse cultural and ethnic backgrounds were identified in eight regions of Kenya.

    A detailed examination for active and inactive trachoma was carried out on each person surveyed as part of the general ocular examination.

    Results 

    The prevalence rate of visual loss (<20/60) due to trachoma in the better eye was 7.2/1000.

    Active trachoma was present in 19% of all persons examined, and 50% of all those with trachoma were found to have moderate to severe inflammation.

    Prevalence varied according to survey region from less than 1% in four regions where agriculture is the economic base, to 57% and 63% in two arid pastoral regions.

    Trachoma prevalence varied from 28% in children younger than 3 years of age to 11% in persons older than 60 years of age.

    Potentially blinding eyelid deformities secondary to chronic trachoma occurred in 5.0% of the rural population, and 1.2% of the rural population displayed associated corneal scarring.

    Lid scarring, corneal scarring, and lid deformities were greater in prevalence among females of all age groups when compared with males.

    Mots-clés Pascal : Trachome, Chlamydiose, Bactériose, Infection, Kenya, Afrique, Prévalence, Cécité, Morbidité, Variation géographique, Indice gravité, Epidémiologie, Homme, Oeil pathologie, Conjonctive pathologie, Trouble vision

    Mots-clés Pascal anglais : Trachoma, Chlamydiosis, Bacteriosis, Infection, Kenya, Africa, Prevalence, Blindness, Morbidity, Geographical variation, Severity score, Epidemiology, Human, Eye disease, Conjunctiva disease, Vision disorder

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 95-0341282

    Code Inist : 002B05B02A. Création : 01/03/1996.