<style face="normal" font="default" size="100%">What is the appropriate age range of individuals to be included in a survey to estimate the prevalence of trachomatous trichiasis?</style>

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0<style face="normal" font="default" size="100%">What is the appropriate age range of individuals to be included in a survey to estimate the prevalence of trachomatous trichiasis?</style><style face="normal" font="default" size="100%">What is the appropriate age range of individuals to be included in a survey to estimate the prevalence of trachomatous trichiasis?</style>