[Epidemiologic study of conjunctivochalasis in populations equal or over 60 years old in Caoyangxincun community of Shanghai, China].

Objective: To investigate the prevalence and relative factors of conjunctivochalasis among people over 60 years old in Caoyangxincun community of Shanghai.

Methods: A cross-sectional study based on local residents in this community was carried out from September 2008 to October 2008. Cluster sampling was used in randomly selecting individuals aged > or = 60 years.