title: [An epidemiological study on senile cataract in urban and rural areas of Chengdu].
abstract: OBJECTIVE
  To find out the status and distribution characteristics of senile cataract, which is one of the common disease affecting the quality of life of the elderly people.
  
  
  METHODS
  One thousand and sixteen people aged 60 or more in the urban and rural areas of Chengdu were included by cluster random sampling and investigated by questionnaire method and medical examination.
  
  
  RESULTS
  It was found that the prevalence of senile cataract was 52.3% in urban area and 51.3% in rural area. The prevalence was higher in women than in men, and it increased with age. The prevalence of senile cataract by past diagnosis was lower than that by present medical examination; this difference was found obvious in the rural area.
  
  
  CONCLUSIONS
  The prevention and treatment of senile cataract should be strengthened.
authors.affiliation: Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, China.
authors.forename: Chunling
authors.initials: C
authors.lastname: Liu
authors.forename: Chuan
authors.initials: C
authors.lastname: Hou
authors.forename: Yi
authors.initials: Y
authors.lastname: Liu
authors.forename: Rongsheng
authors.initials: R
authors.lastname: Luan
authors.forename: Mi
authors.initials: M
authors.lastname: Yan
authors.forename: Jingsi
authors.initials: J
authors.lastname: Wang
authors.forename: Youping
authors.initials: Y
authors.lastname: Li
authors.forename: Donglei
authors.initials: D
authors.lastname: Liu
authors.forename: Jianhua
authors.initials: J
authors.lastname: Huang
authors.forename: Tiande
authors.initials: T
authors.lastname: Zhang
mesh_terms: D000368:Aged; D002386:Cataract / Q000453:epidemiology*; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D011897:Random Allocation; D012494:Sampling Studies; D012737:Sex Factors